2006 Atlantic hurricane season

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2006 Atlantic hurricane season
2006 Atlantic hurricane season summary map.png
Season summary map
Seasonal boundaries
First system formedJune 10, 2006
Last system dissipatedOctober 2, 2006
Strongest storm
Name Gordon and Helene
 • Maximum winds120 mph (195 km/h)
(1-minute sustained)
 • Lowest pressure955 mbar (hPa; 28.2 inHg)
Seasonal statistics
Total depressions10
Total storms10
Hurricanes5
Major hurricanes
(Cat. 3+)		2
Total fatalities14 total
Total damage$504.42 million (2006 USD)
Related articles
Atlantic hurricane seasons
2004, 2005, 2006, 2007, 2008

The 2006 Atlantic hurricane season was the least active in the basin since 1997, with nine named storms as well as an additional unnamed tropical storm identified by the National Hurricane Center. 2006 was the first season since 2001 in which no hurricanes made landfall in the United States, and was the first since 1994 in which no tropical cyclones formed during October. [1] Following the intense activity of 2003, 2004, and 2005, forecasters predicted that the 2006 season would be only slightly less active. Instead, it turned out to be a below average season, as activity was slowed by a rapidly forming moderate El Niño event, the presence of the Saharan Air Layer over the tropical Atlantic, and the steady presence of a robust secondary high-pressure area to the Azores High centered on Bermuda. There were no tropical cyclones after October 2. [2]

Contents

The season began on June 10 with the formation of Tropical Storm Alberto, which moved from the Caribbean Sea through the east coast of the United States. Hurricane Ernesto caused heavy rainfall in Haiti, and directly killed at least seven in Haiti and the United States. Four hurricanes formed after Ernesto, including the strongest storms of the season, Hurricanes Helene and Gordon. In total, the season was responsible for 14 deaths and $500 million in damage. The calendar year 2006 also saw Tropical Storm Zeta, which arose in December 2005 and persisted until early January, only the second such event on record. The storm is considered a part of the 2005 season, as it developed in that calendar year.

Seasonal forecasts

Forecasts of hurricane activity are issued before each hurricane season by Philip J. Klotzbach, Dr. William M. Gray, and their associates at Colorado State University; and separately by NOAA forecasters.

Klotzbach's team (formerly led by Gray) has defined the average number of storms per season (1950–2000) as 9.6 tropical storms, 5.9 hurricanes, and 2.3 major hurricanes (storms exceeding Category 3 strength in the Saffir–Simpson scale). A normal season, as defined by NOAA, has 6–14 named storms, with 4–8 of those reaching hurricane strength, and 1–3 major hurricanes. [3] [4]

Predictions of tropical activity in the 2006 season
SourceDateNamed
storms		HurricanesMajor
hurricanes
CSU Average (1950–2000) [3] 9.65.92.3
NOAA Average [5] 6–144–81–3
Record high activity from 1950–2006 28 15 7
Record low activity from 1950–2006 4 2 0
CSUDecember 5, 20051795
CSUApril 4, 20061795
NOAAMay 22, 200613–168–104–6
CSUMay 31, 20061795
CSUAugust 3, 20061573
NOAAAugust 8, 200612–157–93–4
CSUSeptember 1, 20061352
CSUOctober 3, 20061162
Actual activity1052

Pre-season forecasts

On December 5, 2005, Klotzbach's team issued its initial extended-range forecast for the 2006 season, predicting an above average of 17 named storms, nine of them hurricanes, and five classified as Category 3 intensity or higher. [3]

As in the 2005 season, the team predicted it was highly probable that at least one major hurricane would directly impact the United States. The forecast suggested an 81% probability that at least one major hurricane would strike the U.S. mainland, a 64% chance of at least one major hurricane striking the East Coast of the United States (including the Florida peninsula), and a 47% chance of at least one major hurricane striking the Gulf Coast of the United States from the Florida Panhandle westward. The team also predicted that the potential for major hurricane activity in the Caribbean was above average. A few months later, on April 4, 2006, CSU issued another forecast confirming its December predictions. [6]

On May 22, 2006, NOAA released its pre-season forecast for the 2006 season. The prediction was for 13–16 named storms, 8–10 of those becoming hurricanes, and 4–6 becoming major hurricanes. [7]

On May 31, 2006, Klotzbach's team released its final pre-season forecast for 2006, confirming its earlier prediction. [8]

Midseason outlooks

On August 3, 2006, Klotzbach's team lowered its season estimate to 15 named storms, with 7 becoming hurricanes and 3 becoming major hurricanes, noting that conditions had become less favorable for storms than they had been earlier in the year. The sea-level pressure and trade wind strength in the tropical Atlantic were reported to be above normal, while sea surface temperature anomalies were on a decreasing trend. [9]

On August 8, 2006, NOAA revised its season estimate to 12–15 named storms, with 7–9 becoming hurricanes, and 3–4 becoming major hurricanes. The reduction was attributed to less favorable environmental conditions, a decrease in La Niña conditions, and the lack of a "very persistent upper-level ridge pattern over the eastern U.S. and western Atlantic" [10]

On September 1, Klotzbach's team also revised its season estimate, to 13 named storms, 5 hurricanes, and 2 major hurricanes, citing a larger volume of the Saharan Air Layer and an El Niño trend in the Pacific. [11] The team again reduced the number of tropical storms expected for the season a month later, on October 3, with an updated forecast of 11 named storms, 6 hurricanes, and 2 major hurricanes, citing the ongoing El Niño. [12]

Seasonal summary

Hurricane Gordon (2006)Hurricane Florence (2006)Hurricane Ernesto (2006)Tropical Storm Chris (2006)Tropical Storm Alberto (2006)Tropical Storm Zeta (2005)Saffir–Simpson scale2006 Atlantic hurricane season
Satellite image on September 18 of Hurricane Gordon on the top, with Hurricane Helene to the bottom Gordon and Helene 18 sept 2006.jpg
Satellite image on September 18 of Hurricane Gordon on the top, with Hurricane Helene to the bottom

Tropical Storm Zeta formed on December 30, 2005, and lasted until January 6, 2006. Although the majority of its existence occurred in 2006, it is officially a storm of the 2005 Atlantic hurricane season as that is the year in which it formed. Zeta joined Hurricane Alice as only the second North Atlantic tropical cyclone in recorded history to span two calendar years. [13]

The season started on June 1, 2006, and officially ended on November 30, 2006. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. [14] Ten days into the start of the season, Tropical Storm Alberto developed in the Caribbean, [15] and after four months of activity, Hurricane Isaac dissipated on October 3 south of Newfoundland. [16] Compared to the devastating 2005 Atlantic hurricane season, 2006 was not severe in terms of deaths and damage. Three tropical storms made landfall in the United States. The first of them, Tropical Storm Alberto, made landfall in Florida with winds of 50 mph (80 km/h), causing flooding and light damage. [15] Tropical Storm Beryl made landfall on Nantucket, but left little impact. [17] The third and more significant storm was Hurricane Ernesto, which killed two people in Virginia and two in Florida, as well as causing $500 million in damage (2006 USD). [18] During the season, only one tropical cyclone in the Atlantic – Alberto – affected Mexico. [19] Canada was affected by several tropical cyclones during 2006, including Alberto, the unnamed storm, Beryl, Florence, and Isaac. [20]

