1987 Atlantic hurricane season

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1987 Atlantic hurricane season
1987 Atlantic hurricane season summary map.png
Season summary map
Seasonal boundaries
First system formedMay 24, 1987
Last system dissipatedNovember 4, 1987
Strongest storm
Name Emily
  Maximum winds125 mph (205 km/h)
(1-minute sustained)
  Lowest pressure958 mbar (hPa; 28.29 inHg)
Seasonal statistics
Total depressions14
Total storms7
Hurricanes3
Major hurricanes
(Cat. 3+)
1
Total fatalities10 total
Total damage$90.01 million (1987 USD)
Related articles
Atlantic hurricane seasons
1985, 1986, 1987, 1988, 1989

The 1987 Atlantic hurricane season was a below-average hurricane season that was limited by an ongoing El Niño. The season officially began on June 1, 1987, and lasted until November 30, 1987, although activity began on May 24 when a tropical depression developed 400 mi (640 km) east of the central Bahamas. 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 an unnamed tropical storm which formed on August 9, nearly a month later than usual. [1] The final storm of the year, Tropical Depression Fourteen, merged with a weak extratropical low on November 4. The season marked the first year tropical storm watches and warnings were issued; previously, gale watches and warnings were used for tropical storms, and this season was one of only a few seasons with no deaths in the United States; the last time this happened was in the 1981 season.

Contents

During this season, 14 tropical depressions formed of which seven attained tropical storm status. One tropical storm was operationally classified as a tropical depression but was reclassified in post-analysis. Three tropical cyclones reached hurricane status of which only one became a major hurricane, which is a Category 3 or greater on the Saffir–Simpson scale. Hurricane Emily was the costliest storm of the season, causing $80.3 million in damage (1987 USD) as it ravaged the Dominican Republic and Bermuda. Tropical Depression Fourteen was the deadliest storm of the season, causing six deaths as it passed across Jamaica. Of the seven cyclones that attained tropical storm status, three did not affect land.

Seasonal forecasts and activity

Predictions of tropical activity in the 1987 season
SourceDateNamed
storms
HurricanesMajor
hurricanes
CSU June 285N/A
Record high activity 30 15 7
Record low activity 1 0 (tie)0
Actual activity731

Forecasts of hurricane activity are issued before each hurricane season by hurricane expert Dr. William M. Gray and his associates at Colorado State University. An average season, as defined by NOAA, has 6 to 14 named storms, with 4 to 8 of those reaching hurricane strength, and with 3 hurricanes becoming major hurricanes. The June 2, 1987, report suggested that eight tropical storms would form during the 1987 season, five of them becoming hurricanes. [2]

The forecast anticipated more tropical activity than what ultimately occurred. During the season, 14 tropical depressions formed from May 25 to November 5. Seven of the depressions strengthened into tropical storms, six of them named. [3] Tropical Depression Two was upgraded into a tropical storm in post-season analysis, and as a result has no name. Tropical storms Arlene, Emily and Floyd all reached hurricane status during their durations, of which only Emily reached major hurricane status. [4]

The United States was affected by four tropical cyclones in 1987, of which three struck Florida. The unnamed tropical storm struck Texas and affected much of the Gulf Coast of the United States. [5] [6]

The season's activity was reflected with a cumulative accumulated cyclone energy (ACE) rating of 34, [7] which is classified as "below normal". [8] 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. [9]

Systems

Tropical Depression Fourteen (1987)Hurricane Floyd (1987)Hurricane Emily (1987)Hurricane Arlene (1987)1987 Gulf Coast tropical stormSaffir-Simpson scale1987 Atlantic hurricane season

Tropical Depression One

Tropical depression (SSHWS)
1987-05-26-2001UTC-01L.jpg   1-L 1987 track.png
DurationMay 24 – June 1
Peak intensity35 mph (55 km/h) (1-min)  1003  mbar  (hPa)

