Timeline of the 2017 Atlantic hurricane season

A map of the Atlantic Ocean depicting the tracks this season
Track map of all Atlantic tropical cyclones in 2017

The 2017 Atlantic hurricane season was an event in the annual tropical cyclone season in the North Hemisphere. 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 systems form.[1] However, systems can and do form outside these dates, such as Tropical Storm Arlene which formed on April 19.

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.

Timeline of events

Hurricane Ophelia (2017)Hurricane Nate (2017)Hurricane MariaHurricane Katia (2017)Hurricane Jose (2017)Hurricane IrmaHurricane HarveyHurricane GertHurricane FranklinTropical Storm Emily (2017)Tropical Storm Cindy (2017)Tropical Storm Bret (2017)Saffir–Simpson scale

April

April 19

April 20

Tropical Storm Arlene intensifying on April 20

April 21

June

June 1

  • The 2017 Atlantic hurricane season officially begins.[1]

June 18

June 19

Storm path of Tropical Storm Bret

June 20

June 21

June 22

Tropical Storm Cindy approaching Louisiana on June 21

June 23

July

July 5

July 6

July 7

  • 18:00 UTC (2:00 p.m. AST) – Tropical Depression Four dissipates over the central Atlantic.[7]
Tropical Storm Don approaching the Windward Islands on July 18

July 17

July 18

  • 00:00 UTC (8:00 p.m. AST July 17) at 11°12′N 53°48′W / 11.2°N 53.8°W / 11.2; -53.8 – Tropical Storm Don attains its peak intensity with maximum sustained winds of 50 mph (85 km/h) and a minimum barometric pressure of 1005 mbar (hPa; 29.68 inHg).[8]
  • 18:00 UTC (2:00 p.m. AST) – Tropical Storm Don dissipates southeast of Barbados.[8]
Emily near Florida on July 31

July 31

August

August 2

August 6

August 7

Franklin shortly after being upgraded to a hurricane

August 8

August 9

August 10

Gert as a Category 1 hurricane on August 15

August 13

August 15

August 16

August 17

August 19

August 20

August 23

August 24

Harvey near landfall in Texas on August 25

August 25

August 26

August 27

August 28

August 29

August 30

August 31

September

September 1

September 2

  • 12:00 UTC (8:00 a.m. AST) – Hurricane Irma weakens to a Category 2 hurricane about 1,160 miles (1,865 km) west-northwest of São Vicente, Cape Verde.[46]

September 3

  • 12:00 UTC (8:00 a.m. AST) – Hurricane Irma re-intensifies into a Category 3 hurricane about 915 miles (1,470 km) east of Barbuda.[46]

September 4

  • 18:00 UTC (2:00 p.m. AST) – Hurricane Irma intensifies into a Category 4 hurricane roughly 520 miles (835 km) east-southeast of Barbuda.[46]

September 5

September 6

  • 05:45 UTC (1:45 a.m. AST) – Hurricane Irma attains a minimum barometric pressure of 914 mbar (hPa; 26.99 inHg) and simultaneously makes landfall on Barbuda, with winds of 180 mph (290 km/h).[46]
  • 06:00 UTC (1:00 a.m. CDT) at 22°12′N 96°24′W / 22.2°N 96.4°W / 22.2; -96.4 – Tropical Depression Thirteen intensifies into Tropical Storm Katia about 95 miles (155 km) east of Tampico, Tamaulipas.[52]
  • 11:15 UTC (7:15 a.m. AST) – Hurricane Irma makes its second landfall on St. Martin, with winds of 180 mph (290 km/h).[46]
  • 16:30 UTC (12:30 p.m. AST) – Hurricane Irma makes its third landfall on Virgin Gorda, British Virgin Islands, with winds of 180 mph (290 km/h).[46]
  • 18:00 UTC (2:00 p.m. AST) at 13°42′N 45°12′W / 13.7°N 45.2°W / 13.7; -45.2 – Tropical Storm Jose intensifies into a Category 1 hurricane about 955 miles (1,535 km) east of Barbados.[51]
  • 18:00 UTC (1:00 p.m. CDT) at 21°48′N 95°12′W / 21.8°N 95.2°W / 21.8; -95.2 – Tropical Storm Katia intensifies into a Category 1 hurricane approximately 190 miles (305 km) north-northeast of Veracruz, Veracruz.[52]

September 7

September 8

Three simultaneous hurricanes active on September 8, with Katia (left), Irma (center), and Jose (right), the first such occurrence since 2010. All three were simultaneously threatening land at the time.

