Timeline of the 2017 Atlantic hurricane season

Last updated

Timeline of the
2017 Atlantic hurricane season
2017 Atlantic hurricane season summary map.png
Season summary map
Season boundaries
First system formedApril 19, 2017
Last system dissipatedNovember 9, 2017
Strongest system
By maximum sustained windsIrma
Maximum winds180 mph (285 km/h)
(1-minute sustained)
Lowest pressure914 mbar (hPa; 26.99 inHg)
By central pressureMaria
Maximum winds175 mph (280 km/h)
(1-minute sustained)
Lowest pressure908 mbar (hPa; 26.81 inHg)
Longest lasting system
Name Jose
Duration17.25 days
Storm articles
Other years
2015, 2016, 2017, 2018, 2019

The 2017 Atlantic hurricane season was an event in the annual tropical cyclone season in the north Atlantic Ocean. This Atlantic hurricane season saw above-normal activity; [nb 1] it was the seventh most active season on record and the most active since 2005. [2] The season officially began on June 1, 2017 and ended on November 30, 2017. These dates, adopted by convention, historically describe the period in each year when most tropical systems form. [3] However, storm formation is possible at any time of the year, as demonstrated in 2017 by the formation of the season's first named storm, Tropical Storm Arlene, on April 19. The final storm of the season, Tropical Storm Rina degenerated to a remnant area of low pressure on November 9.

Contents

The 2017 season produced 17 named storms, of which 10 became hurricanes including six of which intensified into major hurricanes (Category 3, 4 or 5). Of those six, Harvey and Irma, became the first major hurricanes to make landfall on the continental United States in 12 years; [2] a third hurricane, Nate, did so as well. September was both the most active month in the season and the most active month for Atlantic hurricanes ever recorded. Four long-lived major hurricanes—Irma, Jose, Lee and Maria—moved through the Atlantic Basin, as did the short-lived Hurricane Katia. Overall, more accumulated cyclone energy was generated during September 2017 than during the entire 2016 season. [4] In April 2018, the World Meteorological Organization retired the names Harvey, Irma, Maria, and Nate from its rotating naming lists due to the number of deaths and amount of damage they caused, and they will not be used again for another Atlantic hurricane. [5]

This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. It includes information that was not released throughout the season, meaning that data from post-storm reviews by the National Hurricane Center, such as a storm that was not initially warned upon, has been included.

By convention, meteorologists use one time zone when issuing forecasts and making observations: Coordinated Universal Time (UTC), and also use the 24-hour clock (where 00:00 = midnight UTC). [6] The National Hurricane Center uses both UTC and the time zone where the center of the tropical cyclone is currently located. The time zones utilized (east to west) prior to 2020 were: Atlantic, Eastern, and Central. [7] In this timeline, all information is listed by UTC first with the respective regional time included in parentheses. Additionally, figures for maximum sustained winds and position estimates are rounded to the nearest 5 units (knots, miles, or kilometers), following the convention used in the National Hurricane Center's products. Direct wind observations are rounded to the nearest whole number. Atmospheric pressures are listed to the nearest millibar and nearest hundredth of an inch of mercury.

Timeline

Tropical Storm Philippe (2017)Hurricane Ophelia (2017)Hurricane NateHurricane MariaHurricane Katia (2017)Hurricane Jose (2017)Hurricane IrmaHurricane HarveyHurricane Gert (2017)Hurricane FranklinTropical Storm Emily (2017)Tropical Storm Cindy (2017)Tropical Storm Bret (2017)Saffir–Simpson scaleTimeline of the 2017 Atlantic hurricane season

April

April 19

Tropical Storm Arlene west of the Azores on April 20 Arlene 2017-04-20 1512Z.jpg
Tropical Storm Arlene west of the Azores on April 20

April 20

April 21

May

June

June 1

June 19

June 20

June 21

Infrared satellite loop of Tropical Storm Cindy making landfall in Louisiana on June 22 Cindy LA landfall.gif
Infrared satellite loop of Tropical Storm Cindy making landfall in Louisiana on June 22

June 22

June 23

July

July 5

July 6

July 7

July 17

July 18

July 30

Tropical Storm Emily shortly after Florida landfall on July 31 Emily 2017-07-31 1555Z.jpg
Tropical Storm Emily shortly after Florida landfall on July 31

