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2023 Atlantic hurricane season
Summary2023wikitrack
Season summary map
Seasonal boundaries
First system formed August 1
Last system dissipated December 25
Strongest storm
Name Emily
 • Maximum winds 185 mph (295 km/h)
(1-minute sustained)
 • Lowest pressure 901 mbar (hPa; 26.61 inHg)
Seasonal statistics
Total depressions 22
Total storms 22
Hurricanes 8
Major hurricanes
(Cat. 3+)
6
Total fatalities >2270 total
Total damage $58.844 billion (2023 USD)
Atlantic hurricane seasons
2021, 2022, 2023, 2024, 2025

The 2023 Atlantic hurricane season was a hyperactive season in which 22 total storms formed, 8 of which became hurricanes, 6 became majors, 5 Category 4s and 3 Category 5s.

It had a late start in August, but due to the active late season full of weak storms the number skyrocketed. It was a destructive and deadly season, however most storms capable of causing massive damage missed land, with only Arlene making a major landfall. It was the first time a hurricane made landfall in Europe, with Arlene making landfall as a Category 4 storm, causing 57 billion dollars of damages and 51 fatalities.

The season had a late end, with Alpha dissipating over Central America on the second day of Christmas. Alpha was the deadliest storm, causing more than 2000 fatalities in Central America during the holiday period due to rain and mudslides.

The season had an unusually inactive Gulf Of Mexico, but the MDR was hyperactive, and the Carribean was a bit above average.

It was thought that due to the El Nino event of 2018 - 2023 the season would be inactive, but during winter it became neutral, and eventually flipped to a super Nina, which fueled the activity that would follow.

This season is one of only 7 to feature multiple Category 5 hurricanes. It had 3 - Don, Emily and Harold.

The season produced 243.6625 ACE units, 69.17 of those were produced by Hurricane Emily. It makes the season the 3rd most active since 1851, behind 2005 and 1933, and the second in the satellite era, only behind 2005. Emily came close to beating the single storm ACE record, but came a bit short. It also was one of five years since 1950 to have multiple storms above 40 ACE, with Don and Emily both reaching above 40.

This season started the 2023 - 2026 active La Nina streak.

Seasonal forecasts

In advance of, and during, each hurricane season, several forecasts of hurricane activity are issued by national meteorological services, scientific agencies, and noted hurricane experts. These include forecasters from the United States National Oceanic and Atmospheric Administration (NOAA)'s National Hurricane and Climate Prediction Center, Tropical Storm Risk, the United Kingdom's Met Office, and Philip J. Klotzbach, William M. Gray and their associates at Colorado State University (CSU). The forecasts include weekly and monthly changes in significant factors that help determine the number of tropical storms, hurricanes, and major hurricanes within a particular year. According to NOAA and CSU, the average Atlantic hurricane season between 1981 and 2010 contained roughly 12 tropical storms, six hurricanes, three major hurricanes, and an accumulated cyclone energy (ACE) index of 66–103 units. NOAA typically categorizes a season as either above-average, average, or below-average based on the cumulative ACE Index, but the number of tropical storms, hurricanes, and major hurricanes within a hurricane season are considered occasionally as well.

Pre-season outlooks

On December 5, 2022, TSR released their initial forecast of the season, calling for a below average season, with 5 named storms developing, 1 of them becoming a hurricane, and no storms reaching major hurricane status. They also predicted the ACE index to be below 30, due to an El Niño phase in the ENSO. On April 5th, the TSR updated their forecast to 4 named storms and no hurricanes or major hurricanes, due to apparently worse than expected conditions, and an ACE index below 15. NOAA released their prediction on the same day, predicting 15 named storms, 6 hurricanes, 3 major hurricanes, and an average or above average season, due to predictions calling for the El Niño to weaken or end. CSU also released their initial prediction, placing in between the TSR and NOAA with 9 named storms, 2 hurricanes, and 0 major hurricanes predicted, and an overall below normal season.

Mid-season outlooks

On June 1st, the CSU updated their forecast to 6 named storms, 1 hurricane, and no major hurricanes, based on yet worse conditions for hurricane development in the Atlantic. The TSR also updated their forecast, at 3 named storms and no hurricanes or major hurricanes, with the NOAA updating their forecast as well, at 11 named storms, 5 hurricanes, and two major hurricanes, with a normal to below normal season. On the 5th of July, UKMO released their only forecast for the season, at an extremely low rating of two named storms, two hurricanes, and no major hurricanes. The generally low forecasts were influenced by the present El Niño pattern. On the 1st of August, the NOAA updated their forecast, increasing the named storms by five to 16, the hurricanes by two to 7, and leaving the majors as is. On August 11th, the last updates were issued by CSU, calling for 9 named storms, 6 hurricanes and 2 majors, and TSR, calling for 8 named storms, 6 hurricanes, and 3 majors. In the end, the season outperformed all predictions.