September 9

  • 00:00 UTC (8:00 p.m. AST September 8) at 16°42′N 58°54′W / 16.7°N 58.9°W / 16.7; -58.9 – Hurricane Jose attains a minimum barometric pressure of 938 mbar (hPa; 27.70 inHg).[51]
  • 00:00 UTC (7:00 p.m. CDT September 8) at 20°48′N 96°54′W / 20.8°N 96.9°W / 20.8; -96.9 – Hurricane Katia weakens to a Category 1 hurricane about 35 miles (55 km) southeast of Tuxpan, Veracruz.[52]
  • 03:00 UTC (11:00 a.m. EDT September 8) – Hurricane Irma makes its fifth landfall near Cayo Romano, Cuba, with winds of 165 mph (265 km/h).[46]
  • 03:00 UTC (10:00 p.m. CDT September 8) at 20°36′N 97°06′W / 20.6°N 97.1°W / 20.6; -97.1 – Hurricane Katia makes landfall in Tecolutla, Veracruz, with winds of 75 mph (120 km/h).[52]
  • 06:00 UTC (2:00 a.m. EDT) – Hurricane Irma weakens to a Category 4 hurricane about 265 miles (425 km) southeast of Key West, Florida.[46]
  • 06:00 UTC (1:00 a.m. CDT) at 20°18′N 97°24′W / 20.3°N 97.4°W / 20.3; -97.4 – Hurricane Katia weakens to a tropical storm approximately 110 miles (175 km) north-northwest of Veracruz, Veracruz.[52]
  • 12:00 UTC (8:00 a.m. EDT) – Hurricane Irma weakens to a Category 3 hurricane about 200 miles (320 km) southeast of Key West, Florida.[46]
  • 18:00 UTC (2:00 p.m. EDT) – Hurricane Irma weakens to a Category 2 hurricane about 140 miles (220 km) southeast of Key West, Florida.[46]
  • 18:00 UTC (1:00 p.m. CDT) – Tropical Depression Katia dissipates over the high terrain of eastern Mexico.[52]

September 10

  • 00:00 UTC (8:00 p.m. EDT September 9) – Hurricane Irma re-intensifies into a Category 3 hurricane about 95 miles (155 km) south-southeast of Key West, Florida.[46]
  • 06:00 UTC (2:00 a.m. EDT) – Hurricane Irma re-intensifies into a Category 4 hurricane about 65 miles (100 km) south-southeast of Key West, Florida.[46]
  • 13:00 UTC (9:00 a.m. EDT) – Hurricane Irma makes its sixth landfall on Cudjoe Key, Florida, with winds of 130 mph (215 km/h).[46]
  • 18:00 UTC (2:00 p.m. EDT) – Hurricane Irma weakens to a Category 3 hurricane about 25 miles (40 km) south of Marco Island, Florida.[46]
  • 18:00 UTC (2:00 p.m. AST) at 22°12′N 66°30′W / 22.2°N 66.5°W / 22.2; -66.5 – Hurricane Jose weakens to a Category 3 hurricane about 260 miles (420 km) north of San Juan, Puerto Rico.[51]
  • 19:30 UTC (3:30 p.m. EDT) – Hurricane Irma makes its seventh and final landfall near Marco Island, Florida, with winds of 115 mph (185 km/h).[46]

September 11

September 12

September 14

September 15

September 16

September 17

September 18

September 19

Maria as a Category 5 hurricane on 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

October 7

October 8

October 9

  • 09:00 UTC (05:00 a.m.) Tropical Depression Nate becomes a post-tropical cyclone over Ohio, Tropical Depression Seventeen forms over the eastern Atlantic Ocean.
  • 15:00 UTC (11:00 a.m) Tropical Depression Seventeen strengthens into Tropical Storm Ophelia.

October 16

  • Hurricane Ophelia dissipates.

October 27

October 28

October 29

November

November 5

November 7

November 8

November 9

November 30

  • The 2017 Atlantic hurricane season officially ends.[1]

See also

Footnotes

  1. The 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 operational products for each storm. All other units are rounded to the nearest digit.

References

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  74. Michael J. Brennan (October 27, 2017). Potential Tropical Cyclone Eighteen Public Advisory Number 1 (Report). Miami, Florida: National Hurricane Center. Retrieved March 9, 2018.
  75. 1 2 3 4 5 Daniel P. Brown (January 31, 2018). Tropical Cyclone Report: Tropical Storm Philippe (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 9, 2018.
  76. 1 2 3 4 5 John P. Cangialosi (January 9, 2018). Tropical Cyclone Report: Tropical Storm Rina (PDF) (Report). Miami, Florida: National Hurricane Center. Retrieved March 8, 2018.
Preceded by
2016
Atlantic hurricane season timelines
2017
Succeeded by
2018
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