000
WTNT22 KNHC 180859
TCMAT2
 
TROPICAL STORM HELENE FORECAST/ADVISORY NUMBER  11
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072012
0900 UTC SAT AUG 18 2012
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
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 21.6N  97.0W AT 18/0900Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT   6 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS  35 KT WITH GUSTS TO  45 KT.
34 KT.......  0NE  30SE  30SW   0NW.
12 FT SEAS..  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 21.6N  97.0W AT 18/0900Z
AT 18/0600Z CENTER WAS LOCATED NEAR 21.3N  96.5W
 
FORECAST VALID 18/1800Z 21.9N  97.6W...NEAR THE COAST
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE  30SE  30SW   0NW.
 
FORECAST VALID 19/0600Z 22.4N  98.1W...INLAND
MAX WIND  35 KT...GUSTS  45 KT.
34 KT...  0NE  30SE   0SW   0NW.
 
FORECAST VALID 19/1800Z 23.1N  97.9W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.
 
FORECAST VALID 20/0600Z 23.8N  97.8W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.
 
FORECAST VALID 21/0600Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N  97.0W
 
NEXT ADVISORY AT 18/1500Z
 
$$
FORECASTER CANGIALOSI