Source Date Named

storms

Hurricanes Major

hurricanes

TSR December 5, 2022 5 1 0
TSR April 5, 2023 4 0 0
NOAA April 5, 2023 15 6 3
CSU April 5, 2023 9 2 0
CSU June 1, 2023 6 1 0
TSR June 1, 2023 3 0 0
NOAA June 1, 2023 11 5 2
UKMO July 5, 2023 2 2 0
NOAA August 1, 2023 16 7 2
CSU August 11, 2023 9 6 2
TSR August 11, 2023 8 6 3
–––––––––––––––––––––––––––––––––––––––––––––––––––––––
Actual activity 22 8 6

Seasonal summary

wikipedia:Saffir-Simpson Hurricane ScaleThe 2023 Atlantic hurricane season officially began on June 1st, 2023. However, the first system, Arlene, did not develop until August 1st. It was a hyperactive season and the second busiest on record, as well as the third highest ACE producing season on record, in which 22 systems formed, all of them became storms, 8 of the storms intensified into hurricanes, and a further 6 of those hurricanes intensified into majors. Due to a La Niña, a phase in the ENSO, unfavourable conditions were produced over the eastern Pacific, and favourable conditions were produced in the Atlantic, which resulted in the unusually high activity observed in the Atlantic. Overall the season caused $58.844 billion in damage, a majority of that figure coming from one storm - Arlene, and more than 2270 deaths, a majority of that figure being caused by Alpha.

Tropical cyclogenesis began in early August, with Arlene developing on the 1st of August. It was not named until the next day, resulting in one of the latest hurricane season starts on record. From August 1st to very late October, the season featured nearly constant tropical activity, however most of the storms were weak and short lived. August was a very active month, with 7 named storms forming, including the most powerful storm of the season - Emily, which lasted well into September. September had average storm formation statistics, with 3 named storms forming, the most powerful of them being Harold, which gave a major scare to the East Coast as it threatened to make a major landfall on the East Coast, before eventually turning away. In October, 6 storms formed, which was way above the average for the month. The most powerful storm in the month was Jose, however it formed in the previous month. November had a record breaking 4 storms, breaking the previous record of 3 storms set by 2005. The most powerful of those was Sean, a high end category 1 hurricane. December tied the highest number of named storms in the month at 2, with 1887 and 2005. The most powerful storm of December and the last storm of the season, Alpha, was the first storm to get named using the greek alphabet since Zeta in 2005, and produced torrential rainfall in Central America around christmas as a minimal category 1 hurricane.

The 2023 hurricane season was an unusual occurence and tied or broke some records. For one, Arlene was a record breaker storm, becoming the northeasternmost major and category 4 storm in the basin on record, the northeasternmost tropical storm force or higher landfall in the basin's history, most powerful landfall in Europe as it was a category 4 at landfall, an unprecedented occurence, and the costliest storm in Europe, totalling about $57 billion. This was also the first time on record that a storm produced winds of any category above tropical storm in Europe as a purely tropical system. Meanwhile, Emily nearly became the highest single ACE producer in the Atlantic, with 69.17 ACE units. Alpha became the deadliest December storm in the Atlantic, easily setting the record at over 2000.

The season's hyperactivity was reflected by an accumulated cyclone energy (ACE) rating of 243.6625, which is the third highest ACE rating in the basin's history, only below 1933 and 2005. 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. It is only calculated for full advisories on tropical systems at or exceeding 39 mph (63 km/h), which is tropical storm strength.

Systems

Hurricane Arlene

Category 4 hurricane (NHC)
Arlene2023atpeak.png 2023Arlenecrop.png
Duration August 1 – August 12
Peak intensity 140 mph (220 km/h) (1-min)  935 mbar (hPa)

On the 29th of July, the NHC noted a Tropical Wave forming over Africa. Over a couple of days, the wave formed into a Tropical Low. On the 1st of August, the low was classified as a Tropical Depression and given the designation 01L. On the 2nd, the depression intensified to Tropical Storm status. The storm, against all predictions, intensified to Category 4 intensity and made landfall on Portuguese soil at peak intensity on the 12th of August. Then it rapidly degenerated, and affected large parts of Europe as a Remnant Low. The storm caused 57 billion $ (2023) of damage and killed 51 people. It holds the record for the northeasternmost hurricane and major hurricane, landfall, hurricane landfall, major landfall, most powerful storm to affect Europe and northeasternmost retired storm.