July 31

August

August 1

August 2

August 7

August 8

Hurricane Franklin near peak intensity on August 9 Franklin 2017-08-09 1854Z (alternate).jpg
Hurricane Franklin near peak intensity on August 9

August 9

August 10

August 12

August 13

August 15

August 16

August 17

August 18

August 19

August 23

August 24

August 25

August 26

August 29

August 30

2017 Atlantic Hurricane storm tracks with IMERG precipitation and GOES clouds (from August 10 to September 23)

August 31

September

September 1

September 2

September 3

September 4

September 5

September 6

September 7

Three simultaneous hurricanes active in the Atlantic on September 8: Katia (left), Irma (center), and Jose (right) Katia, Irma, Jose 2017-09-08 1745Z-1935Z.jpg
Three simultaneous hurricanes active in the Atlantic on September 8: Katia (left), Irma (center), and Jose (right)

September 8

September 9

September 10

September 11

September 12

Map plotting the track and the intensity of Lee (starting at lower right corner) Lee 2017 track.png
Map plotting the track and the intensity of Lee (starting at lower right corner)

September 14

September 15

September 16

September 17

September 18

Hurricane Maria near peak intensity, moving towards Puerto Rico, on September 19 Maria 2017-09-19 2015Z.png
Hurricane Maria near peak intensity, moving towards Puerto Rico, on September 19

September 19

September 20

September 21

September 22

September 23

September 24

September 25

September 26

September 27

September 28

September 29

September 30

October

October 4

October 5

Rainbow infrared satellite loop of Hurricane Nate entering the Gulf of Mexico on October 7 Nate Rainbow 20171006 2015 UTC.gif
Rainbow infrared satellite loop of Hurricane Nate entering the Gulf of Mexico on October 7

October 7

October 8

October 9

Map plotting the track and the intensity of Ophelia (starting at lower left corner) Ophelia 2017 track.png
Map plotting the track and the intensity of Ophelia (starting at lower left corner)

October 11

October 12

October 13

October 14

October 15

October 16

October 28

October 29

Tropical Storm Rina moving across the northern Atlantic Ocean on November 8 Rina 2017-11-08 1350Z.jpg
Tropical Storm Rina moving across the northern Atlantic Ocean on November 8

November

November 5

November 7

November 8

November 9

November 30

See also

Notes

  1. An average Atlantic hurricane season, as defined by the National Oceanic and Atmospheric Administration, has 12 tropical storms, six hurricanes and two major hurricanes. [1]
  2. The National Hurricane Center initiated advisories on this system at 21:00 UTC (5:00 p.m. AST) on June 18, designating it Potential Tropical Cyclone Two. [9]
  3. The remnants of Bret moved westward across Central America and into the Eastern Pacific Ocean, where they contributed to the formation of Hurricane Dora on June 24. [11]
  4. The National Hurricane Center initiated advisories on this system at 21:00 UTC (4:00 p.m. CDT) on June 19, designating it Potential Tropical Cyclone Three. [12]
  5. The National Hurricane Center initiated advisories on this system at 21:00 UTC (5:00 p.m. EDT) on August 6, designating it Potential Tropical Cyclone Seven. [18]
  6. The remnants of Franklin moved westward across Mexico and into the Eastern Pacific Ocean, where they contributed to the formation of Tropical Storm Jova on August 11. [20]
  7. The National Hurricane Center initiated advisories on this system at 15:00 UTC (11:00 a.m. AST) on August 17, designating it Potential Tropical Cyclone Nine. [23]
  8. The remnants of Katia moved westward across Mexico and into the Eastern Pacific Ocean, where they contributed to the formation of Hurricane Otis on September 11. [32]
  9. The National Hurricane Center initiated advisories on this system at 15:00 UTC (11:00 a.m. AST) on September 16, designating it Potential Tropical Cyclone Fifteen. [34]
  10. Extratropical Ophelia moved across western Ireland, northern Scotland, the North Sea, and southern Norway as a European windstorm. [38]
  11. The National Hurricane Center initiated advisories on this system at 21:00 UTC (5:00 p.m. EDT) on October 27, designating it Potential Tropical Cyclone Eighteen. [39]
  12. Operationally, Philippe was assessed as crossing the Florida Keys and exiting into the western Atlantic, but post-season analysis showed that this was a non-tropical area of low pressure that was interacting with Philippe. [40]
  13. This extratropical system, as Cyclone Numa, moved across Europe and later acquired subtropical characteristics, becoming a rare "medicane". [42]

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