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 Atlantic Monthly Summary Atlantic | East Pacific 
ABNT30 KNHC 011206

Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
800 AM EDT Tue Sep 1 2020

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

Tropical cyclone activity in the Atlantic basin during the month of 
August was slightly above average in terms of the number of named 
storms that developed.  Four named storms formed during the month, 
with two of them becoming hurricanes, including Hurricane Laura 
that intensified into a major hurricane.  One tropical depression 
also formed at the end of the month offshore of the southeastern 
U.S. coast. Based on a 30-year climatology (1981-2010), three named 
storms typically form in the basin in August, with one or two of 
them becoming hurricanes, and one of them becoming a major 

In terms of Accumulated Cyclone Energy (ACE), which measures the 
strength and duration of tropical storms and hurricanes, activity 
in the basin so far in 2020 has also been above average, about 40 
percent above the long-term mean.

Reports on individual cyclones, when completed, are available at
the National Hurricane Center website at

Summary Table

Name                  Dates          Max Wind (mph)
TS  Arthur          16-19 May            60
TS  Bertha          27-28 May            50
TS  Cristobal        1-9  Jun            60
TS  Dolly           22-24 Jun            45
TS  Edouard          4-6  Jul            45
TS  Fay              9-11 Jul            60
TS  Gonzalo          1-25 Jul            65
H   Hanna           23-27 Jul            90
H   Isaias          30 Jul- 5 Aug        85
TD  Ten             31 Jul- 1 Aug        35
TS  Josephine       11-16 Aug            45
TS  Kyle            14-16 Aug            50
MH  Laura           20-28 Aug           150
H   Marco           20-25 Aug            75
TD  Fifteen     31 Aug-                  35

Hurricane Specialist Unit

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