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 November.

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 www.hurricanes.gov/data/tcr/index.php?season=2019&basin=atl

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

Preliminary Atlantic Tropical Cyclone Tracks
Preliminary Atlantic Tropical Cyclone Tracks