815  
ABPZ30 KNHC 011844 CCA  
TWSEP  
 
MONTHLY TROPICAL WEATHER SUMMARY...CORRECTED  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
800 AM PST THU DEC 01 2016  
 
CORRECTED ULIKA IN SUMMARY TABLE TO SHOW THAT PEAK INTENSITY WAS  
REACHED IN THE EASTERN NORTH PACIFIC BASIN.  
 
FOR THE EASTERN NORTH PACIFIC, EAST OF 140 DEGREES WEST LONGITUDE:  
 
ONE NAMED STORM, TINA, FORMED IN THE EASTERN NORTH PACIFIC BASIN IN  
NOVEMBER. IN ADDITION, TROPICAL STORM OTTO MOVED INTO THE BASIN FROM  
THE NORTH ATLANTIC BASIN IN NOVEMBER. BASED ON A 30-YEAR (1981-2010)  
CLIMATOLOGY, A NAMED STORM FORMS IN NOVEMBER IN THE BASIN ONLY ABOUT  
ONCE EVERY FOUR YEARS.  
 
FOR 2016, THE BASIN WAS QUITE ACTIVE WITH 21 NAMED STORMS THAT  
OCCURRED IN THE BASIN, ALONG WITH 11 HURRICANES, AND 5 MAJOR  
HURRICANES. THERE WAS ONE UNNAMED DEPRESSION AND A SECOND DEPRESSION  
THAT FORMED IN THE BASIN AND BECAME A TROPICAL STORM (ULIKA) IN THE  
CENTRAL NORTH PACIFIC BASIN BEFORE MOVING BACK INTO THE EASTERN  
NORTH PACIFIC AND BECOMING A HURRICANE. THE LEVEL OF ACTIVITY IN  
2016 WAS ABOVE THE LONG-TERM MEANS OF 16 NAMED STORMS, 8 HURRICANES,  
AND 4 MAJOR HURRICANES.  
 
IN TERMS OF ACCUMULATED CYCLONE ENERGY (ACE), WHICH MEASURES THE  
COMBINED STRENGTH AND DURATION OF TROPICAL STORMS AND HURRICANES,  
ACTIVITY IN THE BASIN IN 2016 WAS ABOVE NORMAL. THE ACE VALUE FOR  
THE SEASON WAS ABOUT 44 PERCENT HIGHER THAN THE 1981-2010 MEDIAN AND  
WAS THE 9TH HIGHEST ACE IN THE BASIN SINCE RELIABLE RECORDS BEGAN  
IN 1971. THE PERIOD FROM JULY THROUGH SEPTEMBER WAS ESPECIALLY BUSY,  
WITH 18 NAMED STORMS OCCURING, WHICH IS THE MOST SINCE 1971 IN ANY  
THREE-MONTH TIME PERIOD.  
 
REPORTS ON INDIVIDUAL CYCLONES, WHEN COMPLETED, ARE AVAILABLE AT THE  
NATIONAL HURRICANE CENTER WEBSITE AT  
WWW.NHC.NOAA.GOV/DATA/TCR/INDEX.PHP?SEASON=2016&BASIN=EPAC .  
 
SUMMARY TABLE  
 
NAME DATES MAX WIND (MPH)  
---------------------------------------------------  
TD ONE-E 6- 7 JUN 35*  
TS AGATHA 2- 5 JUL 50*  
MH BLAS 3-10 JUL 140  
H CELIA 6-15 JUL 100  
MH DARBY 11-26 JUL 120*  
TS ESTELLE 15-21 JUL 70*  
H FRANK 21-28 JUL 85*  
MH GEORGETTE 21-27 JUL 130*  
TS HOWARD 31 JUL- 3 AUG 60  
TS IVETTE 3- 8 AUG 60*  
TS JAVIER 7- 9 AUG 65  
TS KAY 18-23 AUG 55*  
MH LESTER 24 AUG- 7 SEP 140  
MH MADELINE 26 AUG- 3 SEP 130**  
H NEWTON 4- 7 SEP 90  
H ORLENE 11-16 SEP 110  
H PAINE 18-21 SEP 90  
TS ROSLYN 25-29 SEP 50  
H ULIKA 26-30 SEP 75***  
MH SEYMOUR 23-28 OCT 150  
TS TINA 14-15 NOV 40  
H OTTO 21-26 NOV 110^  
---------------------------------------------------  
 
* DENOTES A STORM FOR WHICH THE POST-STORM ANALYSIS IS COMPLETE.  
** PEAK INTENSITY REACHED IN THE CENTRAL NORTH PACIFIC BASIN.  
*** NAMED ASSIGNED BY CENTRAL PACIFIC HURRICANE CENTER AFTER  
THE DEPRESSION MOVED WEST OF 140W LONGITUDE.  
^ OTTO MOVED INTO THE EASTERN NORTH PACIFIC BASIN AS A TROPICAL  
STORM AFTER REACHING ITS PEAK INTENSITY IN THE ATLANTIC BASIN.  
 

 
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