On June 20, an upper-level disturbance formed east of the Bahamas and moved westward across the islands. Between June 24 and 26, areas of convection developed occasionally, and a low-level disturbance formed. The system turned northward and upon reaching the Gulf Stream on June 27, it began to mature. It made landfall near Morehead City, North Carolina and moved northeastward along the U.S. East Coast. The storm contributed to severe and deadly flooding in the Mid-Atlantic states. While the NHC did not operationally classify it, data from reconnaissance aircraft, NEXRAD weather radar, and surface observations suggest it may have met the criteria for a tropical cyclone. [21]

A graph showing averages and statistics for Atlantic hurricane seasons Atlantic hurricane historical.png
A graph showing averages and statistics for Atlantic hurricane seasons

The National Hurricane Center's pre-season activity outlook predicted 13–16 named storms, 8–10 hurricanes and 4–6 major hurricanes. [7] They also predicted a high risk of at least one major hurricane strike to the Southeastern United States. In the event, only ten storms formed during the season, the lowest number since the 1997 season, when there were seven. Five of the ten storms developed into hurricanes— the lowest number since 2002– only two attained major hurricane status, tying with 2002 for the fewest since 1997. Only one named storm was observed during October, the lowest number since 1994, when none were seen during that month. Additionally, only three named storms made landfall in the United States, the fewest since 2001. [2] Because of several factors, including a rapidly forming El Niño event, the Saharan Air Layer over the tropical Atlantic and the presence of a high-pressure area to the Azores High situated near Bermuda, it contributed to a below average season. [7] Also, sea surface temperatures in the western Atlantic were just at or slightly below average. In contrast, sea surface temperatures during the 2005 season were well above average. [22]

Overall, the season's activity was reflected with a low cumulative accumulated cyclone energy (ACE) rating of 79. [23] ACE is, broadly speaking, a measure of the power of the hurricane multiplied by the length of time it existed, so storms that last a long time, as well as particularly strong hurricanes, have high ACEs. ACE is only calculated for full advisories on tropical systems at or exceeding 34 knots (39 mph; 63 km/h) or tropical storm strength. Subtropical cyclones are excluded from the total. [24]

Systems

Tropical Storm Alberto

Tropical storm (SSHWS)
Alberto 2006-06-12 1830Z.jpg   Alberto 2006 track.png
DurationJune 10 – June 14
Peak intensity70 mph (110 km/h) (1-min);
995  mbar  (hPa)

On June 10, an area of disturbed weather associated with a broad low-pressure area off the coast of Belize organized over the warm waters of the Caribbean into the first tropical depression of the season. [15] It dropped light rainfall in Mexico, with a 24-hour total peaking at 4 inches (100 mm) in Peto, Yucatán. [19] Southwesterly vertical wind shear initially prevented significant development, but as it moved closer to Florida, the depression strengthened into a tropical storm on June 11. Passing over the warm, deep water of the Loop Current allowed accelerated development, and the cyclone reached its peak winds of 70 mph (110 km/h), just shy of hurricane strength. Subsequent weakening occurred as it moved over the cooler waters of the continental shelf, and Alberto made landfall near Adams Beach, Florida, on June 14 with winds of about 45 mph (72 km/h). [15] Losing its tropical characteristics, Alberto moved northeastward and produced heavy rainfall in South Carolina and North Carolina. The remnants tracked off the U.S. East Coast and transitioned into a powerful extratropical storm which affected Nova Scotia with high winds, heavy rain, and rough surf, leaving four fisherman missing offshore. [15]

Alberto caused record rainfall in North Carolina, peaking at 8 inches (200 mm). [25] In Florida, two people died, [26] and damage was estimated at $250,000 (2006 USD). [27] Later, the storm left four sailors missing about 230 miles (370 km) south of Nova Scotia. [15]

Unnamed tropical storm

Tropical storm (SSHWS)
02L 2006-07-17 1730Z.jpg   2006 Atlantic tropical storm 2 track.png
DurationJuly 17 – July 18
Peak intensity50 mph (85 km/h) (1-min);
998  mbar  (hPa)

A cold front exited the eastern United States on July 13 and subsequently stalled over the western Atlantic Ocean. [28] It decayed and dissipated, leaving behind two areas of low pressure. [29] The southern area near North Carolina became Tropical Storm Beryl, [30] and the northern system became an extratropical low on July 16, south-southeast of Cape Cod, Massachusetts. The system separated itself from the dissipating front later that day while moving northeastward over warm waters. Convection developed near the center, and the system transitioned into a tropical depression early on July 17, about 240 miles (390 km) southeast of Nantucket, Massachusetts. [28] Accelerating northeastward, the depression intensified into a tropical storm six hours later. Banding features became prominent, and after continued strengthening, the storm attained peak winds of 50 mph (80 km/h) late on July 17, while located about 245 miles (394 km) south of Halifax, Nova Scotia. Shortly thereafter, the storm encountered much cooler water temperatures after leaving the Gulf Stream. The storm quickly weakened as the convection rapidly diminished, and on July 18, degenerated into a non-convective remnant low. The remnants crossed Newfoundland, before turning to the east-northeast and dissipating on July 19. [28] The storm greatly weakened prior to moving across Newfoundland, and as a result, its impact was minimal. [20]

Operationally, the storm was considered as a non-tropical gale, connected to a cold front. However, a post-season analysis provided enough evidence of tropical characteristics, indicating no frontal features and no cold air intrusion at the time of peak winds. Observations analyzed the storm as having a symmetric warm core, whereas in real time it was considered subtropical. The National Hurricane Center officially re-classified the system as an unnamed tropical storm on December 15, 2006. [28]

Tropical Storm Beryl

Tropical storm (SSHWS)
Beryl 2006-07-20 1800Z.jpg   Beryl 2006 track.png
DurationJuly 18 – July 21
Peak intensity60 mph (95 km/h) (1-min);
1000  mbar  (hPa)

The same frontal system that developed the previous storm also produced another low-pressure area east of North Carolina. [17] [31] The system was broad and ill-defined at first, [32] although the low-level circulation became sufficiently organized to be designated a tropical depression on July 18, about 290 mi (465 km) east-southeast of the coast of North Carolina. Later that day, the depression developed organized rainbands over the eastern periphery of the circulation, and as a result, the NHC upgraded it to Tropical Storm Beryl. The nascent storm moved generally northward at first along the western periphery of a subtropical ridge, parallel to the East Coast of the United States. With low wind shear and favorable outflow, Beryl intensified to reach a peak intensity of 60 mph (97 km/h) early on July 20. [17] Around that time, the storm developed an eye-like feature in the center of the convection. [33] Cooler waters caused Beryl to weaken, as it turned northeastward ahead of an approaching trough. Early on July 21, the storm struck the island of Nantucket with winds of 50 mph (85 km/h). Shortly thereafter, Beryl transitioned into an extratropical cyclone, which moved through Nova Scotia before merging with another extratropical cyclone on July 22 over Newfoundland. [17]