Tropical Storm Bret

Tropical storm (NHC)
Bret2023updatedsim(bret2005).png 2023Bretcrop.png
Duration August 4 – August 4
Peak intensity 50 mph (85 km/h) (1-min)  998 mbar (hPa)

On the 3rd of August NHC gave a disturbance 80 / 80 chances of formation. On the 4th it became Tropical Storm Bret. It then quickly made landfall in Mexico. It dissipated as a remnant low on the 5th of August. It was an insignificant storm, only causing less than 5 million dollars of damages and 2 fatalities.

Tropical Storm Cindy

Tropical storm (NHC)
Cindysim2023better.png 2023Cindycrop.png
Duration August 6 – August 6
Peak intensity 45 mph (75 km/h) (1-min)  1007 mbar (hPa)

On the 4th of August the NHC noted a well organized area of thunderstorms. On the 6th it became TS Cindy and immediately landfalled in Florida. Then it became extratropical and dissipated on the 7th of August. It caused less than 1 million dollars of damages and 0 fatalities due to small size and weak intensity.

Hurricane Don

Category 5 hurricane (NHC)
Don2023Peak.png 2023Doncrop.png
Duration August 13 – August 22
Peak intensity 175 mph (280 km/h) (1-min)  925 mbar (hPa)

The NHC began tracking a disturbance on August 10th. It gradually organized, becoming a TD on August 13th. It then got the name Don and TS status. It quickly intensified to Category 5 status. An EWRC then weakened it back to Cat 4, later restrenghtening back to Cat 5. It then began to get carried away by the jet stream, but made an unusual turn and made landfall in New Jersey as a tropical storm. It then rapidly dissipated. It caused less than 250 million dollars of damages and 2 fatalities, due to small size and weak intensity at landfall.

Hurricane Emily

Category 5 hurricane (NHC)
2023Emilypeak.png 2023Emilycrop.png
Duration August 23 – September 5
Peak intensity 185 mph (295 km/h) (1-min)  901 mbar (hPa)

On the 23rd of August the NHC began tracking a tropical wave. It rapidly organized, becoming named a day later. It then intensified to Cat 5 status before weakening due to an EWRC, while doing a cyclonic loop. It then reintensified and peaked, but another EWRC weakened it to Cat 4 intensity again. It then got carried away in the jet stream while weakening. Due to it's failure at affecting land, it only did less than 1 million dollars of damage.

Tropical Storm Franklin

Tropical storm (NHC)
Franklin2023simbetterernesto2006.png 2023Franklincrop.png
Duration August 26 – August 28
Peak intensity 60 mph (95 km/h) (1-min)  991 mbar (hPa)

An organized area of thunderstorms formed near Hispaniola on the 25th of August. A day later it became a tropical depression. It then crossed Cuba before becoming a tropical storm. It made landfall at peak intensity in Florida. It then rapidly degenerated and dissipated on the 29th of August. It did less than 200 million dollars of damages and 10 fatalities, because the region is prepared for storms.

Tropical Storm Gert

Tropical storm (NHC)
Gert2023simbetter.png 2023Gertcrop.png
Duration August 29 – August 29
Peak intensity 50 mph (85 km/h) (1-min)  997 mbar (hPa)

An area of thunderstorms rapidly organized and became Tropical Storm Gert on the 29th of August. It then made landfall in Texas at peak intensity and then rapidly dissipated. It caused less than 525 million dollars of damages and 12 fatalities, mostly due to flooding.

Hurricane Harold

Category 5 hurricane (NHC)
Haroldsimbetter.png 2023Haroldcrop.png
Duration September 8 – September 19
Peak intensity 160 mph (260 km/h) (1-min)  929 mbar (hPa)
A tropical low formed on the 8th of September. It became a tropical storm the next day. It quickly intensified, becoming a hurricane on the 10th of September. It peaked as a Cat 5 just off the Georgian coastline, but due to small size it didn't affect land too much. It then weakened and turned east, Eventually turning post tropical and moving north, affecting Greenland. It only did less than 100 million dollars of damages and 5 fatalities, mostly due to rainfall.