A low-pressure area developed into a tropical depression just east of the Turks and Caicos Islands on May 24. [10] [11] Operationally, the system was declared the first tropical depression of the season on May 25, following confirmation from a reconnaissance aircraft flight. [11] Moving at about 8 mph (13 km/h), the depression was located 400 miles (640 km) from the east central Bahamas. It moved towards Florida and stalled off the coast, with a prediction to cause thundershowers across the state on May 28. [12] The Bahamian government released a storm warning for its northern islands as the system grew stronger. [13] The depression brought some heavy showers and thunderstorms to South Florida, [14] before dissipating just south of Key West on June 1. [10]

Tropical Storm Two

Tropical storm (SSHWS)
08-10-1987-14z-TS02L.png   1987 Atlantic tropical storm 1 track.png
DurationAugust 9 – August 17
Peak intensity45 mph (75 km/h) (1-min)  1007  mbar  (hPa)

The second tropical depression of the season formed in the northwestern Gulf of Mexico from a tropical wave on August 9. [15] It quickly strengthened into a tropical storm, though the strengthening was not known until post-season analysis. Based on lack of significant organization or reports at the time, the storm remained unnamed. It traveled northwestward and neared the coast. The tropical storm made landfall near High Island, Texas, on August 10, and quickly weakened to a tropical depression as it moved northeastward. [16] It turned to the southeast and reached the Gulf of Mexico. The weakening system accelerated to the northeast, and dissipated over Georgia on August 17. Just over 21 inches (0.53 m) of rainfall was associated with the storm, causing flash flooding and water damage amounting to $7.4 million (1987 USD, $13.3 million in 2008 USD). [17] [18]

Hurricane Arlene

Category 1 hurricane (SSHWS)
Arlene 1987-08-22 1731Z.png   Arlene 1987 track.png
DurationAugust 10 – August 23
Peak intensity75 mph (120 km/h) (1-min)  987  mbar  (hPa)

A low pressure system on the tail end of a stationary cold front organized into a subtropical depression on August 8 near the South Carolina coast, and drifted southward. [19] Convection became more organized, and the storm was classified Tropical Depression Three on August 10 over the Bahamas. It executed an anticyclonic loop to the northeast, and was estimated to have attained tropical storm status on August 11, based on reports from hurricane hunters. Small cells in the ridge of high pressure caused Arlene to take an unusual track to the east, with two southward jogs in its path. [19] A trough of low pressure near Bermuda initially inhibited strengthening. However, after high pressures to its east forced the storm northward, more favorable conditions allowed Arlene to intensify into a hurricane on August 22. [20] Operationally, it was upgraded two days earlier, based on the appearance of an eye feature on satellite imagery. After becoming a hurricane, Arlene accelerated to the northeast into the cold waters of the north Atlantic Ocean, and on August 23 it became extratropical about halfway between Newfoundland and Ireland. The extratropical remnants turned to the southeast and later to the east, making landfall on the Iberian Peninsula before dissipating on August 28 over Spain. [20]

As Arlene approached, islanders of Bermuda were warned to board up windows, with winds of 50 mph (80 km/h) expected. [21] Ultimately, the island experienced winds of 35 mph (60 km/h) with gusts up to 49 mph (80 km/h). [20] A blind sailor on a trip across the Atlantic was unable to make it to a harbor in Bermuda due to the hurricane, and rode out the storm in the open sea. [22] The storm produced moderate rainfall to coastal areas of Spain, contributing to a monthly rainfall record at Rota. [3] [20] The 14.5 day total between the start of its best track and when it attained hurricane status is the largest on record for a North Atlantic hurricane. [23]

Tropical Depression Four

Tropical depression (SSHWS)
TD 4L 14 aug 1987 1900Z.jpg   4-L 1987 track.png
DurationAugust 13 – August 15
Peak intensity35 mph (55 km/h) (1-min)  1011  mbar  (hPa)

The fourth tropical depression of the season formed off the coast of Antigua on August 14. [24] Initially, forecasters anticipated the system to intensify into a tropical storm; however, a reconnaissance mission into the depression on August 15 revealed that it was poorly organized and was declassified a tropical cyclone. [25] Tropical Depression Four peaked at 35 mph (55 km/h) and dissipated on August 15. [26]

