Tuesday, August 31, 2010

Major Hurricane Earl Public Advisory #27

000
WTNT32 KNHC 010243
TCPAT2
BULLETIN
HURRICANE EARL ADVISORY NUMBER 27
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072010
1100 PM AST TUE AUG 31 2010

...POWERFUL HURRICANE EARL CONTINUES MOVING NORTHWESTWARD...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...23.0N 69.9W
ABOUT 130 MI...210 KM NE OF GRAND TURK ISLAND
ABOUT 910 MI...1460 KM SSE OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/HR
PRESENT MOVEMENT...NW OR 315 DEGREES AT 15 MPH...24 KM/HR
MINIMUM CENTRAL PRESSURE...940 MB...27.76 INCHES


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

NONE.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT...

A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH OF SURF CITY NORTH CAROLINA TO THE NORTH CAROLINA/VIRGINIA BORDER...INCLUDING THE PAMLICO AND ALBEMARLE SOUNDS

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

A TROPICAL STORM WATCH IS IN EFFECT FOR...
* SOUTHEASTERN BAHAMAS
* CAPE FEAR TO SURF CITY

A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS.

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

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 THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
AT 1100 PM AST...0300 UTC...THE CENTER OF HURRICANE EARL WAS LOCATED NEAR LATITUDE 23.0 NORTH...LONGITUDE 69.9 WEST. EARL IS MOVING TOWARD THE NORTHWEST NEAR 15 MPH...24 KM/HR. THIS GENERAL MOTION IS EXPECTED TO CONTINUE ON WEDNESDAY WITH A GRADUAL TURN TO THE NORTH-NORTHWEST THEREAFTER. ON THE FORECAST TRACK...THE CORE OF THE HURRICANE WILL BE PASSING WELL EAST AND NORTHEAST OF THE TURKS AND CAICOS ISLANDS TONIGHT AND NORTHEAST OF THE BAHAMAS TOMORROW.

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. LITTLE CHANGE IN STRENGTH IS EXPECTED THROUGH WEDNESDAY.

EARL IS A LARGE HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM. NOAA BUOY 41046...LOCATED ABOUT 85 MILES NORTHWEST OF THE CENTER OF EARL...RECENTLY REPORTED SUSTAINED WINDS OF 57 MPH WITH GUSTS TO 67 MPH AND A PRESSURE OF 998 MB...29.47 INCHES.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 940 MB...27.76 INCHES.


HAZARDS AFFECTING LAND
----------------------
WINDS...TROPICAL STORM CONDITIONS ARE PROBABLY OCCURRING IN THE VICINITY OF THE TURKS AND CAICOS ISLANDS. WEATHER CONDITIONS WILL LIKELY IMPROVE IN THESE ISLANDS ON WEDNESDAY.

STORM SURGE...ABOVE NORMAL TIDES...ACCOMPANIED BY LARGE AND DANGEROUS BATTERING WAVES...ARE POSSIBLE IN THE TURKS AND CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMAS TONIGHT.

RAINFALL...RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES ARE EXPECTED FOR THE SOUTHEASTERN BAHAMAS AND FOR THE TURK AND CAICOS ISLANDS.


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

$$
FORECASTER PASCH/KIMBERLAIN