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WTNT31 KNHC 081758
TCPAT1
BULLETIN
HURRICANE IDA SPECIAL ADVISORY NUMBER 19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
1200 PM CST SUN NOV 08 2009
...HURRICANE WATCH EXTENDED EASTWARD ALONG THE NORTHERN GULF
COAST...IDA STRENGTHENS A LITTLE...
AT 1200 PM CST...1800 UTC...A HURRICANE WATCH HAS BEEN ISSUED EAST
OF THE MISSISSIPPI/ALABAMA BORDER TO MEXICO BEACH FLORIDA. A
HURRICANE WATCH IS NOW IN EFFECT FROM GRAND ISLE LOUISIANA TO
MEXICO BEACH FLORIDA. THIS WATCH DOES NOT INCLUDE THE CITY OF NEW
ORLEANS. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
A HURRICANE WARNING REMAINS IN EFFECT FOR THE YUCATAN PENINSULA OF
MEXICO FROM PLAYA DEL CARMEN TO CABO CATOCHE. A HURRICANE WARNING
MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE
WARNING AREA WITHIN 24 HOURS. PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION IN THE WARNING AREA.
A HURRICANE WATCH REMAINS IN EFFECT FOR THE YUCATAN PENINSULA OF
MEXICO FROM TULUM TO PLAYA DEL CARMEN. A HURRICANE WATCH MEANS THAT
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA.
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE YUCATAN PENINSULA
OF MEXICO FROM PUNTA ALLEN NORTHWARD TO PLAYA DEL CARMEN AND FROM
CABO CATOCHE WESTWARD TO SAN FELIPE. A TROPICAL STORM WARNING
MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE
WARNING AREA WITHIN 24 HOURS.
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CUBAN PROVINCE OF
PINAR DEL RIO.
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE ISLE OF YOUTH.
INTERESTS ELSEWHERE ALONG THE NORTHERN COAST OF THE GULF OF MEXICO
SHOULD MONITOR THE PROGRESS OF IDA. ADDITIONAL TROPICAL CYCLONE
WATCHES OR WARNINGS MAY BE REQUIRED LATER TODAY.
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 OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR NATIONAL METEOROLOGICAL SERVICE.
AT 1200 PM CST...1800 UTC...THE CENTER OF HURRICANE IDA WAS LOCATED
NEAR LATITUDE 21.7 NORTH...LONGITUDE 86.1 WEST OR ABOUT 100 MILES...
155 KM...NORTH-NORTHEAST OF COZUMEL MEXICO AND ABOUT 75 MILES...
125 KM...WEST OF THE WESTERN TIP OF CUBA.
IDA IS MOVING TOWARD THE NORTHWEST NEAR 10 MPH...17 KM/HR. A TURN
TOWARD THE NORTH-NORTHWEST AND AN INCREASE IN FORWARD SPEED ARE
EXPECTED DURING THE NEXT 24 HOURS...WITH A TURN TOWARD THE NORTH
LIKELY BY TUESDAY. ON THE FORECAST TRACK....THE CENTER OF IDA
SHOULD MOVE INTO THE GULF OF MEXICO THIS AFTERNOON...AND BE NEAR THE
NORTHERN GULF COAST BY TUESDAY.
REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 100 MPH...
160 KM/HR...WITH HIGHER GUSTS. IDA IS A CATEGORY TWO HURRICANE ON
THE SAFFIR-SIMPSON SCALE. SOME ADDITIONAL STRENGTHENING IS
POSSIBLE TODAY...WITH GRADUAL WEAKENING EXPECTED ON MONDAY. IDA IS
EXPECTED TO BEGIN LOSING TROPICAL CHARACTERISTICS ON TUESDAY AS IT
NEARS THE GULF COAST...BUT IT COULD REACH THE COAST AS A TROPICAL
CYCLONE.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO
140 MILES...220 KM.
THE MINIMUM CENTRAL PRESSURE JUST REPORTED BY THE HURRICANE HUNTER
IS 978 MB...28.88 INCHES.
IDA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES
OVER PORTIONS OF THE YUCATAN PENINSULA AND WESTERN CUBA...WITH
POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 10 INCHES.
RAINS WILL BE INCREASING WELL IN ADVANCE OF IDA ACROSS THE CENTRAL
AND EASTERN GULF COAST...BUT WILL BECOME STEADIER AND HEAVIER BY
MONDAY INTO TUESDAY. TOTAL STORM ACCUMULATIONS OF 3 TO 5 INCHES
WITH ISOLATED MAXIMUM STORM TOTALS OF 8 INCHES WILL BE POSSIBLE
THROUGH TUESDAY FROM THE CENTRAL AND EASTERN GULF COAST NORTHWARD
INTO THE EASTERN PORTIONS OF THE TENNESSEE VALLEY AND THE SOUTHERN
APPALACHIANS.
A STORM SURGE COULD RAISE WATER LEVELS BY AS MUCH AS 3 TO 4 FEET
ABOVE GROUND LEVEL ALONG THE COAST OF THE YUCATAN PENINSULA. NEAR
THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE
WAVES.
..SUMMARY OF 1200 PM CST INFORMATION
LOCATION...21.7N 86.1W
MAXIMUM SUSTAINED WINDS...100 MPH
PRESENT MOVEMENT...NORTHWEST OR 325 DEGREES AT 10 MPH
MINIMUM CENTRAL PRESSURE...978 MB
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 1200 PM CST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 300
PM CST.
FORECASTER BEVEN/ROBERTS
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