Tropical Storm Bret

Tropical storm (SSHWS)
Bret 1987-08-20 1430Z.png   Bret 1987 track.png
DurationAugust 18 – August 24
Peak intensity50 mph (85 km/h) (1-min)  1000  mbar  (hPa)

A well-organized tropical disturbance formed off the African coast on August 17 and became a tropical depression the following day, as classified by satellite imagery. Later the same day, the ship S.S. Columbus Canterrury reported 40 mph (60 km/h) winds and a pressure of 1,004 mbar (29.6 inHg), and the depression became Tropical Storm Bret. [27]

The cyclone moved a westward course of 20–25 mph (40 km/h) and reached its peak intensity of 50 mph (80 km/h) winds and 1,000 mbar (30 inHg) in pressure on August 20. [27] A ridge of high pressure in the eastern Atlantic Ocean, north of Bret, began to weaken and drift to the east on August 20. Bret was moving at 17 mph (27 km/h) to the east on August 21. It was thought that Bret would strengthen at this point. [28] Bret slowed from August 21 until August 23, moving at only 15–20 mph (24–32 km/h). [27]

The cyclone soon moved on a northwestward course and encountered wind shear. Bret weakened into a depression on August 23, due to the wind shear over the system. The next morning, the depression became a tropical wave with no low-level circulation left. The wave was soon absorbed by a trough of low pressure during the next few days. [27]

Tropical Depression Six

Tropical depression (SSHWS)
TD 6L 31 aug 1987 1736Z.jpg   6-L 1987 track.png
DurationAugust 30 – September 2
Peak intensity35 mph (55 km/h) (1-min)  1006  mbar  (hPa)

A tropical depression formed well west-southwest of the Cape Verde Islands on August 30. [10] Forecasters predicted would become the third tropical storm of the season. [29] At 0600 UTC August 31, the depression was seemingly unchanged, with winds of averaging about 35 mph (55 km/h). The depression was then located 950 miles (1,530 km) west of Sao Taigo in Cape Verde, stirring up 12-foot (4 m) seas. [30]

The next day, Tropical Depression Six moved westward to a position 1,050 miles (1,690 km) off the Cape Verde Islands, too far from the Caribbean islands for the National Hurricane Center to send a reconnaissance flight into the depression. [31] Tropical Depression Six was at the time not a threat to land and few ships were in the area. [32] The depression degenerated into a tropical wave by September 2, [10] though it was operationally considered a tropical cyclone until two days later. [33]

Tropical Storm Cindy

Tropical storm (SSHWS)
Cindy 1987-09-08 1230Z.png   Cindy 1987 track.png
DurationSeptember 5 – September 10
Peak intensity50 mph (85 km/h) (1-min)  1000  mbar  (hPa)

On September 1 a tropical wave exited the African coast, and moved westward across the Atlantic Ocean. [34] A trough of low pressure moved southeastward through the tropics, and brought the wave more towards the north. Generally favorable conditions for development allowed the wave to organize into a tropical depression on September 5, and two days later it attained tropical storm status. Cindy continued northward, and peaked at 50 mph (80 km/h) winds on September 8 before turning to the northeast. Strong upper-level shear weakened the storm, and after two days of struggling as a tropical storm, Cindy became extratropical on September 10 to the northwest of the Azores. Cindy did not affect any landmasses. [34]

Tropical Depression Eight

Tropical depression (SSHWS)
TD 8L 6 sept 1987 1956Z.jpg   8-L 1987 track.png
DurationSeptember 6 – September 8
Peak intensity35 mph (55 km/h) (1-min)  1006  mbar  (hPa)

A tropical depression formed in the Caribbean on September 6. [10] It tracked westward through the body of water, and reached peak winds of 35 mph (56 km/h) on September 7. [35] [36] Despite its appearance, Tropical Depression Eight failed to develop further [37] and early on September 8, the depression made landfall near Puerto Cabezas, Nicaragua, shortly before dissipating. [10]