Due to the storm's path near the eastern United States, the NHC issued several tropical cyclone watches and warnings, [17] while the Canadian Hurricane Centre issued gale warnings for the coastal waters off Nova Scotia and Newfoundland. [33] Ferry service between Nantucket and Cape Cod was halted during the storm. [34] Waves along the southern coast of Nantucket reached 10 feet (3.0 m) in height as the storm approached the island, [35] resulting in four people being rescued by lifeguards from rip currents. [36] Light rainfall, reaching 0.97 inches (25 mm), was recorded on Nantucket, and wind gusts reached 44 mph (71 km/h). [37] [17] Impacts in the area were limited to downed telephone poles and fallen tree branches. [38] The remnants of Tropical Storm Beryl dropped moderate precipitation in Atlantic Canada, with totals of up to 3.5 inches (89 mm); in some locations 1 inch (25 mm) of rain fell in an hour. Moderate winds were reported along its path, which peaked at 60 mph (97 km/h) in southern Nova Scotia. The storm caused minor street flooding and power outages across Atlantic Canada. [20]

Tropical Storm Chris

Tropical storm (SSHWS)
03L Chris 2006.jpg   Chris 2006 track.png
DurationAugust 1 – August 4
Peak intensity65 mph (100 km/h) (1-min);
1001  mbar  (hPa)

In late July, a tropical wave moved off the coast of Africa and traversed the Atlantic Ocean. The associated convection organized and became a tropical depression on August 1 about 160 miles (260 km) east of Antigua. The depression tracked westward and soon intensified into Tropical Storm Chris before reaching peak winds of 65 mph (105 km/h) northeast of the United States Virgin Islands. The storm was forecast to strengthen further and become a hurricane as it moved into the Bahamas. However, Chris began to be affected by wind shear and became disorganized. The storm weakened to a tropical depression on August 4, and dissipated as it approached the Cuban coast on August 5. [39]

The storm's effects were limited to moderate rainfall in Hispaniola and Cuba. Cruise lines such as Royal Caribbean re-routed their ships to avoid the storm. [40] In Puerto Rico, rainfall from the storm caused the Fajardo River to overflow its banks. The floodwaters temporarily forced a closure of a highway in the northeastern portion of the island. Rainfall reached up to 2 inches (51 mm) across portions of Hispaniola, the Turks and Caicos, the Bahamas, and eastern Cuba, and reached 4 inches (100 mm) in some mountainous areas. [39]

Tropical Storm Debby

Tropical storm (SSHWS)
TS debby 2006.jpg   Debby 2006 track.png
DurationAugust 21 – August 26
Peak intensity50 mph (85 km/h) (1-min);
999  mbar  (hPa)

On August 20, a vigorous tropical wave exited the coast of Africa, developing convective banding and a broad circulation. [41] A broad area of low pressure formed within the wave the next day and despite convection weakening, the area of low pressure remained well-organized, [42] becoming Tropical Depression Four later that day with water temperatures and minimal upper-level shear conducive for further intensification. [43] The next day, the depression intensified into Tropical Storm Debby about 300 mi (485 km) southwest of Cape Verde. [41] Debby strengthened further, peaking with sustained winds of 50 mph (80 km/h) later that day. However, shortly after reaching its peak intensity, Debby encountered dry air and subsequently weakened with its low level circulation detaching from the weakening system which was tracking west-northwestward. [44] Convection redeveloped over a portion of the center, while banding features redeveloped as well. [45] Organization continued, and Debby once again peaked with 50 mph (80 km/h) the next day. [46] Soon after, southerly wind shear displaced the convection to the north of the center, [47] causing Debby to weaken into a tropical depression the next day. [48] Soon after, Debby degenerated into a remnant low. The remnants of Debby persisted before dissipating on August 28. [41]

When Debby was first warned on, the government of Cape Verde issued a tropical storm warning. The National Hurricane Center stated that heavy rainfall, potentially as high as 10 in (250 mm) in mountainous areas, was possible. [49] However, all warnings were discontinued six hours later, [50] the depression moved away from the islands. [51] Despite that, the depression produced a gust of 35 mph (55 km/h) at Fogo [41] and some rainfall. [52] Despite Debby being forecast to remain far away from the Gulf of Mexico, investors tracking the storm caused the price of crude oil to rise significantly due to its potential impact to oil installations. [53]

Hurricane Ernesto

Category 1 hurricane (SSHWS)
Ernesto 2006-08-27 0630Z.jpg   Ernesto 2006 track.png
DurationAugust 24 – September 1
Peak intensity75 mph (120 km/h) (1-min);
985  mbar  (hPa)

Hurricane Ernesto originated from a tropical wave which moved off the coast of Africa on August 18. The wave progressed westward and reached the Western Atlantic, spawning a tropical depression on August 24 near the Windward Islands. It moved west-northwestward through the Caribbean Sea and intensified into Tropical Storm Ernesto on August 25. The storm briefly attained hurricane status on August 27 to the southwest of Haiti, before land interaction caused weakening. Ernesto made landfall near Guantánamo Bay, Cuba, early in the morning on August 28 as a tropical storm. At one point the storm was predicted to become a major hurricane in the Gulf of Mexico and threaten parts of the Gulf Coast. However, Ernesto moved much farther east than anticipated, and made landfall as a tropical storm on the southern tip of Florida on August 29. Ernesto retained tropical storm strength as it crossed Florida and emerged from land near Cape Canaveral, and was just below hurricane strength when it made landfall again in North Carolina on August 31. Ernesto transitioned into an extratropical cyclone over Virginia on September 1, which ultimately dissipated over Quebec on September 4. [18]

Early in its duration, Ernesto killed five people in Haiti from rainfall. Later, two people died in Florida in traffic accidents due to slick roads. Damage was heaviest in Virginia, where heavy rains left severe flooding. Damage in the United States was estimated at $500 million (2006 USD). [18]

Hurricane Florence

Category 1 hurricane (SSHWS)
Florence 2006-09-10 1730Z.jpg   Florence 2006 track.png
DurationSeptember 3 – September 12
Peak intensity90 mph (150 km/h) (1-min);
974  mbar  (hPa)

Hurricane Florence originated on September 3 from the complex merging of two tropical waves, creating one large low-pressure area. The disturbance moved westward and became a tropical depression in the open waters of the Atlantic. On September 5, it organized further and was upgraded into Tropical Storm Florence. With a disorganized structure and multiple circulation centers, Florence remained a weak tropical storm for several days, even after external conditions became favorable for strengthening. Florence tracked west-northwest and intensified into a hurricane on September 10 while south of Bermuda. The storm passed just to the east of Bermuda as a Category 1 hurricane on the Saffir–Simpson scale as it reached its peak intensity of 90 mph (140 km/h). It moved north before losing its tropical characteristics and passing over the Canadian Maritimes as a strong extratropical storm. [54]

Large swells, rip tide, and undertow were reported on Bermuda, the Leeward Islands, the Virgin Islands, and Hispaniola. [55] Florence affected Bermuda with wind gusts up to 115 mph (185 km/h) and heavy rain which left 23,000 houses without electricity. In all, the storm caused $200,000 (2006 USD; $302,2782024 USD) in damage. Florence then brought heavy rains across Newfoundland as an extratropical storm, destroying one house and causing minor damage to several others. There were no fatalities as a result of the hurricane. [56]

Hurricane Gordon

Category 3 hurricane (SSHWS)
Hurricane Gordon 2006.jpg   Gordon 2006 track.png
DurationSeptember 10 – September 20
Peak intensity120 mph (195 km/h) (1-min);
955  mbar  (hPa)

