092  
ABPZ30 KNHC 011528  
TWSEP  
 
MONTHLY TROPICAL WEATHER SUMMARY  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
800 AM PDT SUN SEP 1 2019  
 
FOR THE EASTERN NORTH PACIFIC, EAST OF 140 DEGREES WEST LONGITUDE:  
 
TROPICAL CYCLONE ACTIVITY DURING AUGUST WAS BELOW AVERAGE FOR THE  
EASTERN NORTH PACIFIC BASIN, WITH THREE NAMED STORMS FORMING DURING  
THE MONTH AND NONE OF THEM BECOMING HURRICANES. BASED ON A 30-YEAR  
(1981-2010) CLIMATOLOGY, THREE TO FOUR NAMED STORMS TYPICALLY FORM  
DURING AUGUST, WITH TWO OF THOSE STORMS BECOMING HURRICANES AND ONE  
REACHING MAJOR HURRICANE INTENSITY. THIS IS THE FIRST TIME SINCE  
1973 THAT NO HURRICANES HAVE BEEN OBSERVED IN THE BASIN DURING  
AUGUST.  
 
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 2019 IS BELOW NORMAL.  
 
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=EPAC  
 
SUMMARY TABLE  
 
NAME DATES MAX WIND (MPH)  
---------------------------------------------------  
H ALVIN 25-29 JUN 75  
MH BARBARA 30 JUN- 6 JUL 155  
TS COSME 6- 7 JUL 50*  
TD FOUR-E 12-13 JUL 35*  
TS DALILA 22-25 JUL 45*  
MH ERICK 27 JUL- 4 AUG 130**  
H FLOSSIE 28 JUL- 5 AUG 80  
TS GIL 3- 4 AUG 40  
TS HENRIETTE 12-13 AUG 40  
TS IVO 21-25 AUG 65  
---------------------------------------------------  
 
* DENOTES A STORM FOR WHICH THE POST-STORM ANALYSIS IS COMPLETE.  
** MAXIMUM WINDS (MPH) OCCURRED IN THE CENTRAL PACIFIC BASIN.  
 

 
HURRICANE SPECIALIST UNIT  
 
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