152  
ABNT30 KNHC 010511  
TWSAT  
 
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  
 
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