A tropical wave moved off the coast of Africa on September 1. The wave tracked westward across the Atlantic for several days until it reached an area of relaxed wind shear and its associated low-pressure area organized into a tropical depression. It moved east-northeast and was upgraded to Tropical Storm Gordon on September 11, while located over the open waters of the Atlantic. Gordon turned north, and became a hurricane on September 13. It intensified to Category 3 status on the Saffir–Simpson scale and reached its peak intensity of 120 mph (190 km/h) on September 14. Tracking northward, it began to lose tropical characteristics. On September 20, the system affected Britain with high winds and heavy rain as an extratropical cyclone. [57] During Gordon's passage through Britain, 120,000 homes were left without power after winds of 80 mph (130 km/h) affected the country. [58]

Hurricane Helene

Category 3 hurricane (SSHWS)
Hurricane Helene 18 sept 2006.jpg   Helene 2006 track.png
DurationSeptember 12 – September 24
Peak intensity120 mph (195 km/h) (1-min);
955  mbar  (hPa)

On September 11, a vigorous tropical wave moved off the west coast of Africa, which the NHC expected would develop into a tropical cyclone. The convection increased and organized further, leading to the development of a tropical depression on September 12, located 270 mi (370 km) south-southeast of the Cape Verde Islands. While passing south of the islands, the depression struggled to intensify due to easterly wind shear and the cyclone's large size. Improved rainbands developed over the northern periphery, signaling that the depression intensified into Tropical Storm Helene on September 14. [59] A day later, as wind shear decreased, Helene began intensifying, reaching hurricane intensity on September 16, as it developed a ragged eye in the center of the convection. [59] [60] [61] On September 17, the intensification became more rapid and Helene quickly became a Category 2 hurricane that morning as the eye became clearer and surrounded by deep convection. [62] Helene also turned more northward and slowed in the central Atlantic, which was in response to a weakness in the subtropical ridge farther north created by Gordon to the north. Early on September 18, Helene peaked as a Category 3 hurricane with winds of 120 mph (190 km/h). [59]

At the time of peak intensity, Helene and Gordon were at roughly the same longitude in the open ocean, although the latter moved eastward. This caused a ridge to move southward, forcing Helene westward. [59] Helene weakened slightly due to a lengthy eyewall replacement cycle and an elongated cloud pattern. [59] [63] Further weakening occurred on September 20 as wind shear increased. [64] A day later, Helene turned back to the north and later northeast ahead of a trough that exited the east coast of the United States. [59] The hurricane re-intensified slightly on September 23, although the structure resembled a hybrid cyclone at that time, with an asymmetric frontal-like appearance. [65] Helene remained a warm-core cyclone until September 24, when it transitioned into an extratropical cyclone northwest of the Azores. Continuing northeast, the cyclone passed near Iceland on September 27. Later that day, the remnants of Helene merged with another larger extratropical cyclone north of the British Isles. [59]

Helene produced high surf along the east coast of the United States. [66] As a weakened extratropical system, strong wind gusts were reported in Ireland and northern Scotland. The strongest reported wind gust in Ireland was at the Valentia Observatory, where 56 mph (90 km/h) gusts were reported. In Scotland, the strongest gust was on South Uist Island in the Outer Hebrides, where 74 mph (119 km/h) gusts were reported. [59]

Hurricane Isaac

Category 1 hurricane (SSHWS)
Isaac 2006-09-30 1710Z.jpg   Isaac 2006 track.png
DurationSeptember 27 – October 2
Peak intensity85 mph (140 km/h) (1-min);
985  mbar  (hPa)

A tropical wave exited the west coast of Africa on September 18. For several days, the system moved across the Atlantic, producing occasional pulses of convection. Wind shear limited development, until relaxing enough for a tropical depression to develop on September 27, located about 930 mi (1,500 km) southeast of Bermuda. On the next day, the depression intensified into Tropical Storm Isaac. Initially, the storm was tracking towards the northwest, between another low pressure system to its west and a low- to mid-level ridge to its east. Throughout the day, thunderstorm activity remained unstable, possibly as a result of cooler waters churned up by previous storms. In addition, mid- to upper-level dry air had become entrained into the circulation, and the storm contained some subtropical characteristics with a baroclinic-type cloud pattern. Slow intensification continued, and ISaac attained hurricane status on September 30. Early the next day, Isaac reached peak winds of 85 mph (140 km/h). [16] Around that time, a ragged eye feature appeared on satellite imagery. [67]

After reaching peak intensity, Isaac curved the periphery of the subtropical ridge, turning to the north-northeast. Stronger wind shear and cooler waters caused Isaac to weaken to a tropical storm on October 2. That day, Isaac passed about 40 mi (64 km) to the southeast of the Avalon Peninsula of Newfoundland. At Cape Race, sustained winds peaked at 46 mph (74 km/h), with gusts of up to 60 mph (97 km/h). Shortly after passing the island, Isaac transitioned into an extratropical cyclone, and on October 3 the remnants merged with a larger extratropical storm. [16]

Storm names

The following list of names was used for named storms that formed in the North Atlantic in 2006. [68] This is the same list used for the 2000 season, except for Kirk, which replaced Keith . [69] No names were used for the first time in 2006. No names were retired following the season, [70] and the list was used again for the 2012 season. [71]

  • Helene
  • Isaac
  • Joyce (unused)
  • Kirk (unused)
  • Leslie (unused)
  • Michael (unused)
  • Nadine (unused)
  • Oscar (unused)
  • Patty (unused)
  • Rafael (unused)
  • Sandy (unused)
  • Tony (unused)
  • Valerie (unused)
  • William (unused)

Season effects

This is a table of all of the storms that formed in the 2006 Atlantic hurricane season. It includes their name, duration, peak classification and intensities, areas affected, damage, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all of the damage figures are in 2006 USD.

Saffir–Simpson scale
TDTSC1C2C3C4C5
2006 Atlantic hurricane season statistics
Storm
name		Dates activeStorm category
at peak intensity		Max 1-min
wind
mph (km/h)		Min.
press.
(mbar)		Areas affectedDamage
(USD)		DeathsRef(s)
Alberto June 10–14Tropical storm70 (110)995Southeast United States, Atlantic Canada, Florida $420 thousand3
UnnamedJuly 17–18Tropical storm50 (85)998East Coast of the United States, Atlantic CanadaNoneNone
BerylJuly 18–21Tropical storm60 (95)1000 Long Island, Massachusetts, Atlantic Canada MinimalNone
Chris August 1–4Tropical storm65 (100)1001 Leeward Islands, Puerto Rico, Turks and Caicos Islands, Hispaniola, Bahamas, Eastern Cuba MinimalNone
DebbyAugust 21–26Tropical storm50 (85)999 Cape Verde NoneNone
Ernesto August 24 – September 1Category 1 hurricane75 (120)985 Lesser Antilles, Greater Antilles, East Coast of the United States, Eastern Canada$500 million11
Florence September 3–12Category 1 hurricane90 (150)974 Bermuda, Newfoundland, East Coast of the United States, Atlantic Canada, Iceland, Greenland $200 thousandNone
Gordon September 10–20Category 3 hurricane120 (195)955 Azores, Iberian Peninsula, British Isles $3.8 millionNone
HeleneSeptember 12–24Category 3 hurricane120 (195)955British IslesNoneNone
IsaacSeptember 27 – October 2Category 1 hurricane85 (140)985 Newfoundland MinimalNone
Season aggregates
10 systemsJune 10 – October 2  120 (190)955$504.42 million7 (7) 

