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Hurricane OMAR


ZCZC MIATCPAT5 ALL
TTAA00 KNHC DDHHMM
BULLETIN
HURRICANE OMAR ADVISORY NUMBER  10
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL152008
500 PM AST WED OCT 15 2008

...OMAR CONTINUES TO STRENGTHEN AS IT MOVES CLOSER TO THE NORTHERN
LEEWARD ISLANDS...
...HEAVY RAINBANDS ALREADY AFFECTING THE VIRGIN ISLANDS...
 
A HURRICANE WARNING IS IN EFFECT FOR THE U.S. VIRGIN ISLANDS AND THE
ISLANDS OF VIEQUES AND CULEBRA.
 
A HURRICANE WARNING IS ALSO IN EFFECT FOR ST. MARTIN/MAARTEN...
SABA...ST. EUSTATIUS...ST. BARTHELEMY...THE BRITISH VIRGIN
ISLANDS...AND ANGUILLA.
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.  PREPARATIONS TO
PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A HURRICANE WATCH AND A TROPICAL STORM WARNING REMAIN IN EFFECT FOR
PUERTO RICO...AND ALSO FOR THE ISLANDS OF ST. KITTS AND NEVIS.
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA...IN THIS CASE..WITHIN THE NEXT 24 HOURS.
 
A TROPICAL STORM WARNING IS IN EFFECT FOR ANTIGUA...BARBUDA...AND
MONTSERRAT.
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS.
 
A TROPICAL STORM WATCH IS IN EFFECT FOR GUADELOUPE.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 500 PM AST...2100Z...THE CENTER OF HURRICANE OMAR WAS LOCATED
BY AN AIR FORCE RESERVE UNIT HURRICANE HUNTER AIRCRAFT  NEAR
LATITUDE 15.9 NORTH...LONGITUDE 66.1 WEST OR ABOUT 150 MILES...
245 KM...SOUTHWEST OF ST. CROIX AND ABOUT 175 MILES...280 KM...
SOUTH OF SAN JUAN PUERTO RICO.
 
OMAR IS MOVING TOWARD THE NORTHEAST NEAR 15 MPH...24 KM/HR. A
GRADUAL INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT
DAY OR TWO.  ON THE FORECAST TRACK...OMAR IS EXPECTED TO MOVE
THROUGH THE NORTHERN LEEWARD ISLANDS LATE TONIGHT AND EARLY
THURSDAY.
 
DATA FROM A HURRICANE HUNTER AIRCRAFT INDICATE MAXIMUM SUSTAINED
WINDS HAVE INCREASED TO NEAR 90 MPH...150 KM/HR...WITH HIGHER
GUSTS.  OMAR IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE.  ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 24
HOURS...AND OMAR SHOULD BE A CATEGORY 2 HURRICANE BY THE TIME IT
REACHES THE NORTHERN LEEWARD ISLANDS.  ALSO...STRONGER WINDS...
ESPECIALLY IN GUSTS...ARE LIKELY OVER ELEVATED TERRAIN.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115
MILES...185 KM.
 
THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY A HURRICANE HUNTER
AIRCRAFT WAS 973 MB...28.73 INCHES.

OMAR IS EXPECTED TO PRODUCE TOTAL RAINFALL AMOUNTS OF 4 TO 8 INCHES
OVER PORTIONS OF THE NETHERLANDS ANTILLES...WITH MAXIMUM AMOUNTS OF
12 INCHES POSSIBLE. RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH MAXIMUM
AMOUNTS OF 6 INCHES ARE POSSIBLE ACROSS THE NORTHERN GUAJIRA
PENINSULA. TOTAL RAINFALL AMOUNTS OF 5 TO 10 INCHES...WITH MAXIMUM
AMOUNTS UP TO 20 INCHES...WILL BE POSSIBLE ACROSS PUERTO RICO AND
THE NORTHERN LEEWARD ISLANDS.  THESE RAINS COULD PRODUCE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.
 
COASTAL STORM SURGE FLOODING OF 1 TO 2 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED NEAR AND TO THE RIGHT OF THE PATH OF OMAR. IN ADDITION...
OMAR IS EXPECTED TO PRODUCE LARGE SWELLS THAT WILL AFFECT THE WEST-
AND SOUTH-FACING COASTS OF PUERTO RICO AND THE ISLANDS OF THE
LESSER ANTILLES. THESE SWELLS COULD CAUSE BEACH EROSION AND DAMAGE
TO COASTAL STRUCTURES.

REPEATING THE 500 PM AST POSITION...15.9 N...66.1 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 15 MPH.  MAXIMUM SUSTAINED WINDS...90 MPH.
MINIMUM CENTRAL PRESSURE...973 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM AST.
 
$$
FORECASTER STEWART
 
NNNN



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Page last modified: Tuesday, 21-Apr-2009 12:09:25 UTC