Tropical Depression HELENE

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TROPICAL DEPRESSION HELENE FORECAST/ADVISORY NUMBER  12
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072012
1500 UTC SAT AUG 18 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING
FROM BARRA DE NAUTLA TO LA CRUZ.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
THERE ARE NO COASTAL WATCHES AND WARNINGS IN EFFECT.
 
TROPICAL DEPRESSION CENTER LOCATED NEAR 22.0N  98.0W AT 18/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 KT.
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 22.0N  98.0W AT 18/1500Z
AT 18/1200Z CENTER WAS LOCATED NEAR 22.2N  97.8W
 
FORECAST VALID 19/0000Z 22.6N  98.7W...INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 19/1200Z 23.0N  98.8W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 20/0000Z 23.5N  98.5W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 20/1200Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.0N  98.0W
 
NEXT ADVISORY AT 18/2100Z
 
$$
FORECASTER BERG
 
 
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