See also

Related Research Articles

<span class="mw-page-title-main">2004 Atlantic hurricane season</span>

The 2004 Atlantic hurricane season was a very deadly, destructive, and active Atlantic hurricane season, with over 3,200 deaths and more than $61 billion in damage. More than half of the 16 tropical cyclones brushed or struck the United States. Due to the development of a Modoki El Niño – a rare type of El Niño in which unfavorable conditions are produced over the eastern Pacific instead of the Atlantic basin due to warmer sea surface temperatures farther west along the equatorial Pacific – activity was above average. The season officially began on June 1 and ended on November 30, though the season's last storm, Otto, dissipated on December 3, extending the season beyond its traditional boundaries. The first storm, Alex, developed offshore of the Southeastern United States on July 31, one of the latest dates on record to see the formation of the first system in an Atlantic hurricane season. It brushed the Carolinas and the Mid-Atlantic, causing one death and $7.5 million (2004 USD) in damage. Several storms caused only minor damage, including tropical storms Bonnie, Earl, Hermine, and Matthew. In addition, hurricanes Danielle, Karl, and Lisa, Tropical Depression Ten, Subtropical Storm Nicole and Tropical Storm Otto had no effect on land while tropical cyclones. The season was the first to exceed 200 units in accumulated cyclone energy (ACE) since 1995, mostly from Hurricane Ivan, the storm produced the highest ACE. Ivan generated the second-highest ACE in the Atlantic, only behind 1899 San Ciriaco Hurricane.

<span class="mw-page-title-main">2003 Atlantic hurricane season</span>

The 2003 Atlantic hurricane season was a very active season with tropical cyclogenesis occurring before and after the official bounds of the season—the first such occurrence since the 1970 season. The season produced 21 tropical cyclones, of which 16 developed into named storms; seven of those attained hurricane status, of which three reached major hurricane status. The strongest hurricane of the season was Hurricane Isabel, which reached Category 5 status on the Saffir–Simpson hurricane scale northeast of the Lesser Antilles; Isabel later struck North Carolina as a Category 2 hurricane, causing $3.6 billion in damage and a total of 51 deaths across the Mid-Atlantic region of the United States.

<span class="mw-page-title-main">2002 Atlantic hurricane season</span>

The 2002 Atlantic hurricane season was a near-average Atlantic hurricane season. It officially started on June 1, 2002, and ended on November 30, dates which conventionally limit the period of each year when most tropical cyclones develop in the Atlantic Ocean. The season produced fourteen tropical cyclones, of which twelve developed into named storms; four became hurricanes, and two attained major hurricane status. While the season's first cyclone did not develop until July 14, activity quickly picked up: eight storms developed in the month of September. It ended early however, with no tropical storms forming after October 6—a rare occurrence caused partly by El Niño conditions. The most intense hurricane of the season was Hurricane Isidore with a minimum central pressure of 934 mbar, although Hurricane Lili attained higher winds and peaked at Category 4 whereas Isidore only reached Category 3. However, Lili had a minimum central pressure of 938 mbar.

<span class="mw-page-title-main">2001 Atlantic hurricane season</span>

The 2001 Atlantic hurricane season was a fairly active Atlantic hurricane season that produced 17 tropical cyclones, 15 named storms, nine hurricanes, and four major hurricanes. The season officially lasted from June 1, 2001, to November 30, 2001, dates which by convention limit the period of each year when tropical cyclones tend to form in the Atlantic Ocean basin. The season began with Tropical Storm Allison on June 4, and ended with Hurricane Olga, which dissipated on December 6.

<span class="mw-page-title-main">2000 Atlantic hurricane season</span>

The 2000 Atlantic hurricane season was a fairly active hurricane season, but featured the latest first named storm in a hurricane season since 1992. The hurricane season officially began on June 1, and ended on November 30. It was slightly above average due to a La Niña weather pattern although most of the storms were weak. It was also the only season to have two of the storms affect Ireland. The first cyclone, Tropical Depression One, developed in the southern Gulf of Mexico on June 7 and dissipated after an uneventful duration. However, it would be almost two months before the first named storm, Alberto, formed near Cape Verde; Alberto also dissipated with no effects on land. Several other tropical cyclones—Tropical Depression Two, Tropical Depression Four, Chris, Ernesto, Nadine, and an unnamed subtropical storm—did not impact land. Five additional storms—Tropical Depression Nine, Florence, Isaac, Joyce, and Leslie—minimally affected land areas.

<span class="mw-page-title-main">1982 Atlantic hurricane season</span>

The 1982 Atlantic hurricane season was an extremely inactive Atlantic hurricane season with five named tropical storms and one subtropical storm. Two storms became hurricanes, one of which reached major hurricane status. The season officially began on June 1, 1982, and lasted until November 30, 1982. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. Activity started early with Hurricane Alberto forming on the first day of the season. Alberto threatened the Southwestern Florida coast as a tropical storm, meadering offshore in the southeastern Gulf of Mexico and causing 23 fatalities in Cuba. The next system, a subtropical storm, formed later in June and affected the same area as Alberto, causing $10 million in damage.

<span class="mw-page-title-main">1988 Atlantic hurricane season</span>

The 1988 Atlantic hurricane season was a near average season that proved costly and deadly, with 15 tropical cyclones directly affecting land. The season officially began on June 1, 1988, and lasted until November 30, 1988, although activity began on May 30 when a tropical depression developed in the Caribbean. The June through November dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. The first cyclone to attain tropical storm status was Alberto on August 8, nearly a month later than usual. The final storm of the year, Tropical Storm Keith, became extratropical on November 24. The season produced 19 tropical depressions of which 12 attained tropical storm status. One tropical storm was operationally classified as a tropical depression but was reclassified in post-analysis. Five tropical cyclones reached hurricane status of which three became major hurricanes reaching Category 3 on the Saffir–Simpson scale. It was later surpassed 34 years later until the 2022 Atlantic hurricane season, to have Atlantic-Pacific crossover.

<span class="mw-page-title-main">2007 Atlantic hurricane season</span>

The 2007 Atlantic hurricane season was the first season since 2003 to feature tropical activity both before and after the official bounds of the season. There were an above-average number of named storms during the season – 15, however many storms were weak and short-lived. Despite the predominance of weak systems, this was the first season on record to feature more than one Category 5 landfalling hurricane. This would not happen again until 2017. It produced 17 tropical cyclones, 15 tropical storms, six hurricanes, and two major hurricanes. It officially started on June 1 and ended on November 30, dates which conventionally delimit the period during which most tropical cyclones form in the Atlantic Ocean, although as shown by Subtropical Storm Andrea and Tropical Storm Olga in early May and early December, respectively, the formation of tropical cyclones is possible at any time of the year. The first system, Subtropical Storm Andrea, developed on May 9, while the last storm, Tropical Storm Olga, dissipated on December 13. The most intense hurricane, Dean, was, at the time, the third most intense landfalling Atlantic storm on record. It was the second on record in which an Atlantic hurricane, Felix, and an eastern Pacific hurricane, Henriette, made landfall on the same day. September had a then record-tying eight storms, until it was surpassed in 2020. However, the strengths and durations of most of the storms were low.