Tropical Depression Nine

Tropical depression (SSHWS)
TD 9L 7 sept 1987 1950Z.jpg   9-L 1987 track.png
DurationSeptember 7 – September 8
Peak intensity35 mph (55 km/h) (1-min)  1007  mbar  (hPa)

An upper-level cyclone in the northern Gulf of Mexico started tropical cyclogenesis offshore the southeast United States. Convection organized around a low-pressure area east of Florida, and it was declared Tropical Depression Nine on September 7. Initially poorly organized, [38] the depression moved generally northward without strengthening, and quickly made landfall along the coast of South Carolina. It maintained its identity as it tracked through North Carolina and the Mid-Atlantic States, and on September 10 the depression merged with a frontal wave over New England. The cyclone dropped moderate precipitation along its path, peaking at 10.23 inches (0.260 m) in central Virginia; stations in Maryland, the Carolinas, and Pennsylvania reported over 5 inches (125 mm) of rainfall. [39] Flash flood warnings were issued in some localities due to the precipitation, and in Virginia over 50 roads were washed out. [40] Slick roads caused three tractor-trailers to jackknife along a 2-mile (3 km) portion of the Capital Beltway. Additionally, four people required rescue assistance after being trapped in swollen creeks. [41]

Tropical Storm Dennis

Tropical storm (SSHWS)
Dennis 11 sept 1987 1719Z.jpg   Dennis 1987 track.png
DurationSeptember 8 – September 20
Peak intensity50 mph (85 km/h) (1-min)  1000  mbar  (hPa)

A tropical depression formed on September 8 off the coast of Africa. It tracked westward, passing to the south of the Cape Verde islands, and based on satellite imagery was estimated to have reached tropical storm status on September 10. Tropical Storm Dennis continued to gradually intensify, and on September 11 attained peak winds of 50 mph (80 km/h) and a minimum pressure of 1,000 mbar (30 inHg). Subsequently, the cyclone weakened to minimal tropical storm status, [42] and by September 14, Dennis was expected to immediately weaken to tropical depression status. [43] However, Dennis remained a minimal tropical storm for four more days before deteriorating to a tropical depression on September 18, as reported by a hurricane hunters plane. The depression turned abruptly northwestward through a weakness in the subtropical ridge, suggesting a new low-pressure area developed. On September 19 it turned to the northeast, and on September 20 Dennis merged with an extratropical low. [42]

Tropical Depression Eleven

Tropical depression (SSHWS)
TD 11L 14 sept 1987 1829Z.jpg   11-L 1987 track.png
DurationSeptember 13 – September 17
Peak intensity35 mph (55 km/h) (1-min)  1008  mbar  (hPa)

On September 14, a tropical depression developed about 490 miles (790 km) southeast of Antigua. Tracking westward at 5–10 mph (8–16 km/h), the depression maintained winds of about 35 mph (55 km/h), [10] and was deemed "no cause for alarm" for the Lesser Antilles. [44] [45] Failing to intensify further, the depression degenerated into a tropical wave on September 17 to the east of Antigua. [10] No damage or fatalities were reported. [46]

Hurricane Emily

Category 3 hurricane (SSHWS)
Emily 1987-09-22 1900Z.jpg   Emily 1987 track.png
DurationSeptember 20 – September 26
Peak intensity125 mph (205 km/h) (1-min)  958  mbar  (hPa)

A tropical depression, the tenth of the season, formed on September 20. It soon became a tropical storm that day off the South American coast. Emily quickly strengthened becoming a hurricane less than 48 hours later on September 22. [47]

The cyclone then slowly began turning north, soon making landfall in the Dominican Republic, where three people were reported dead and there was $30 million (1987 US dollars, $56.9 million in 2009 USD) in damage. Emily passed over Hispaniola, turned to the northeast, and eventually made landfall in Bermuda, where it caused $50 million (1987 USD, $94.8 million in 2009 USD) in damage, though there were no fatalities. [48] It weakened into a tropical storm after landfall, peaking at 125 miles per hour (200 km/h) in wind speed, a Category-3 hurricane. [47]