Hurricane Idalia

Category 3 hurricane (NHC)
Idalia2023simbetter.png 2023Idaliacrop.png
Duration September 20 – September 29
Peak intensity 125 mph (205 km/h) (1-min)  949 mbar (hPa)

On the 20th of September at 18:00 UTC a tropical depression formed. The next day at 00:00 UTC it became TS Idalia. It then intensified and peaked for the first time as a Cat 2, before hitting Jamaica as a Cat 1 on the 23rd of September at 18:00 UTC. It then reintensified and peaked as a Cat 2 for the second time while making landfall in Cuba on the 24th of September at 12:00 UTC. After landfall it weakened to TS status but then reintensified. It had it's main peak as a strong Cat 3 on the 26th of September at 00:00 UTC. It then had a close approach to Bermuda and weakened while moving north. It made landfall in Canada on the 29th of September as a high end TD at 12:00 UTC and shortly thereafter dissipated. It caused less than 500 million in damages and 17 fatalities, mostly in Cuba.

Hurricane Jose

Category 4 hurricane (NHC)
2023Josesim.png 2023Josecrop.png
Duration September 30 – October 10
Peak intensity 155 mph (250 km/h) (1-min)  938 mbar (hPa)

On the 30th of September a TD formed. it quickly became TS Jose, and later, while doing a cyclonic loop, on the 2nd of October, Hurricane Jose. It then became a major for the first time, as a high end Cat 3. It peaked on the 4th of September for the first time. An EWRC then caused weakening. It weakened to Cat 2 status before reintensifying. It became a major again on the 5th of September. It became a Cat 4 on the 6th. It peaked at 00:00 UTC September 7 as a very high end Category 4 hurricane. Another EWRC then caused weakening, and the storm dissipated on the 10th of October. It caused no damages or fatalities due to minor land effects.

Tropical Storm Katia

Tropical storm (NHC)
Katiasimbetter.png 2023Katiacrop.png
Duration October 11 – October 14
Peak intensity 60 mph (95 km/h) (1-min)  992 mbar (hPa)

On the 11th of October a TD formed. The next day, at 06:00 UTC October 12th, it became a tropical storm and was named Katia. It then intensified, peaking at 06:00 October 13th as a moderate TS. It then weakened and dissipated on the 15th of October at 00:00 UTC. It caused a very small amount of damage due to not affecting land much.

Tropical Storm Lee

Tropical storm (NHC)
Leesim.png 2023Leecrop.png
Duration October 15 – October 17
Peak intensity 50 mph (85 km/h) (1-min)  995 mbar (hPa)

On the 15th of October a TD became designated. On the 16th, at 12:00 UTC it became TS Lee. It landfalled near Miami at peak intensity at 03:00 UTC, on the 17th of October. It then swiftly dissipated. The storm caused insignificant damage and 1 death.

Tropical Storm Margot

Tropical storm (NHC)
Margotsim.png 2023Margotcrop.png
Duration October 18 – October 20
Peak intensity 70 mph (110 km/h) (1-min)  989 mbar (hPa)

On the 18th of October a PTC was designated in the carribean. It became a TD at 18:00 of the same day. It became TS Margot at 12:00 UTC October 19th. It made landfall at peak intensity in Central America at 09:00 UTC October 20th. It then dissipated on the 21st. It caused insignificant damages and 15 fatalities.

Subtropical Storm Nigel

Subtropical storm (NHC)
Nigelsim(unnamed2013vis).png 2023Nigelcrop.png
Duration October 22 – October 24
Peak intensity 45 mph (75 km/h) (1-min)  1005 mbar (hPa)

On the 22nd of October a PTC formed. It became a SD at 18:00 UTC of the same day. It became a SS at 12:00 UTC October 23rd. It peaked 6 hours later, and became extratropical on the next day. It caused no damages or fatalities.

Tropical Storm Ophelia

Tropical storm (NHC)
Opheliasim.png 2023Opheliacrop.png
Duration October 25 – October 26
Peak intensity 40 mph (65 km/h) (1-min)  1008 mbar (hPa)

On the 25th of October another PTC formed in the Carribean, and became a TD at 18:00 UTC of the same day. It peaked at landfall as a minimal TS, at 12:00 UTC October 26th. It dissipated on the next day. It caused not a lot of damages, but it did cause 40 fatalities in Central America, due to the large amounts of rain it brought.