<span class="mw-page-title-main">Timeline of the 2006 Atlantic hurricane season</span>

The 2006 Atlantic hurricane season was a cycle of the annual tropical cyclone season in the Atlantic Ocean in the Northern Hemisphere. The season officially began on June 1, 2006, and ended on November 30, 2006. These dates, adopted by convention, historically describe the period in each year when most subtropical or tropical cyclogenesis occurs in the Atlantic Ocean. The first storm to form in 2006 was Tropical Storm Alberto on June 10; the last, Hurricane Isaac, dissipated on October 2.

<span class="mw-page-title-main">Timeline of the 1982 Atlantic hurricane season</span>

The 1982 Atlantic hurricane season was an event in the annual tropical cyclone season in the north Atlantic Ocean. It was an inactive Atlantic hurricane season, during which only five tropical cyclones formed. The season officially began on June 1, 1982 and ended November 30, 1982. These dates, adopted by convention, historically describe the period in each year when most systems form. this year, however, most tropical activity was constrained to the month of September.

<span class="mw-page-title-main">1994 Atlantic hurricane season</span>

The 1994 Atlantic hurricane season was the final season in the most recent negative Atlantic multidecadal oscillation period of tropical cyclone formation within the basin. The season produced seven named tropical cyclones and three hurricanes, a total well below the seasonal average. The season officially started on June 1 and ended on November 30, dates which conventionally limit the period each year when most tropical cyclones tend to form in the Atlantic Ocean. The first tropical cyclone, Tropical Storm Alberto, developed on June 30, while the last storm, Hurricane Gordon, dissipated on November 21. The season was unusual in that it produced no major hurricanes, which are those of Category 3 status or higher on the Saffir–Simpson hurricane scale. The most intense hurricane, Hurricane Florence, peaked as a Category 2 storm with winds of 110 mph (180 km/h).

<span class="mw-page-title-main">2011 Atlantic hurricane season</span>

The 2011 Atlantic hurricane season was the second in a group of three very active Atlantic hurricane seasons, each with 19 named storms, tied with 1887, 1995, 2010, and 2012. The above-average activity was mostly due to a La Niña that persisted during the previous year. Of the season's 19 tropical storms, only seven strengthened into hurricanes, and four of those became major hurricanes: Irene, Katia, Ophelia, and Rina. The season officially began on June 1 and ended on November 30, dates which conventionally delimit the period during each year in which most tropical cyclones develop in the Atlantic Ocean. However, the first tropical storm of the season, Arlene, did not develop until nearly a month later. The final system, Tropical Storm Sean, dissipated over the open Atlantic on November 11.

<span class="mw-page-title-main">Timeline of the 1988 Atlantic hurricane season</span>

The 1988 Atlantic hurricane season was an event in the annual Atlantic hurricane season in the north Atlantic Ocean. It was an active season during which twelve tropical cyclones formed. The season officially began on June 1, 1988 and ended November 30, 1988. These dates, adopted by convention, historically describe the period in each year when most systems form.

<span class="mw-page-title-main">2009 Atlantic hurricane season</span>

The 2009 Atlantic hurricane season was a near-average Atlantic hurricane season that produced eleven tropical cyclones, nine named storms, three hurricanes, and two major hurricanes. It officially began on June 1 and ended on November 30, dates that conventionally delimit the period of each year when most tropical cyclones develop in the Atlantic basin. The season's first tropical cyclone, Tropical Depression One, developed on May 28, while the final storm, Hurricane Ida, dissipated on November 10. The most intense hurricane, Bill, was a powerful Cape Verde-type hurricane that affected areas from the Leeward Islands to Newfoundland. The season featured the lowest number of tropical cyclones since the 1997 season, and only one system, Claudette, made landfall in the United States. Forming from the interaction of a tropical wave and an upper-level low, Claudette made landfall on the Florida Panhandle with maximum sustained winds of 45 mph (70 km/h) before quickly dissipating over Alabama. The storm killed two people and caused $228,000 in damage.

<span class="mw-page-title-main">2012 Atlantic hurricane season</span>

The 2012 Atlantic hurricane season was the final year in a string of three consecutive very active seasons since 2010, with 19 tropical storms. The 2012 season was also a costly one in terms of property damage, mostly due to Hurricane Sandy. The season officially began on June 1 and ended on November 30, dates that conventionally delimit the period during each year in which most tropical cyclones form in the Atlantic Ocean. However, Alberto, the first named system of the year, developed on May 19 – the earliest date of formation since Subtropical Storm Andrea in 2007. A second tropical cyclone, Beryl, developed later that month. This was the first occurrence of two pre-season named storms in the Atlantic basin since 1951. It moved ashore in North Florida on May 29 with winds of 65 mph (105 km/h), making it the strongest pre-season storm to make landfall in the Atlantic basin. This season marked the first time since 2009 where no tropical cyclones formed in July. Another record was set by Hurricane Nadine later in the season; the system became the fourth-longest-lived tropical cyclone ever recorded in the Atlantic, with a total duration of 22.25 days. The final storm to form, Tony, dissipated on October 25 – however, Hurricane Sandy, which formed before Tony, became extratropical on October 29.

<span class="mw-page-title-main">Timeline of the 2012 Atlantic hurricane season</span>

The 2012 Atlantic hurricane season was an event in the annual hurricane season in the north Atlantic Ocean. For the third year in a row there were 19 named storms. The season officially began on June 1, 2012, and ended on November 30, 2012, dates that conventionally delimit the period of each year when most tropical cyclones develop in the Atlantic basin. Surprisingly, two preseason storms formed: Alberto on May 19, and Beryl on May 26. This was the first such occurrence since the 1951 season. The final storm to dissipate was Sandy, on October 29. Altogether, ten storms became hurricanes, of which two intensified into major hurricanes.

<span class="mw-page-title-main">2018 Atlantic hurricane season</span>

The 2018 Atlantic hurricane season was the third in a consecutive series of above-average and damaging Atlantic hurricane seasons, featuring 15 named storms, 8 hurricanes, and 2 major hurricanes, which caused a total of over $50 billion in damages and at least 172 deaths. More than 98% of the total damage was caused by two hurricanes. The season officially began on June 1, 2018, and ended on November 30, 2018. These dates historically describe the period in each year when most tropical cyclones form in the Atlantic basin and are adopted by convention. However, subtropical or tropical cyclogenesis is possible at any time of the year, as demonstrated by the formation of Tropical Storm Alberto on May 25, making this the fourth consecutive year in which a storm developed before the official start of the season. The season concluded with Oscar transitioning into an extratropical cyclone on October 31, almost a month before the official end.

<span class="mw-page-title-main">2020 Atlantic hurricane season</span>

The 2020 Atlantic hurricane season is the most active Atlantic hurricane season on record, in terms of number of systems. It featured a total of 31 tropical or subtropical cyclones, with all but one cyclone becoming a named storm. Of the 30 named storms, 14 developed into hurricanes, and a record-tying seven further intensified into major hurricanes. It was the second and final season to use the Greek letter storm naming system, the first being 2005, the previous record. Of the 30 named storms, 11 of them made landfall in the contiguous United States, breaking the record of nine set in 1916. During the season, 27 tropical storms established a new record for earliest formation date by storm number. This season also featured a record ten tropical cyclones that underwent rapid intensification, tying it with 1995, as well as tying the record for most Category 4 hurricanes in a singular season in the Atlantic Basin. This unprecedented activity was fueled by a La Niña that developed in the summer months of 2020, continuing a stretch of above-average seasonal activity that began in 2016. Despite the record-high activity, this was the first season since 2015 in which no Category 5 hurricanes formed.