After peaking at winds of 90 miles per hour (140 km/h), Emily dissipated on September 26. [47] Thousands of migratory birds took refuge on Bermuda during the storm, including ten thousand bobolinks and thousands of Connecticut warblers. After the storm passed Bermuda, Emily became the second-fastest-moving hurricane of the previous century (behind only the 1938 New England hurricane), moving at a pace of 65 mph (105 km/h) or 31 m/s. Emily was the first hurricane in the Caribbean since Hurricane Katrina of the 1981 Atlantic hurricane season. [49]

Hurricane Floyd

Category 1 hurricane (SSHWS)
Floyd 1987-10-12 1500Z.jpg   Floyd 1987 track.png
DurationOctober 9 – October 13
Peak intensity75 mph (120 km/h) (1-min)  993  mbar  (hPa)

A broad area of low pressure organized into a tropical depression off the coast of Nicaragua on October 9. After drifting to the southeast, it turned to the north-northwest and organized into a tropical storm on October 10. Subsequent to crossing western Cuba, Floyd accelerated to the northeast, and attained hurricane status late on October 12. It passed through the Florida Keys before entraining cooler, drier air from a stationary frontal boundary. [50] Its convection became very disorganized, and Floyd weakened back to a tropical storm early on October 13 to the southeast of Miami; the storm crossed the Bahamas, and becoming an extratropical cyclone before being absorbed by the frontal boundary on October 14. [51]

Damage in Florida was minimal due to the disorganized nature of the hurricane. Floyd brought up to 10.07 in (256 mm) of rain to the state, causing moderate crop damage in the southern portion of the state. [52] [53] In addition, a tornado spawned by the storm damaged portions of the Florida Keys. Overall damage amounted to around $500,000 (1987 USD), with no casualties or injuries reported. [53]

Tropical Depression Fourteen

Tropical depression (SSHWS)
TD14L1987.png   14-L track 1987.png
DurationOctober 31 – November 4
Peak intensity35 mph (55 km/h) (1-min)  1004  mbar  (hPa)

A broad area of low pressure existed in the central Caribbean in late October. It steadily organized, and was classified as Tropical Depression Fourteen on October 31. It moved northwestward, and entered a high-shear environment due to an upper-level low situated toward the end of a high pressure system. By November 1, little convection remained as the weak depression turned to the north and crossed Cuba. A burst of convection organized over the depression, and brought strong wind gusts to the Florida Keys as it passed through the area on November 2. [54] It continued to the north-northwest, paralleling the Florida west coast, and lost all of its convection on November 3. The system turned to the northeast, and merged with a weak extratropical low over northern Florida on November 4. [55]

Rainfall was experienced as far north as eastern Georgia and extreme southern South Carolina. Other parts of the United States received high to moderate rains while the aforementioned region received low amounts. [56] Six fatalities were reported from devastating rainfall in Jamaica from the depression. [3] [57]

Season effects

This is a table of all of the storms that did form in the 1987 Atlantic hurricane season. It includes their duration, names, landfall(s) – denoted by bold location names – damages, and death totals. Deaths in parentheses will be additional and indirect (an example of an indirect death would be a traffic accident), but are still related to that storm. Damage and deaths will include totals while the storm was extratropical or a wave or low, and all of the damage figures are in 1987 USD.

