483  
ABPZ30 KNHC 010513  
TWSEP  
 
MONTHLY TROPICAL WEATHER SUMMARY  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
800 AM PDT SAT DEC 1 2018  
 
FOR THE EASTERN NORTH PACIFIC, EAST OF 140 DEGREES WEST LONGITUDE:  
 
ONE TROPICAL STORM (XAVIER) FORMED IN NOVEMBER IN THE BASIN, AND ON  
AVERAGE A TROPICAL STORM OCCURS ONCE EVERY SECOND OR THIRD YEAR IN  
THE MONTH.  
 
OVERALL, THE 2018 EASTERN PACIFIC HURRICANE SEASON FEATURED WELL  
ABOVE AVERAGE ACTIVITY. THERE WERE 22 NAMED STORMS, OF WHICH 12  
BECAME HURRICANES AND 9 BECAME MAJOR HURRICANES - CATEGORY 3 OR  
HIGHER ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. THIS COMPARES  
TO THE LONG-TERM AVERAGES OF 15 NAMED STORMS, 8 HURRICANES, AND 4  
MAJOR HURRICANES. THERE WERE ALSO 3 TROPICAL DEPRESSIONS THAT DID  
NOT REACH TROPICAL STORM STRENGTH. IN TERMS OF ACCUMULATED CYCLONE  
ENERGY (ACE), WHICH MEASURES THE STRENGTH AND DURATION OF TROPICAL  
STORMS AND HURRICANES, ACTIVITY IN THE BASIN IN 2018 WAS THE 3RD  
HIGHEST ON RECORD, BEHIND 1990 AND 1992.  
 
REPORTS ON INDIVIDUAL CYCLONES, WHEN COMPLETED, ARE AVAILABLE AT  
THE NATIONAL HURRICANE CENTER WEBSITE AT:  
WWW.HURRICANES.GOV/DATA/TCR/INDEX.PHP?SEASON=2018&BASIN=EPAC  
 
SUMMARY TABLE  
 
NAME DATES MAX WIND (MPH)  
---------------------------------------------------  
TD ONE-E 10-11 MAY 35*  
MH ALETTA 6-11 JUN 140*  
MH BUD 9-15 JUN 140*  
TS CARLOTTA 14-18 JUN 65  
TS DANIEL 24-26 JUN 45  
TS EMILIA 27 JUN- 2 JUL 60*  
H FABIO 30 JUN- 6 JUL 110*  
TS GILMA 26-29 JUL 45*  
TD NINE-E 26-27 JUL 35*  
MH HECTOR 31 JUL-15 AUG 155*/**  
TS ILEANA 4- 7 AUG 65*  
H JOHN 5-10 AUG 105  
TS KRISTY 7-11 AUG 70  
MH LANE 15-28 AUG 160**  
H MIRIAM 26 AUG- 2 SEP 100**  
MH NORMAN 28 AUG- 8 SEP 150  
MH OLIVIA 1-13 SEP 130  
TS PAUL 8-11 SEP 45  
TD NINETEEN-E 19-20 SEP 35*  
MH ROSA 25 SEP- 2 OCT 145  
MH SERGIO 29 SEP-12 OCT 140  
TS TARA 15-16 OCT 60  
TS VICENTE 19-23 OCT 50  
MH WILLA 20-24 OCT 160  
TS XAVIER 2- 6 NOV 60  
---------------------------------------------------  
 
* DENOTES A STORM FOR WHICH THE POST-STORM ANALYSIS IS COMPLETE  
(EAST OF 140W, WITHIN NHC'S AREA OF RESPONSIBILITY).  
** MAX WIND (MPH) OCCURRED IN THE CENTRAL PACIFIC BASIN.  
 

 
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