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Tropical Storm HELENE


ZCZC MIATCMAT2 ALL
TTAA00 KNHC DDHHMM
 
TROPICAL STORM HELENE SPECIAL FORECAST/ADVISORY NUMBER   9
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072012
2130 UTC FRI AUG 17 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WARNING FOR THE
COAST OF MEXICO FROM BARRA DE NAUTLA TO LA CRUZ.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE COAST OF MEXICO FROM BARRA DE NAUTLA TO LA CRUZ
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN THE
NEXT 24 HOURS.
 
TROPICAL STORM CENTER LOCATED NEAR 20.6N  96.1W AT 17/2130Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT   6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1004 MB
MAX SUSTAINED WINDS  40 KT WITH GUSTS TO  50 KT.
34 KT.......  0NE  30SE  30SW   0NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 20.6N  96.1W AT 17/2130Z
AT 17/1800Z CENTER WAS LOCATED NEAR 20.3N  95.9W
 
FORECAST VALID 18/0600Z 21.1N  96.9W
MAX WIND  45 KT...GUSTS  55 KT.
34 KT... 20NE  40SE  40SW  20NW.
 
FORECAST VALID 18/1800Z 22.1N  98.1W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT... 30NE  30SE   0SW  20NW.
 
FORECAST VALID 19/0600Z 22.9N  99.0W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 19/1800Z 23.5N  99.5W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 20/1800Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.6N  96.1W
 
NEXT ADVISORY AT 18/0300Z
 
$$
FORECASTER BRENNAN
 
 
NNNN


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Page last modified: Monday, 31-Dec-2012 12:09:20 UTC