NameDates active Peak classification Sustained
wind speeds
PressureAreas affectedDamage
(USD)
DeathsRefs
OneMay 24 – June 1Tropical depression35 mph (55 km/h)1,003 hPa (29.62 inHg)Bahamas, Florida None None
Unnamed August 9–17Tropical storm45 mph (70 km/h)1,007 hPa (29.74 inHg)United States Gulf Coast7.4 million None [3]
Arlene August 10–23Category 1 hurricane75 mph (120 km/h)987 hPa (29.15 inHg)Bahamas, Bermuda8,000 None [3]
FourAugust 13–15Tropical depression35 mph (55 km/h)1,011 hPa (29.85 inHg)None None None
BretAugust 18–24Tropical storm50 mph (80 km/h)1,000 hPa (29.53 inHg)Cape Verde Islands None None [3]
SixAugust 30 – September 2Tropical depression35 mph (55 km/h)1,006 hPa (29.71 inHg)None None None
CindySeptember 5–10Tropical storm50 mph (80 km/h)1,000 hPa (29.53 inHg)None None None [3]
EightSeptember 6–8Tropical depression35 mph (55 km/h)1,006 hPa (29.71 inHg)Nicaragua None None
NineSeptember 7–8Tropical depression35 mph (55 km/h)1,007 hPa (29.74 inHg)United States East Coast None None
DennisSeptember 8–20Tropical storm50 mph (80 km/h)1,000 hPa (29.53 inHg)None None None [3]
ElevenSeptember 13–17Tropical depression35 mph (55 km/h)1,008 hPa (29.77 inHg)None None None
Emily September 20–26Category 3 hurricane125 mph (200 km/h)958 hPa (28.29 inHg)Lesser Antilles, Greater Antilles, Bermuda80.3 million3 [3]
Floyd October 9–13Category 1 hurricane75 mph (120 km/h)993 hPa (29.32 inHg)Central America, Cuba, Florida, Bahamas500,0001 [3]
Fourteen October 31 – November 4Tropical depression35 mph (55 km/h)1,004 hPa (29.65 inHg)Jamaica, Cayman Islands, Cuba, Florida1.8 million6 [3]
Season aggregates
14 systemsMay 25 – November 4125 mph (200 km/h)958 hPa (28.29 inHg)90 million10 [3]

Storm names

The following names were used for named storms that formed in the north Atlantic in 1987. This is the same list used for the 1981 season. No names were retired, so it was used again in the 1993 season. [58] Names that were not assigned are marked in gray.

  • Harvey (unused)
  • Irene (unused)
  • Jose (unused)
  • Katrina (unused)
  • Lenny (unused)
  • Maria (unused)
  • Nate (unused)
  • Ophelia (unused)
  • Philippe (unused)
  • Rita (unused)
  • Stan (unused)
  • Tammy (unused)
  • Vince (unused)
  • Wilma (unused)

See also

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The 1985 Atlantic hurricane season had six United States landfalling hurricanes, tied with 1886 and 2020 for the highest number on record. The season officially began on June 1 and lasted until November 30. It was an average season, with 11 named storms developing. This was partially attributed to a La Niña – a meteorological phenomenon that produces favorable conditions across the Atlantic basin, such as lower wind shear and higher sea surface temperatures. The first storm, Ana, developed on July 15 near Bermuda and caused minor effects in Canada while transitioning into an extratropical cyclone. Three other tropical cyclones – Claudette, Henri, and Isabel – did not significantly affect land. Claudette developed offshore of the Southeastern United States and brushed Bermuda and the Azores. Henri and Isabel were dissipating as they approached land. However, the precursor of the latter caused a severe flood in Puerto Rico that killed 180 people. Additionally, Tropical Storm Fabian and three tropical depressions did not have any known impact on land.

1989 Atlantic hurricane season Hurricane season in the Atlantic Ocean

The 1989 Atlantic hurricane season was an average season with 11 named storms. The season officially began on June 1, and ended on November 30. The first storm, Tropical Depression One, developed on June 15, and dissipated two days later without effects on land. Later that month, Tropical Storm Allison caused severe flooding, especially in Texas and Louisiana. Tropical Storm Barry, Tropical Depressions Six, Nine, and Thirteen, and Hurricanes Erin and Felix caused negligible impact. Hurricane Gabrielle and Tropical Storm Iris caused light effects on land, with the former resulting in nine fatalities from rip currents offshore the East Coast of the United States and Atlantic Canada, while the latter produced minor flooding in the United States Virgin Islands.

