HURRICANE EARL ADVISORY 21A

[NHC Olney Maryland]

BULLETIN
HURRICANE EARL INTERMEDIATE ADVISORY NUMBER 21A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL072010
100 PM AST MON AUG 30 2010

...EARL CONTINUES TO STRENGTHEN...


SUMMARY OF 100 PM AST...1700 UTC...INFORMATION
----------------------------------------------
LOCATION...19.0N 64.0W
ABOUT 75 MI...120 KM ENE OF ST. THOMAS
ABOUT 140 MI...230 KM ENE OF SAN JUAN PUERTO RICO
MAXIMUM SUSTAINED WINDS...125 MPH...205 KM/HR
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...955 MB...28.20 INCHES


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

THE GOVERNMENT OF ANTIGUA AND BARBUDA HAS DISCONTINUED THE TROPICAL
STORM WARNING FOR ANTIGUA...BARBUDA...MONTSERRAT...ST. KITTS...AND
NEVIS.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WARNING IS IN EFFECT FOR...
* ANGUILLA
* SAINT MARTIN AND SAINT BARTHELEMY
* ST. MAARTEN...SABA...AND ST. EUSTATIUS
* BRITISH VIRGIN ISLANDS
* U.S. VIRGIN ISLANDS
* PUERTO RICAN ISLANDS OF CULEBRA AND VIEQUES

A HURRICANE WATCH IS IN EFFECT FOR...
* PUERTO RICO

A TROPICAL STORM WARNING IS IN EFFECT FOR...
* PUERTO RICO

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* TURKS AND CAICOS ISLANDS

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 100 PM AST...1700 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED
NEAR LATITUDE 19.0 NORTH...LONGITUDE 64.0 WEST. EARL IS MOVING
TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR. THIS GENERAL
MOTION IS EXPECTED TODAY AND TONIGHT...FOLLOWED BY A TURN
TOWARD THE NORTHWEST ON TUESDAY. ON THE FORECAST TRACK...THE CENTER
OF EARL WILL PASS NEAR OR OVER THE NORTHERNMOST VIRGIN ISLANDS THIS
AFTERNOON AND THIS EVENING.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 125 MPH...205
KM/HR...WITH HIGHER GUSTS. EARL IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING
IS FORECAST DURING THE NEXT 48 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 185
MILES...295 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 955 MB...28.20 INCHES.


HAZARDS AFFECTING LAND
----------------------
WIND...HURRICANE CONDITIONS ARE SPREADING ACROSS THE NORTHERN
VIRGIN ISLANDS. TROPICAL STORM CONDITIONS WILL SPREAD OVER PORTIONS
OF PUERTO RICO THIS AFTERNOON...WITH HURRICANE CONDITIONS POSSIBLE
THIS EVENING AND TONIGHT. STRONGER WINDS...ESPECIALLY IN
GUSTS...ARE LIKELY OVER ELEVATED TERRAIN IN PUERTO RICO.

STORM SURGE...STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 3 TO
5 FEET ABOVE GROUND LEVEL PRIMARILY NEAR THE COAST IN AREAS OF
ONSHORE WIND WITHIN THE HURRICANE WARNING AREA...AND 1 TO 3 FEET IN
THE TROPICAL STORM WARNING AREA. THE SURGE WILL BE ACCOMPANIED BY
LARGE AND DANGEROUS BATTERING WAVES.

RAINFALL...EARL IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS
OF 4 TO 8 INCHES OVER THE LEEWARD ISLANDS...THE VIRGIN ISLANDS AND
PUERTO RICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 12 INCHES...
ESPECIALLY OVER HIGHER ELEVATIONS. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUDSLIDES.


NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY...300 PM AST.
NEXT COMPLETE ADVISORY...500 PM AST.