995  
ABNT30 KNHC 011200  
TWSAT  
 
MONTHLY TROPICAL WEATHER SUMMARY  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
800 AM EDT FRI SEP 01 2017  
 
FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO:  
 
FOUR NAMED STORMS AND FOUR HURRICANES, TWO OF WHICH BECAME MAJOR  
HURRICANES, FORMED IN THE ATLANTIC BASIN IN AUGUST. BASED ON A  
30-YEAR CLIMATOLOGY (1981-2010), THESE NUMBERS ARE ABOVE THE  
LONG-TERM AVERAGES OF THREE NAMED STORMS AND TWO HURRICANES.  
 
IN TERMS OF THE ACCUMULATED CYCLONE ENERGY (ACE), WHICH MEASURES THE  
COMBINED STRENGTH AND DURATION OF TROPICAL STORMS AND HURRICANES,  
ACTIVITY IN THE ATLANTIC BASIN SO FAR IN 2017 HAS BEEN NEAR AVERAGE.  
 
REPORTS ON INDIVIDUAL CYCLONES, WHEN COMPLETED, ARE AVAILABLE AT  
THE NATIONAL HURRICANE CENTER WEBSITE AT  
WWW.HURRICANES.GOV/DATA/TCR/INDEX.PHP?SEASON=2017&BASIN=ATL .  
 
SUMMARY TABLE  
 
NAME DATES MAX WIND (MPH)  
---------------------------------------------------  
TS ARLENE 19-21 APR 50*  
TS BRET 19-20 JUN 45  
TS CINDY 20-23 JUN 60  
TD FOUR 6- 7 JUL 30  
TS DON 17-18 JUL 50  
TS EMILY 31 JUL- 1 AUG 45  
H FRANKLIN 6-10 AUG 85  
H GERT 13-17 AUG 105  
MH HARVEY 17 AUG- 130  
MH IRMA 30 AUG- 115  
---------------------------------------------------  
 
* DENOTES A STORM FOR WHICH THE POST-STORM ANALYSIS IS COMPLETE.  
 

 
HURRICANE SPECIALIST UNIT  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page