1990 Atlantic hurricane season Hurricane season in the Atlantic Ocean

The 1990 Atlantic hurricane season was the most active Atlantic hurricane season since 1969, with a total of 14 named storms. The season also featured eight hurricanes, one of which intensified into a major hurricane. It officially began on June 1, 1990, and lasted until November 30, 1990. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. However, tropical cyclogenesis can occur prior to the start of the season, as demonstrated with Tropical Depression One, which formed in the Caribbean Sea on May 24.

1990 Pacific hurricane season

The 1990 Pacific hurricane season was a very active season which observed 21 named storms within the basin. The season also produced the fourth highest ACE index value on record. The season was officially started on May 15 in the eastern Pacific, and on June 1 in the central Pacific, and lasted until November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the northeastern Pacific Ocean. However, these bounds were slightly exceeded when Hurricane Alma formed on May 12.

Timeline of the 2005 Atlantic hurricane season Timeline of a tropical cyclone season

The 2005 Atlantic hurricane season was an event in the annual tropical cyclone season in the north Atlantic Ocean. It was the second most active Atlantic hurricane season in recorded history, and the most extreme in the satellite era. Officially, the season began on June 1, 2005 and ended on November 30, 2005. These dates, adopted by convention, historically delimit the period in each year when most tropical systems form. The season's first storm, Tropical Storm Arlene, developed on June 8. The final storm, Tropical Storm Zeta, formed in late December and persisted until January 6, 2006. Zeta is only the second December Atlantic storm in recorded history to survive into January, joining Hurricane Alice in 1955.

Hurricane Emily (1987)

Hurricane Emily was a powerful tropical cyclone that struck Hispaniola in September 1987. It was the first hurricane in the Caribbean Sea since Hurricane Katrina of 1981 and had the second-fastest forward speed of a 20th-century hurricane, behind only the 1938 New England hurricane. The twelfth tropical cyclone, fifth named storm, second hurricane, and only major hurricane to develop during the below-average 1987 Atlantic hurricane season, Emily formed out of a tropical disturbance that moved off the west coast of Africa on September 20, the storm quickly attained hurricane status before undergoing rapid intensification. On September 22. The storm attained its peak intensity with winds of 125 mph (205 km/h) and a barometric pressure of 958 mbar later that day. The storm weakened to Category 2 status before making landfall in the Dominican Republic. After weakening to a tropical storm, Emily rapidly tracked northeastward through the Atlantic Ocean, undergoing a second phase of rapid intensification before passing directly over Bermuda on September 25. The following day the final public advisory from the National Hurricane Center was issued on the storm as it transitioned into an extratropical cyclone.

Hurricane Bertha (1990)

Hurricane Bertha caused minor damage in the United States, Bermuda, and Atlantic Canada in July and August 1990. The third tropical cyclone, second named storm, and first hurricane of the 1990 Atlantic hurricane season, Bertha developed from a frontal low pressure area offshore of North Carolina on July 24. Initially subtropical, it slowly acquired tropical characteristics while tracked southeast and then southwestward. By early on July 27, the cyclone was re-classified as a tropical depression. Following its transition, the depression intensified and was upgraded to Tropical Storm Bertha on July 28. The storm then curved northeastward and rapidly strengthened. Bertha became a hurricane early on July 29, though it weakened back to a tropical storm later that day. On the following day, Bertha re-intensified into a hurricane and peaked as an 80 mph (130 km/h) Category 1 hurricane on July 31.

Hurricane Arlene (1987)

Hurricane Arlene was a long-lived tropical cyclone that moved eastward in an erratic fashion in the northern Atlantic Ocean in mid-August 1987. The first named storm of the 1987 Atlantic hurricane season, Arlene formed out of an area of low pressure associated with a decaying frontal system along the North Carolina coastline, Arlene tracked in a general eastward direction across the Atlantic Ocean, taking an erratic track with several curves. On August 13, the storm brushed Bermuda as a weak tropical storm before continuing out to sea. On August 20, the storm briefly stalled before becoming a hurricane two days later. Early on August 24, the storm transitioned into an extratropical cyclone over the far north Atlantic before curving southeast and dissipating near the Iberian Peninsula on August 26.