Tropical Storm Philippe

Tropical storm (NHC)
Philippe(deltavis).png 2023Philippecrop.png
Duration October 27 – October 31
Peak intensity 70 mph (110 km/h) (1-min)  991 mbar (hPa)

On the 27th of October, a PTC formed southwest of Cabo Verde. It moved west, and became a TD at 18:00 UTC on the same day, as a lot of storms did this season. At 12:00 UTC October 28th, it was designated a TS and began moving North. It peaked at 03:00 UTC October 30th as a near hurricane strength system. It became subtropical at 12:00 UTC of the same day. It became extratropical the next day. It had no effects on land.

Tropical Storm Rina

Tropical storm (NHC)
Rinasimbetter.png 2023Rinacrop.png
Duration November 1 – November 2
Peak intensity 50 mph (85 km/h) (1-min)  1001 mbar (hPa)

On the 1st of November, a PTC was designated in the Carribean yet again. It moved south - southwest for some time before becoming a depression, at 12:00 UTC of the same day. It peaked at landfall in Central America at 18:00 UTC November 2nd, as a 45 mph TS. It dissipated on the next day. It caused low damages but 35 deaths, again due to rain.

Hurricane Sean

Category 1 hurricane (NHC)
2023Seansim.png 2023Seancrop.png
Duration November 4 – November 11
Peak intensity 90 mph (150 km/h) (1-min)  981 mbar (hPa)

On the 4th of November a PTC formed west of Cabo Verde. It moved almost straight west. At 18:00 UTC of the same day, it became a depression. At 12:00 UTC November 5th, it became Tropical Storm Sean. It continuously intensified while moving west - southwest, and became a hurricane at 00:00 UTC November 8th. It peaked at 00:00 UTC November 9th, as a 90 mph Hurricane before making landfall in Barbados, and then and making landfall in St Vincent at 07:00 UTC of the same day as a slightly weakened hurricane. It then turned north, weakened below hurricane status at 06:00 UTC November 10th, and made landfall in Puerto Rico at 15:00 UTC as a strong Tropical Storm. It turned extratropical the next day, at 12:00 UTC while moving north. It caused less than 100 million dollars in damages and 15 fatalities.

Tropical Storm Tammy

Tropical storm (NHC)
Tammypeak-0.png 2023Tammycrop.png
Duration November 15 – November 15
Peak intensity 40 mph (65 km/h) (1-min)  1007 mbar (hPa)

On the 15th of November, a PTC formed. It organized quickly and became a depression at 12:00 UTC of the same day. It peaked at landfall as a minimal tropical storm at 18:00 UTC of the same day. On the next day it dissipated. It caused weak damages and 20 fatalities.

Tropical Storm Vince

Tropical storm (NHC)
Vincesim(bret2017).png 2023Vincecrop.png
Duration November 24 – November 24
Peak intensity 40 mph (65 km/h) (1-min)  1008 mbar (hPa)

On the 24th of November a PTC was designated. It became a depression at 06:00 UTC of the same day. It became a TS 6 hours later. It peaked at landfall in Trinidad at 15:00 UTC November 24th. It dissipated at 00:00 UTC November 25th. It caused insignificant damages and 10 fatalities.

Tropical Storm Whitney

Tropical storm (NHC)
Whitneysimbetter.png 2023Whitneycrop.png
Duration December 6 – December 7
Peak intensity 50 mph (85 km/h) (1-min)  1002 mbar (hPa)

On the 5th of December, yet another PTC formed. It became a depression at 00:00 UTC December 6th, and a storm at 00:00 UTC December 7th. It peaked as it was making landfall in Hispaniola at 18:00 UTC December 7th, and dissipated on the next day. It caused insignificant damages but it did cause 25 fatalities, msotly due to rainfall.

Hurricane Alpha

Category 1 hurricane (NHC)
Alpha2023simbetterimproved.png 2023Alphacrop.png
Duration December 23 – December 25
Peak intensity 75 mph (120 km/h) (1-min)  988 mbar (hPa)

A Potential Tropical Cyclone was designated in the eastern Carribean on the 22nd of December. It became a depression at 00:00 UTC December 23rd. It gained storm status at 00:00 December 24th, and became the first Greek Named storm since 2005, Alpha. It continuously intensified as it moved towards landfall in Central America, and became the 8th and final hurricane of the season with 75 mph winds as it was making landfall in Central America, at 06:00 UTC December 25th. It then extremely quickly deorganized as it was being shredded by the mountains, and in 6 hours it weakened from a minimal hurricane to a 35 mph remnant low. It dissipated at 06:00 December 26th. It caused less than 100 million dollars in damages but it caused a staggering over 2000 fatalities, due to very large amounts of rain, mudslides and people not being prepared for the storm due to Christmas.

