HURRICANE TOMAS ADVISORY 8

[Nws Olney Maryland]

BULLETIN
HURRICANE TOMAS ADVISORY NUMBER 8
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL212010
1100 PM AST SAT OCT 30 2010

...CENTER OF TOMAS NOW OVER THE EASTERN CARIBBEAN SEA...TROPICAL
STORM CONDITIONS STILL OCCURRING IN PORTIONS OF THE WINDWARD
ISLANDS...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...13.6N 62.1W
ABOUT 65 MI...105 KM WNW OF ST. VINCENT
ABOUT 75 MI...120 KM W OF ST. LUCIA
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 9 MPH...15 KM/HR
MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...

THE GOVERNMENT OF BARBADOS HAS CHANGED THE HURRICANE WARNING FOR ST.
VINCENT AND THE GRENADINES TO A TROPICAL STORM WARNING.

THE GOVERNMENT OF ST. LUCIA HAS CHANGED THE HURRICANE WARNING FOR
ST. LUCIA TO A TROPICAL STORM WARNING.

THE GOVERNMENT OF FRANCE HAS CHANGED THE HURRICANE WARNING FOR
MARTINIQUE TO A TROPICAL STORM WARNING.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* DOMINICA
* MARTINIQUE
* ST. LUCIA
* ST. VINCENT AND THE GRENADINES
* TOBAGO
* GRENADA

THE GOVERNMENT OF TRINIDAD AND TOBAGO WILL BE DISCONTINUING THE
TROPICAL STORM WARNING FOR TOBAGO AND GRENADA AT MIDNIGHT AST.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE TOMAS WAS
LOCATED NEAR LATITUDE 13.6 NORTH...LONGITUDE 62.1 WEST. TOMAS IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/HR. THIS
GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SUNDAY NIGHT...
FOLLOWED BY A TURN TOWARD THE WEST ON MONDAY. ON THE FORECAST
TRACK...THE CENTER OF TOMAS WILL CONTINUE TO MOVE AWAY FROM THE
WINDWARD ISLANDS OVERNIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/HR...WITH HIGHER
GUSTS. TOMAS IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE
NEXT 48 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM. OVER THE PAST COUPLE OF HOURS...A WIND GUST TO 53
MPH...85 KM/HR...WAS REPORTED ON MARTINIQUE. A WIND GUST TO 49
MPH...80 KM/HR...WAS REPORTED ON BARBADOS WITHIN A RAINBAND WELL TO
THE EAST OF THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE FORCE WINDS HAVE MOVED WEST OF THE WINDWARD
ISLANDS. TROPICAL STORM CONDITIONS ARE STILL OCCURRING ON THE
ISLANDS WITHIN THE WARNING AREA AND ARE EXPECTED TO CONTINUE THROUGH
SUNDAY MORNING.

RAINFALL...TOMAS IS EXPECTED TO PRODUCE ADDITIONAL RAIN
ACCUMULATIONS OF 2 TO 3 INCHES ACROSS PORTIONS OF THE WINDWARD AND
SOUTHERN LEEWARD ISLANDS THROUGH SUNDAY. ISOLATED MAXIMUM STORM
TOTAL AMOUNTS OF 8 INCHES ARE POSSIBLE IN ASSOCIATION WITH TOMAS.

STORM SURGE...LARGE AND POTENTIALLY DESTRUCTIVE WAVES ARE STILL
POSSIBLE...BUT WATER LEVELS WITHIN THE WARNING AREA WILL CONTINUE TO
DIMINISH OVERNIGHT.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...200 AM AST.
NEXT COMPLETE ADVISORY...500 AM AST.