Timeline of the 1987 Atlantic hurricane season Timeline of a tropical cyclone season

The 1987 Atlantic hurricane season was an event in the annual Atlantic hurricane season in the north Atlantic Ocean. It was a below-average season, having fewer named storms than in a normal year, that resulted in little impact throughout the Atlantic basin; the United States recorded no hurricane-related fatalities, making the 1987 season the fourth to do so since 1976. The season officially began on June 1, 1987 and ended November 30, 1987. These dates, adopted by convention, historically describe the period in each year when most systems form. Even so, a pre-season storm, Tropical Depression One, led to the season's starting on May 25. Storm activity ended several weeks early; the final storm of the season, Tropical Depression Fourteen, dissipated on November 4.

Hurricane Arlene (1963)

Hurricane Arlene was the first tropical cyclone of the 1963 Atlantic hurricane season and one of the wettest storms ever recorded in Bermuda. Originating from a tropical depression on July 31, Arlene quickly intensified into a Category 2 hurricane on August 2. After attaining this intensity, the storm quickly weakened and turned west. By August 4, Arlene had degenerated into a tropical depression. The storm failed to re-organize until August 7, by which time it restrengthened into a tropical storm. The following day, Arlene re-attained hurricane-status before passing directly over Bermuda. Several hours after passing the island, it reached its peak intensity with winds of 115 mph (160 km/) and a barometric pressure of 969 mbar. By August 11, Arlene transitioned into an extratropical cyclone before being absorbed by another cyclone later that day.

Timeline of the 1999 Atlantic hurricane season Timeline of a tropical cyclone season

The 1999 Atlantic hurricane season was an event in the annual tropical cyclone season in the north Atlantic Ocean. This Atlantic hurricane season saw a near-average number of named tropical storms, though five of them became dangerous hurricanes of Category 4 intensity on the 5-level Saffir–Simpson scale, the most in a single season since 1886. The season officially began on June 1, 1999 and ended on November 30, 1999. These dates, adopted by convention, historically describe the period in each year when most tropical systems form. This season's first storm, Tropical Storm Arlene, formed on June 11, while the last, Hurricane Lenny, dissipated on November 23.

Timeline of the 2011 Atlantic hurricane season Timeline of a tropical cyclone season

The 2011 Atlantic hurricane season was an event in the annual hurricane season in the north Atlantic Ocean. It was well above average in the number of tropical cyclones that formed, at 19. Even so, it was the first season on record in which the first eight storms failed to attain hurricane strength. The season officially began on June 1, 2011, and ended on November 30, 2011, dates that conventionally delimit the period of each year when most tropical cyclones develop in the Atlantic basin. The season's first storm, Tropical Storm Arlene did not form until June 28. The final storm to develop, Tropical Storm Sean, dissipated on November 11.

2017 Atlantic hurricane season Hurricane season in the Atlantic Ocean

The 2017 Atlantic hurricane season was an extremely active tropical cyclone season and the costliest on record, with a damage total of at least $294.92 billion (USD). The season featured 17 named storms, 10 hurricanes, and 6 major hurricanes, making the season the sixth-most active Atlantic hurricane season on record, tied with 1936. Most of the season's damage was due to hurricanes Harvey, Irma, and Maria. Another notable hurricane, Nate, was the worst natural disaster in Costa Rican history. The names Harvey, Irma, Maria, and Nate were retired following the season due to the number of deaths and amount of damage they caused. Collectively, the tropical cyclones were responsible for at least 3,364 deaths—the most fatalities in a single season since 2005. The season also had the highest accumulated cyclone energy (ACE) since 2005, with a record three hurricanes each generating an ACE of over 40: Irma, Jose, and Maria.

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