Tropical Storm Alberto

Forecast Advisory 3

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305
WTNT21 KNHC 200845
TCMAT1

TROPICAL STORM ALBERTO FORECAST/ADVISORY NUMBER 3
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012012
0900 UTC SUN MAY 20 2012

CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SAVANNAH RIVER TO SOUTH SANTEE RIVER SOUTH CAROLINA

A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 24 HOURS.

COASTAL INTERESTS ELSEWHERE FROM GEORGIA THROUGH THE OUTER BANKS OF
NORTH CAROLINA SHOULD MONITOR THE PROGRESS OF ALBERTO.

TROPICAL STORM CENTER LOCATED NEAR 31.7N 78.9W AT 20/0900Z
POSITION ACCURATE WITHIN 20 NM

PRESENT MOVEMENT TOWARD THE WEST-SOUTHWEST OR 245 DEGREES AT 5 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 998 MB
MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT.
34 KT....... 40NE 0SE 0SW 60NW.
12 FT SEAS.. 80NE 40SE 60SW 40NW.
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 31.7N 78.9W AT 20/0900Z
AT 20/0600Z CENTER WAS LOCATED NEAR 31.8N 78.7W

FORECAST VALID 20/1800Z 31.4N 79.3W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 40NE 20SE 20SW 60NW.

FORECAST VALID 21/0600Z 31.2N 79.5W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 40NE 20SE 20SW 60NW.

FORECAST VALID 21/1800Z 31.6N 78.8W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 30SE 30SW 40NW.

FORECAST VALID 22/0600Z 32.8N 77.1W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 50NE 30SE 30SW 30NW.

FORECAST VALID 23/0600Z 36.2N 72.6W...POST-TROPICAL
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 60NE 50SE 40SW 40NW.

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 24/0600Z 39.0N 68.5W...POST-TROPICAL
MAX WIND 35 KT...GUSTS 45 KT.

OUTLOOK VALID 25/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.7N 78.9W

NEXT ADVISORY AT 20/1500Z

$$
FORECASTER CANGIALOSI/BROWN