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Category: Miscellaneous Tropical Weather

Could the Atlantic hurricane season start date be moved up to May 15 soon?

Could the Atlantic hurricane season start date be moved up to May 15 soon?

Since 1965, the Atlantic hurricane season has been defined to be between June 1 and November 30. That could change soon if the recent trend of pre-season Atlantic tropical cyclone activity continues. The month of May has had 10 subtropical or tropical cyclone formations since 2007, 9 of which became named storms. None of these storms have reached hurricane strength, and there has not been a May hurricane recorded in the Atlantic basin since Alma in 1970. Since 2012, 7…

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2020, the most active Atlantic hurricane season on record, officially ends

2020, the most active Atlantic hurricane season on record, officially ends

Many events were canceled in 2020. The 2020 Atlantic hurricane season was not one of them. The long, record-breaking, and unusual 2020 Atlantic hurricane season officially ended November 30. The 2020 Atlantic hurricane season broke 2005’s record of 28 with 30 named storms. The season also featured 13 hurricanes (the second-most on record) and 6 major hurricanes (tied for the second-most on record). The season also featured a record-breaking 12 tropical storm or greater landfalls over the United States, and…

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2020 Atlantic hurricane season names

2020 Atlantic hurricane season names

With the start of the 2020 Atlantic hurricane season quickly approaching and the first named storm – Arthur – likely this weekend, I figured it would be a good time to review the names being used for this season. Arthur’s previous incarnation in 2014 became the earliest hurricane to make landfall in North Carolina, but since the name was not retired, it is going to be used again this year. Several other names that have been used several times are…

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Slightly above average but destructive 2018 Atlantic hurricane season ends

Slightly above average but destructive 2018 Atlantic hurricane season ends

As usual, November 30 marks the official end of the Atlantic and Eastern Pacific hurricane seasons. Activity this season spanned approximately five months, with Tropical Storm Alberto forming as a subtropical depression May 25 over the Northwestern Caribbean, and ending on October 31 with the extratropical transition of Hurricane Oscar over the central Atlantic. The 2018 Atlantic hurricane season produced 16 tropical cyclones, 15 named storms, 8 hurricanes, and 2 major (Category 3+) hurricanes, with an approximate Accumulated Cyclone Energy…

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The 2018 Atlantic hurricane season officially begins today

The 2018 Atlantic hurricane season officially begins today

Today is June 1, which marks the official start of the 2018 Atlantic hurricane season, which will run for 183 days until November 30. It should be noted that we recently had Subtropical Storm Alberto in late May, so the season has already started. The 6-month period from June 1 to November 30 accounts for roughly 97 percent of all tropical cyclone activity in the Atlantic Ocean. Activity sharply peaks around September 10, with a secondary peak around October 20….

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2018 Eastern Pacific hurricane names

2018 Eastern Pacific hurricane names

With the first tropical cyclone of 2018 potentially on the horizon for the Eastern Pacific basin, I thought it would be a good time to review the names that will be used this season in the basin. Just like the Atlantic basin, the Eastern Pacific has six rotating name lists that alternate between male and female names. There is one significant exception, however: the Eastern Pacific has names that start with X, Y and Z that alternate in odd and…

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World Meteorological Organization retires four Atlantic storm names

World Meteorological Organization retires four Atlantic storm names

The World Meteorological Organization (WMO) announced Thursday morning at the 40th session of the RA IV hurricane committee that they had retired four Atlantic storm names from List III of the six rotating hurricane naming lists. The WMO retired the names Harvey, Irma, Maria and Nate – the four most destructive storms of the costliest-on-record 2017 Atlantic hurricane season.  They have been replaced with Harold, Idalia, Margot and Nigel respectively. The four names retired is the most since the 2005…

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Uptick in African tropical wave activity likely next week, weak deep tropics development not out of the question

Uptick in African tropical wave activity likely next week, weak deep tropics development not out of the question

The CFSv2 and GFS models are consistent with showing an increase in upward motion in the eastern tropical Atlantic in about 7-10 days. In addition, the models show well above-normal rainfall just off the coast of Africa. This indicates that a major uptick in African tropical waves is likely soon, with stronger, more vigorous waves emerging into the Atlantic. Tropical wave activity in the Atlantic typically begins in mid-to-late May and lasts until November, occasionally early December, with a peak…

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2017 East Pacific hurricane season names

2017 East Pacific hurricane season names

Much like in the Atlantic, the National Hurricane Center (NHC) names tropical storms and hurricanes in the Eastern Pacific Ocean east of 140°W. The East Pacific hurricane season officially begins tomorrow, and the NHC will begin issuing routine Tropical Weather Outlooks through November 30 starting tomorrow morning. The first East Pacific named storm – Adrian – has already formed; last week it became the earliest named storm on record to form in the East Pacific proper. However, Adrian quickly dissipated…

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2017 Atlantic hurricane season names

2017 Atlantic hurricane season names

Every year, the National Hurricane Center names tropical storms and hurricanes, based on a list of names created by the World Meteorological Organization (WMO). There are 6 naming lists that recycle every 6 years. Names of unusually destructive tropical storms and hurricanes may be retired the following spring. The names that will be used for the 2017 Atlantic hurricane season are: Arlene (already used)  Bret Cindy Don Emily Franklin Gert Harvey Irma Jose Katia Lee Maria Nate Ophelia Philippe Rina…

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