Hurricane TOMAS

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BULLETIN
HURRICANE TOMAS SPECIAL ADVISORY NUMBER   7
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL     AL212010
600 PM AST SAT OCT 30 2010
 
...OBSERVATIONS FROM ST. LUCIA INDICATE THAT TOMAS HAS
STRENGTHENED...
 
 
SUMMARY OF 600 PM AST...2200 UTC...INFORMATION
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LOCATION...13.5N 61.6W
ABOUT 45 MI...75 KM WSW OF ST. LUCIA
ABOUT 30 MI...50 KM WNW OF ST. VINCENT
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/HR
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 10 MPH...17 KM/HR
MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES
 
 
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT...
 
A HURRICANE WARNING IS IN EFFECT FOR...
* ST. VINCENT AND THE GRENADINES
* ST. LUCIA
* MARTINIQUE
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* DOMINICA
* TOBAGO
* GRENADA
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 HOURS.
PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE COMPLETE.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN
THE NEXT 12 HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
 
DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 600 PM AST...2200 UTC...THE CENTER OF HURRICANE TOMAS WAS LOCATED
NEAR LATITUDE 13.5 NORTH...LONGITUDE 61.6 WEST.  TOMAS IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/HR...AND THIS MOTION
IS EXPECTED TO CONTINUE THROUGH SUNDAY.  ON THE FORECAST TRACK...THE
CENTER OF TOMAS WILL CONTINUE TO MOVE AWAY FROM ST. LUCIA AND ST.
VINCENT THIS EVENING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/HR...WITH HIGHER
GUSTS BASED ON RECENT REPORTS FROM THE METEOROLOGICAL SERVICE OF ST.
LUCIA.  TOMAS IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE.  SOME ADDITIONAL STRENGTHENING IS FORECAST
DURING THE NEXT 48 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.  
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 982 MB...29.00 INCHES.
 
 
HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE CONDITIONS ARE OCCURRING ON ST. LUCIA AND ARE ALSO
LIKELY OCCURRING WITHIN OTHER PORTIONS OF THE HURRICANE WARNING
AREA.  THESE CONDITIONS WILL IMPROVE OVER THE NEXT SEVERAL HOURS AS
TOMAS MOVES FARTHER AWAY FROM THE WINDWARD ISLANDS.  TROPICAL STORM
CONDITIONS ARE ALSO OCCURRING ON THE OTHER ISLANDS WITHIN THE
TROPICAL STORM WARNING AREA.
 
RAINFALL...TOMAS IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS
OF 4 TO 6 INCHES...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 8
INCHES...ACROSS PORTIONS OF THE WINDWARD AND SOUTHERN LEEWARD
ISLANDS.
 
STORM SURGE...A DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY
AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS WITHIN AREAS OF
ONSHORE FLOW. THE SURGE WILL BE ACCOMPANIED BY LARGE AND
POTENTIALLY DESTRUCTIVE WAVES.
 
 
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 PM AST.
NEXT COMPLETE ADVISORY...1100 PM AST.
 
$$
FORECASTER BERG/FRANKLIN
 
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