HURRICANE EARL ADVISORY 24

[NHC Olney Maryland]

BULLETIN
HURRICANE EARL ADVISORY NUMBER 24
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010
500 AM AST TUE AUG 31 2010

...EARL GETTING FARTHER FROM PUERTO RICO...CONDITIONS EXPECTED TO
IMPROVE OVER PUERTO RICO AND THE VIRGIN ISLANDS TODAY... NOAA HURRICANE HUNTERS FIND NO CHANGE IN EARL...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...20.5N 66.7W
ABOUT 150 MI...240 KM NNW OF SAN JUAN PUERTO RICO
ABOUT 290 MI...470 KM ESE OF GRAND TURK ISLAND
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 13 MPH...20 KM/HR
MINIMUM CENTRAL PRESSURE...931 MB...27.49 INCHES


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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PUERTO RICO...INCLUDING THE ISLANDS OF CULEBRA AND VIEQUES
* U.S. VIRGIN ISLANDS
* BRITISH VIRGIN ISLANDS
* TURKS AND CAICOS ISLANDS

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTHEASTERN BAHAMAS

INTERESTS FROM THE CAROLINAS NORTHWARD TO NEW ENGLAND SHOULD MONITOR
THE PROGRESS OF EARL.

FOR STORM INFORMATION SPECIFIC TO PUERTO RICO AND THE U.S. VIRGIN
ISLANDS...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE
MONITOR PRODUCTS ISSUED BY THE SAN JUAN NATIONAL WEATHER SERVICE
FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE
THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 500 AM AST...0900 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED
NEAR LATITUDE 20.5 NORTH...LONGITUDE 66.7 WEST. EARL IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 13 MPH...20 KM/HR. A GRADUAL TURN
TOWARD THE NORTHWEST IS EXPECTED TODAY...WITH THE NORTHWESTWARD
MOTION EXPECTED TO CONTINUE THROUGH WEDNESDAY. ON THE FORECAST
TRACK...THE CENTER OF EARL WILL MOVE AWAY FROM PUERTO AND THE
VIRGIN ISLANDS THIS MORNING...AND CROSS THE OPEN ATLANTIC EAST OF
THE TURKS AND CAICOS ISLANDS LATER TODAY AND TONIGHT.

MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER
GUSTS. EARL IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE. SOME FLUCTUATIONS IN STRENGTH ARE LIKELY
OVER THE NEXT 24 TO 48 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200
MILES...325 KM. NOAA BUOY 41043...LOCATED ABOUT 115 MILES...185 KM
EAST-NORTHEAST OF THE CENTER...RECENTLY REPORTED 1-MINUTE WINDS OF
63 MPH...101 KM/HR...WITH A GUST OF 78 MPH...126 KM/HR.

MINIMUM CENTRAL PRESSURE REPORTED BY A NOAA HURRICANE HUNTER AIRCRAFT IS 931 MB...27.49 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...TROPICAL STORM CONDITIONS WILL GRADUALLY SUBSIDE OVER THE
BRITISH AND U.S. VIRGIN ISLANDS AND PUERTO RICO TODAY. STRONGER
WINDS...ESPECIALLY IN GUSTS...ARE LIKELY OVER ELEVATED TERRAIN IN
PUERTO RICO. TROPICAL STORM CONDITIONS ARE EXPECTED TO BEGIN TO
SPREAD INTO THE TURKS AND CAICOS ISLANDS BY THIS AFTERNOON.

STORM SURGE...STORM SURGE FLOODING AND WAVES WILL BEGIN TO DIMINISH
IN PUERTO AND THE VIRGIN ISLANDS TODAY. ABOVE NORMAL TIDES...
ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...ARE POSSIBLE
IN THE TURKS AND CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMAS.

RAINFALL...EARL IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL
ACCUMULATIONS OF 1 TO 2 INCHES ACROSS PORTIONS OF THE U. S. VIRGIN
ISLANDS AND PUERTO RICO TODAY. ISOLATED MAXIMUM STORM TOTAL
AMOUNTS OF 12 INCHES ARE POSSIBLE IN ASSOCIATION WITH EARL. THESE
RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORIES...700 AM AST AND 900 AM AST.
NEXT COMPLETE ADVISORY...1100 AM AST.