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 Atlantic Monthly Summary Atlantic | East Pacific 
ABNT30 KNHC 010511

Monthly Tropical Weather Summary
NWS National Hurricane Center Miami FL
800 AM EST Sun Dec 1 2019

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

One tropical storm (Sebastien) formed in the Atlantic basin in the
month of November, and one subtropical storm (Rebekah) that formed
in October was still active when the month began.  On average, one
tropical storm forms in the basin every other year in the month of

Overall, the 2019 Atlantic hurricane season featured above normal
activity. Eighteen named storms formed, of which six became
hurricanes and three became major hurricanes - category 3 or higher
on the Saffir-Simpson Hurricane Wind Scale.  This compares to
the long-term average of twelve named storms, six hurricanes, and
three major hurricanes. There were also two tropical depressions
that did not reach tropical-storm strength. In terms of Accumulated
Cyclone Energy (ACE), which measures the combined strength and
duration of tropical storms and hurricanes, activity in the Atlantic
basin in 2019 was well 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)
STS Andrea         20-21 May            40*
H   Barry          11-15 Jul            75*
TD  Three          22-23 Jul            35*
TS  Chantal        21-23 Aug            40*
MH  Dorian     24 Aug- 7 Sep           185
TS  Erin           26-29 Aug            40*
TS  Fernand         3- 4 Sep            50
TS  Gabrielle       3-10 Sep            60
MH  Humberto       13-19 Sep           125
TS  Imelda         17-19 Sep            40
H   Jerry          17-25 Sep           105
TS  Karen          22-27 Sep            45
MH  Lorenzo    22 Sep- 2 Oct           160
TS  Melissa        11-14 Oct            65
TD  Fifteen        14-16 Oct            35*
TS  Nestor         18-19 Oct            60
TS  Olga              25 Oct            40
H   Pablo          25-28 Oct            80
STS Rebekah    30 Oct- 1 Nov            45
TS  Sebastien      19-24 Nov            55

* Denotes a storm for which the post-storm analysis is complete.

Hurricane Specialist Unit

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