Tropical Storm HELENE
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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
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