Hurricane Isaac
Forecast Advisory 6
462
WTNT24 KNHC 221446
TCMAT4
TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 6
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012
1500 UTC WED AUG 22 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...
* MARTINIQUE
* DOMINICA
* GUADELOUPE AND THE SURROUNDING ISLANDS...AND ST. MARTIN
* ST. KITTS...NEVIS...ANTIGUA...BARBUDA...MONTSERRAT...AND ANGUILLA
* SABA...ST. EUSTATIUS...AND ST. MAARTEN
* BRITISH VIRGIN ISLANDS
* PUERTO RICO...VIEQUES...CULEBRA...AND THE U.S. VIRGIN ISLANDS
A HURRICANE WATCH IS IN EFFECT FOR...
* PUERTO RICO...VIEQUES...CULEBRA...AND THE U.S. AND BRITISH VIRGIN
ISLANDS
* SOUTH COAST OF DOMINICAN REPUBLIC FROM ISLA SAONA WESTWARD TO THE
HAITI-DOMINICAN REPUBLIC SOUTHERN BORDER
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH COAST OF DOMINICAN REPUBLIC FROM THE HAITI-DOMINICAN
REPUBLIC NORTHERN BORDER EASTWARD TO NORTH OF ISLA SAONA
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE
WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR
DANGEROUS.
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS.
INTERESTS IN HAITI AND CUBA SHOULD MONITOR THE PROGRESS OF
ISAAC.
TROPICAL STORM CENTER LOCATED NEAR 15.9N 59.3W AT 22/1500Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 18 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 50NE 30SE 0SW 50NW.
12 FT SEAS..180NE 30SE 0SW 60NW.
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 15.9N 59.3W AT 22/1500Z
AT 22/1200Z CENTER WAS LOCATED NEAR 15.9N 58.5W
FORECAST VALID 23/0000Z 16.3N 61.8W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 30SE 20SW 50NW.
FORECAST VALID 23/1200Z 16.8N 64.8W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 20NE 0SE 0SW 20NW.
34 KT... 60NE 40SE 30SW 60NW.
FORECAST VALID 24/0000Z 17.3N 67.8W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 30NE 20SE 0SW 30NW.
34 KT... 70NE 50SE 40SW 70NW.
FORECAST VALID 24/1200Z 17.8N 70.3W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT... 40NE 30SE 20SW 40NW.
34 KT... 90NE 60SE 40SW 90NW.
FORECAST VALID 25/1200Z 19.5N 74.5W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 40NE 30SE 20SW 40NW.
34 KT...110NE 70SE 50SW 100NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 26/1200Z 22.5N 78.5W
MAX WIND 60 KT...GUSTS 75 KT.
OUTLOOK VALID 27/1200Z 25.5N 81.5W
MAX WIND 70 KT...GUSTS 85 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.9N 59.3W
NEXT ADVISORY AT 22/2100Z
$$
FORECASTER BEVEN
671
WTNT25 KNHC 221450
TCMAT5
TROPICAL DEPRESSION TEN FORECAST/ADVISORY NUMBER 1
NWS NATIONAL HURRICANE CENTER MIAMI FL AL102012
1500 UTC WED AUG 22 2012
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
TROPICAL DEPRESSION CENTER LOCATED NEAR 12.4N 36.3W AT 22/1500Z
POSITION ACCURATE WITHIN 25 NM
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 14 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 12.4N 36.3W AT 22/1500Z
AT 22/1200Z CENTER WAS LOCATED NEAR 12.2N 35.7W
FORECAST VALID 23/0000Z 13.3N 38.1W
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 50NE 40SE 0SW 50NW.
FORECAST VALID 23/1200Z 14.3N 40.8W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 60NE 40SE 20SW 60NW.
FORECAST VALID 24/0000Z 15.2N 43.6W
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 40NE 20SE 0SW 40NW.
34 KT... 80NE 50SE 30SW 80NW.
FORECAST VALID 24/1200Z 16.2N 46.3W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 40SE 20SW 40NW.
34 KT...100NE 80SE 50SW 80NW.
FORECAST VALID 25/1200Z 18.5N 52.0W
MAX WIND 55 KT...GUSTS 65 KT.
50 KT... 50NE 40SE 20SW 40NW.
34 KT...100NE 80SE 50SW 80NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 26/1200Z 21.8N 58.0W
MAX WIND 55 KT...GUSTS 65 KT.
OUTLOOK VALID 27/1200Z 26.0N 64.0W
MAX WIND 60 KT...GUSTS 75 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 12.4N 36.3W
NEXT ADVISORY AT 22/2100Z
$$
FORECASTER KIMBERLAIN/ZELINSKY