<span class="mw-page-title-main">2021 Atlantic hurricane season</span>

The 2021 Atlantic hurricane season was the third-most active Atlantic hurricane season on record in terms of number of tropical cyclones, although many of them were weak and short-lived. With 21 named storms forming, it became the second season in a row and third overall in which the designated 21-name list of storm names was exhausted. Seven of those storms strengthened into a hurricane, four of which reached major hurricane intensity, which is slightly above-average. The season officially began on June 1 and ended on November 30. These dates historically describe the period in each year when most Atlantic tropical cyclones form. However, subtropical or tropical cyclogenesis is possible at any time of the year, as demonstrated by the development of Tropical Storm Ana on May 22, making this the seventh consecutive year in which a storm developed outside of the official season.

<span class="mw-page-title-main">2024 Atlantic hurricane season</span>

The 2024 Atlantic hurricane season is the ongoing Atlantic hurricane season in the Northern Hemisphere. The season officially began on June 1, and will end on November 30. These dates, adopted by convention, historically describe the period in each year when most subtropical or tropical cyclogenesis occurs in the Atlantic Ocean. The first system, Tropical Storm Alberto, developed on June 19, making it the latest first named storm since 2014.

References

  1. ↑ Mainelli, Michelle; Beven, Jack (November 1, 2006). "Monthly Tropical Weather Summary for October 2006". National Hurricane Center. Archived from the original on November 6, 2013. Retrieved November 1, 2006.
  2. 1 2 Klotzbach, Philip J.; Gray, William M. (November 17, 2006). "Summary of 2006 Atlantic Tropical Cyclone Activity and Verification of Authors' Seasonal and Monthly Forecasts". Colorado State University. Archived from the original on February 5, 2012. Retrieved November 17, 2006.
  3. 1 2 3 Klotzbach, Philip J.; Gray, William M. (December 6, 2005). "Extended Range Forecast of Atlantic Seasonal Hurricane Activity and U.S. Landfall Strike Probability for 2006". Colorado State University. Archived from the original on June 13, 2006. Retrieved May 22, 2006.
  4. ↑ Landsea, Christopher (2005). "AOML Frequently Asked Questions, E10". NOAA. Archived from the original on June 14, 2006. Retrieved May 22, 2006.
  5. ↑ "NOAA Reviews Record-Setting 2005 Atlantic Hurricane Season". National Oceanic and Atmospheric Administration. April 13, 2006. Archived from the original on April 23, 2006. Retrieved April 26, 2006.
  6. ↑ Klotzbach, Philip J.; Gray, William M. (April 4, 2006). "Extended Range Forecast of Atlantic Seasonal Hurricane Activity and U.S. Landfall Strike Probability for 2006". Colorado State University. Archived from the original on June 14, 2006. Retrieved May 22, 2006.
  7. 1 2 3 "NOAA Predicts Very Active 2006 North Atlantic Hurricane Season". National Oceanic and Atmospheric Administration. 2006. Archived from the original on June 12, 2006. Retrieved May 22, 2006.
  8. ↑ Klotzbach, Philip J.; Gray, William M. (May 31, 2006). "Extended Range Forecast of Atlantic Seasonal Hurricane Activity and U.S. Landfall Strike Probability for 2006". Colorado State University. Archived from the original on June 12, 2006. Retrieved May 31, 2006.
  9. ↑ Klotzbach, Philip J.; Gray, William M. (August 3, 2006). "Extended Range Forecast of Atlantic Seasonal Hurricane Activity and U.S. Landfall Strike Probability for 2006". Colorado State University. Archived from the original on August 8, 2006. Retrieved August 3, 2006.
  10. ↑ "NOAA: August 2006 Update to Atlantic Hurricane Season Outlook". National Oceanic and Atmospheric Administration. August 8, 2006. Archived from the original on August 11, 2006. Retrieved August 8, 2006.
  11. ↑ Klotzbach, Philip J.; Gray, William M. (September 1, 2006). "Forecast of Atlantic hurricane activity for September and October 2006 and seasonal update through August". Colorado State University. Archived from the original on September 8, 2006. Retrieved September 1, 2006.
  12. ↑ Klotzbach, Philip J.; Gray, William M. (October 3, 2006). "Forecast of Atlantic hurricane activity for October–November 2006 and seasonal update through September". Colorado State University. Archived from the original on October 31, 2006. Retrieved October 3, 2006.
  13. ↑ Knabb, Richard D.; Brown, Daniel P. (March 17, 2006). "Tropical Cyclone Report: Tropical Storm Zeta" (PDF). National Hurricane Center. Retrieved February 3, 2011.
  14. ↑ Hurricane Resreach Division. "FAQ Subjest G3: When is hurricane season?". Archived from the original on April 16, 2008. Retrieved April 16, 2008.
  15. 1 2 3 4 5 6 Avila, Lixion A.; Brown, Daniel P. (September 11, 2007). "Tropical Storm Alberto Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 26, 2008.
  16. 1 2 3 Mainelli, Michelle (November 16, 2006). "Hurricane Isaac Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 26, 2008.
  17. 1 2 3 4 5 6 Pasch, Richard J. (August 31, 2006). "Tropical Storm Beryl Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 27, 2008.
  18. 1 2 3 Knabb, Richard D.; Mainelli, Michelle (December 15, 2006). "Hurricane Ernesto Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 27, 2008.
  19. 1 2 Hernández Unzón, Alberto (2006). "Resumen de la Tormenta Tropical "Alberto" del Océano Atlántico" (PDF). Servicio Meteorológico Nacional. Archived from the original (PDF) on January 2, 2007. Retrieved May 11, 2007.
  20. 1 2 3 "2006 Atlantic Hurricane Season Review". Canadian Hurricane Centre. 2007. Archived from the original on July 26, 2007. Retrieved May 24, 2007.
  21. ↑ Gruskin, Zachary (January 2010). "Structure and Evolution of a Possible U.S. Landfalling Tropical Storm in 2006". Monthly Weather Review . 138 (1). American Meteorological Society: 265–278. Bibcode:2010MWRv..138..265G. doi: 10.1175/2009MWR3000.1 .
  22. ↑ "2006 Tropical Storm Season Now Below Average". WeatherStreet. August 21, 2006. Archived from the original on May 12, 2008. Retrieved May 5, 2008.
  23. ↑ Hurricane Research Division (March 2011). "Atlantic basin Comparison of Original and Revised HURDAT". National Oceanic and Atmospheric Administration. Archived from the original on November 29, 2011. Retrieved July 23, 2011.
  24. ↑ Levinson, David (August 20, 2008). "2005 Atlantic Ocean Tropical Cyclones". National Climatic Data Center. Archived from the original on December 1, 2005. Retrieved July 23, 2011.
  25. ↑ Blaes (2006). "Remnants of Alberto Produced Record Rainfall Amounts Across Central North Carolina". Raleigh, North Carolina National Weather Service. Archived from the original on February 5, 2012. Retrieved May 20, 2007.