Storm names

The following names were used for storms that developed in the Atlantic in 2023. This is the same list used in the 2017 season, except for Harold, Idalia, Margot and Nigel, which replaced retired names Harvey, Irma, Maria and Nate. The names not retired from this list will be used again in 2029. Storms were named Harold, Idalia, Margot, Nigel, and Whitney for the first time in 2023.

  • Arlene
  • Bret
  • Cindy
  • Don
  • Emily
  • Franklin
  • Gert
  • Harold
  • Idalia
  • Jose
  • Katia
  • Lee
  • Margot
  • Nigel
  • Ophelia
  • Philippe
  • Rina
  • Sean
  • Tammy
  • Vince
  • Whitney
  • Alpha

Retirement

Due to caused damage and deaths, on April 13, 2024, the World Meteorological Organization retired the name Arlene, which will be never again used for an Atlantic hurricane, due to a request from Spain, which is not a member of the Atlantic naming committee, however it was granted a possibility of a retirement request under an exception. It was replaced in the 2029 hurricane season by Abby.

Season effects

Saffir–Simpson hurricane wind scale
TD TS C1 C2 C3 C4 C5

This is a table of the storms and their effects in the 2023 Atlantic hurricane season. This table includes the storm's names, duration, peak intensity, Areas affected (bold indicates made landfall in that region at least once), damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but are still storm-related. Damage and deaths include totals while the storm was extratropical, a wave or a low. All of the damage figures are in 2023 USD (the listed damage figure is in millions).

2023 North Atlantic tropical cyclone statistics
Storm
name
Dates active Storm category

at peak intensity

Max 1-min
wind
mph (km/h)
Min.
press.
(mbar)
Areas affected Damage
(millions USD)
Deaths


Arlene August 1 – August 12 Category 4 hurricane 140 mph (220 km/h) 935 Spain, Portugal 57000 51
Bret August 4 – August 4 Tropical storm 50 mph (85 km/h) 998 Mexico <5 2
Cindy August 6 – August 6 Tropical storm 45 mph (75 km/h) 1007 Florida <1 0
Don August 13 – August 22 Category 5 hurricane 175 mph (280 km/h) 925 New Jersey <250 2
Emily August 23 – September 5 Category 5 hurricane 185 mph (295 km/h) 901 None <1 0
Franklin August 26 – August 28 Tropical storm 60 mph (95 km/h) 991 Hispaniola, Cuba, Florida <200 20
Gert August 29 – August 29 Tropical storm 50 mph (85 km/h) 997 Texas <525 12
Harold September 8 – September 19 Category 5 hurricane 160 mph (260 km/h) 929 Leeward Islands, Puerto Rico, Hispaniola, The Bahamas, US East Coast >100 5
Idalia September 20 – September 29 Category 3 hurricane 125 mph (205 km/h) 949 Venezuela, Jamaica, Cuba, The Bahamas, Canada <500 17
Jose September 30 – October 10 Category 4 hurricane 155 mph (250 km/h) 938 None 0 0
Katia October 11 – October 14 Tropical storm 60 mph (95 km/h) 992 Leeward Islands <1 0
Lee October 15 – October 17 Tropical storm 50 mph (85 km/h) 995 Florida, Cuba, The Bahamas <1 1
Margot October 18 – October 20 Tropical storm 70 mph (110 km/h) 989 Central America >10 15
Nigel October 22 – October 24 Tropical storm 45 mph (75 km/h) 1005 None 0 0
Ophelia October 25 – October 26 Tropical storm 40 mph (65 km/h) 1008 Costa Rica, Nicaragua <10 40
Philippe October 27 – October 31 Tropical storm 70 mph (110 km/h) 991 None 0 0
Rina November 1 – November 2 Tropical storm 50 mph (85 km/h) 1001 Costa Rica, Nicaragua <10 35
Sean November 4 – November 11 Category 1 hurricane 90 mph (150 km/h) 981 Leeward Islands, Puerto Rico <100 15
Tammy November 15 – November 15 Tropical storm 40 mph (65 km/h) 1007 Costa Rica, Nicaragua <10 20
Vince November 24 – November 24 Tropical storm 40 mph (65 km/h) 1008 Northern South America <10 10
Whitney December 6 – December 7 Tropical storm 50 mph (85 km/h) 1002 Hispaniola <10 25
Alpha December 23 – December 25 Category 1 hurricane 75 mph (120 km/h) 988 Latin America <100 2000