BONNIE MOVING INTO THE GULF-4AM UPDATE

000
WTNT33 KNHC 230850
TCPAT3
BULLETIN
TROPICAL STORM BONNIE ADVISORY NUMBER   4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL     AL032010
500 AM EDT FRI JUL 23 2010

...BONNIE MOVING FASTER TOWARD SOUTHERN FLORIDA...


SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...24.1N 78.6W
ABOUT 155 MI...250 KM SE OF MIAMI FLORIDA
ABOUT 165 MI...260 KM ESE OF MARATHON FLORIDA
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 18 MPH...30 KM/HR
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES


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

A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE NORTHERN GULF OF
MEXICO COAST FROM DESTIN FLORIDA WESTWARD TO MORGAN CITY LOUISIANA.

THE TROPICAL STORM WARNING FOR THE CENTRAL BAHAMAS HAS BEEN
DISCONTINUED.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* THE NORTHWESTERN BAHAMAS
* THE FLORIDA EAST COAST FROM DEERFIELD BEACH SOUTHWARD
INCLUDING THE ENTIRE FLORIDA KEYS AND FLORIDA BAY...AND ALONG THE
WEST COAST OF FLORIDA NORTHWARD TO ENGLEWOOD

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* THE EAST COAST OF FLORIDA NORTH OF DEERFIELD BEACH TO JUPITER
INLET INCLUDING LAKE OKEECHOBEE
* THE NORTHERN GULF COAST FROM DESTIN FLORIDA TO MORGAN CITY
LOUISIANA

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 WITHIN 48 HOURS.

INTERESTS ELSEWHERE ALONG THE NORTHERN GULF COAST SHOULD MONITOR THE
PROGRESS OF BONNIE.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED
STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE
FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE
UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM EDT...0900 UTC...THE CENTER OF TROPICAL STORM BONNIE WAS
LOCATED NEAR LATITUDE 24.1 NORTH...LONGITUDE 78.6 WEST. BONNIE IS
MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/HR.  THIS
MOTION IS EXPECTED TO CONTINUE DURING THE NEXT DAY OR SO.  ON THE
FORECAST TRACK...THE CENTER OF BONNIE IS EXPECTED TO PASS NEAR OR
OVER THE FLORIDA KEYS AND THE SOUTHERN FLORIDA PENINSULA LATER
TODAY...AND MOVE OVER THE EASTERN GULF OF MEXICO TONIGHT AND
SATURDAY.  BONNIE IS FORECAST TO APPROACH THE NORTHERN GULF COAST
LATE SATURDAY OR EARLY SUNDAY. 

MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/HR...WITH HIGHER
GUSTS.  SLOW STRENGTHENING IS POSSIBLE DURING THE NEXT 48 HOURS.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM
FROM THE CENTER.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1008 MB...29.77 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER PORTIONS OF THE
NORTHWESTERN BAHAMAS THIS MORNING.  TROPICAL STORM FORCE WINDS ARE
EXPECTED TO SPREAD OVER SOUTHERN FLORIDA AND THE KEYS IN THE
WARNING AREA LATER TODAY.

RAINFALL...BONNIE IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF
1 TO 3 INCHES OVER SOUTH FLORIDA...WITH POSSIBLE ISOLATED MAXIMUM
AMOUNTS OF 5 INCHES.  ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES
ARE POSSIBLE OVER THE NORTHWESTERN BAHAMAS.

STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO
2 FEET ABOVE GROUND LEVEL OVER PORTIONS OF THE NORTHWESTERN
BAHAMAS...THE FLORIDA KEYS...AND THE SOUTHERN FLORIDA PENINSULA.

TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER EXTREME SOUTHERN
FLORIDA LATER TODAY.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...800 AM EDT.
NEXT COMPLETE ADVISORY...1100 AM EDT.
 
072310_4am bonnie 

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