  26. ↑ "Tropical Storm Alberto Event Report for Florida (3)". National Climatic Data Center. 2006. Archived from the original on July 19, 2009. Retrieved May 21, 2007.
  27. ↑ "Storm event: Tropical Storm – Florida". National Climatic Data Center. 2006. Archived from the original on March 8, 2008. Retrieved January 27, 2008.
  28. 1 2 3 4 Blake, Eric & Beven, John (2006). "Unnamed Tropical Storm Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved March 28, 2012.
  29. ↑ Mainelli, Michelle & Beven, Jack (July 16, 2006). "July 16, 2006 Tropical Weather Outlook (2)". National Hurricane Center. Archived from the original on November 6, 2013. Retrieved June 20, 2007.
  30. ↑ Pasch, Richard (August 31, 2006). "Tropical Storm Beryl Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved March 28, 2012.
  31. ↑ Michelle Mainelli; Jack Beven (July 16, 2006). "Tropical Weather Outlook" (TXT). National Hurricane Center. Retrieved February 22, 2024.
  32. ↑ Richard Pasch (July 17, 2006). "Tropical Weather Outlook" (TXT). National Hurricane Center. Retrieved February 22, 2024.
  33. 1 2 Bowyer (2006). "Tropical Storm Beryl Information Statement on July 20, 2006". Canadian Hurricane Centre. Archived from the original on October 2, 2006. Retrieved May 24, 2007.
  34. ↑ Andrew Ryan; Yuxing Zheng & Peter Schworm (July 21, 2006). "Tropical Storm Beryl fizzles as it passes over Nantucket". Boston Globe. Retrieved June 23, 2011.
  35. ↑ NASA/GOES Project Office (2006). "Beryl's Effect on Nantucket Island, Mass". Archived from the original on September 26, 2015. Retrieved May 22, 2007.
  36. ↑ Johnson, Carolyn; Zheng, Yuxing (July 21, 2006). "Tropical Storm Beryl sweeps into region". Boston Globe. Archived from the original on June 3, 2015. Retrieved May 22, 2007.
  37. ↑ Roth, David M. (January 3, 2023). "Tropical Cyclone Point Maxima". Tropical Cyclone Rainfall Data. United States Weather Prediction Center. Retrieved January 6, 2023.PD-icon.svg This article incorporates text from this source, which is in the public domain.
  38. ↑ Boston Globe (July 22, 2006). "Tropical Storm Beryl Pays Nantucket a Visit". The Boston Globe. Retrieved May 22, 2007.
  39. 1 2 Stewart, Stacy R. (December 14, 2006). "Tropical Storm Chris Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 27, 2008.
  40. ↑ Royal Caribbean. "Tropical Weather Update for August 2, 2006". Archived from the original on September 28, 2007. Retrieved August 2, 2006.
  41. 1 2 3 4 James L. Franklin (November 2, 2006). "Tropical Storm Debby Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved February 25, 2011.
  42. ↑ Eric Blake & James Franklin (August 21, 2006). "August 21 Tropical Weather Outlook". National Hurricane Center. Retrieved February 25, 2011.[ permanent dead link ]
  43. ↑ James L. Franklin (August 21, 2006). "Tropical Depression One Discussion One". National Hurricane Center. Retrieved February 25, 2011.
  44. ↑ James L. Franklin (August 23, 2006). "Tropical Storm Debby Discussion Nine". National Hurricane Center. Retrieved February 25, 2011.
  45. ↑ Stacy Stewart (August 24, 2006). "Tropical Storm Debby Discussion Ten". National Hurricane Center. Retrieved February 25, 2011.
  46. ↑ James L. Franklin (August 24, 2006). "Tropical Storm Debby Discussion Twelve". National Hurricane Center. Retrieved February 25, 2011.
  47. ↑ David Roberts & Jack Beven (August 25, 2006). "Tropical Storm Debby Discussion Sixteen". National Hurricane Center. Retrieved February 25, 2011.
  48. ↑ Eric Blake & Lixion Avila (August 26, 2006). "Tropical Depression Debby Discussion Nineteen". National Hurricane Center. Retrieved February 25, 2011.
  49. ↑ James Franklin (August 21, 2006). "Tropical Depression Public Advisory One". National Hurricane. Retrieved February 25, 2011.
  50. ↑ James L. Franklin (August 22, 2006). "Tropical Depression Four Discussion Two". National Hurricane Center. Retrieved February 25, 2011.
  51. ↑ James Franklin (August 22, 2006). "Tropical Depression Four Public Advisory Four". National Hurricane Center. Retrieved February 25, 2011.
  52. ↑ "Tropical Depression Reaches Cape Verde Islands". Fox News. Associated Press. August 22, 2006. Retrieved February 25, 2011.
  53. ↑ "Oil prices higher in Asia". The Daily Star. August 26, 2006. Retrieved September 5, 2006.
  54. ↑ Beven, Jack (January 4, 2007). "Hurricane Florence Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 27, 2008.
  55. ↑ "Bermuda braces as Florence becomes hurricane". CNN. Associated Press. September 10, 2006. Archived from the original on September 26, 2006.
  56. ↑ "Florence deals Bermuda a blow, moves on". NBC News. September 8, 2006. Archived from the original on September 1, 2014. Retrieved January 27, 2008.
  57. ↑ Blake, Eric S. (November 14, 2006). "Hurricane Gordon Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 27, 2008.
  58. ↑ "Thousands of homes without power". BBC News. September 23, 2006. Archived from the original on January 2, 2014. Retrieved January 26, 2008.
  59. 1 2 3 4 5 6 7 8 Brown, Daniel P. (November 15, 2006). "Hurricane Helene Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved January 27, 2008.
  60. ↑ "Tropical Storm Helene Discussion #13". National Hurricane Center. September 15, 2006. Retrieved November 24, 2006.
  61. ↑ "Hurricane Helene Discussion #17". National Hurricane Center. September 16, 2006. Retrieved November 24, 2006.
  62. ↑ "Hurricane Helene Discussion #21". National Hurricane Center. September 17, 2006. Retrieved November 24, 2006.
  63. ↑ "Hurricane Helene Discussion #31". National Hurricane Center. September 19, 2006. Retrieved November 24, 2006.
  64. ↑ "Hurricane Helene Discussion #33". National Hurricane Center. September 20, 2006. Retrieved November 24, 2006.
  65. ↑ "Hurricane Helene Discussion #47". National Hurricane Center. September 23, 2006. Retrieved November 24, 2006.
  66. ↑ Coen, Jon (September 23, 2006). "Hurricane Helene helps make for good swells at Brave New World Pro-Am in Manasquan". Asbury Park Press . Vol. 127, no. 228. Gannett. pp. C1, C6. Retrieved June 11, 2022– via Newspapers.com.
  67. ↑ Lindsea/Stewart (October 1, 2006). "Hurricane Isaac Discussion Number 15". National Hurricane Center. Retrieved June 20, 2009.
  68. ↑ National Hurricane Operations Plan (PDF) (Report). Washington, D.C.: NOAA Office of the Federal Coordinator for Meteorological Services and Supporting Research. May 2006. p. 3-8. Retrieved January 20, 2024.
  69. ↑ "Worldwide Tropical Cyclone Names". National Hurricane Center. March 4, 2003. Archived from the original on April 11, 2003. Retrieved September 25, 2011.
  70. ↑ "Tropical Cyclone Naming History and Retired Names". Miami, Florida: National Hurricane Center. Retrieved January 20, 2024.
  71. ↑ "Hurricane names for 2012". Raleigh, North Carolina: WRAL-TV. April 30, 2012. Retrieved January 20, 2024.

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