593
WTNT31 KNHC 091757
TCPAT1
BULLETIN
TROPICAL STORM IDA INTERMEDIATE ADVISORY NUMBER 23A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
1200 PM CST MON NOV 09 2009
..IDA CONTINUES TO APPROACH THE GULF COAST
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM GRAND ISLE LOUISIANA
EASTWARD TO THE AUCILLA RIVER FLORIDA...INCLUDING NEW ORLEANS AND
LAKE PONTCHARTRAIN. A TROPICAL STORM WARNING MEANS THAT TROPICAL
STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA
WITHIN 24 HOURS.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST
OFFICE.
AT 1200 PM CST...1800 UTC...THE CENTER OF TROPICAL STORM IDA WAS
LOCATED NEAR LATITUDE 27.5 NORTH...LONGITUDE 88.4 WEST OR ABOUT 115
MILES...185 KM...SOUTH-SOUTHEAST OF THE MOUTH OF THE MISSISSIPPI
RIVER AND ABOUT 220 MILES...350 KM...SOUTH-SOUTHWEST OF PENSACOLA
FLORIDA.
IDA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 18 MPH...30 KM/HR. A
TURN TOWARD THE NORTH AND THEN TO THE NORTH-NORTHEAST IS EXPECTED
OVER THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF IDA
IS EXPECTED TO MAKE LANDFALL ALONG THE NORTHERN GULF COAST TUESDAY
MORNING. AFTER LANDFALL...A TURN TO THE EAST IS EXPECTED ON
TUESDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. SOME WEAKENING IS EXPECTED LATER TODAY AND TONIGHT AS IDA
APPROACHES THE COAST.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM
FROM THE CENTER.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE
RECONNAISSANCE AIRCRAFT WAS 992 MB...29.29 INCHES.
RAINS FROM IDA ARE ALREADY MOVING ACROSS THE COAST WITHIN THE
WARNING AREA. TOTAL STORM ACCUMULATIONS OF 3 TO 6 INCHES...WITH
ISOLATED MAXIMUM STORM TOTALS OF 8 INCHES...ARE POSSIBLE THROUGH
WEDNESDAY MORNING FROM THE CENTRAL AND EASTERN GULF COAST NORTHWARD
INTO THE EASTERN PORTIONS OF THE TENNESSEE VALLEY...THE SOUTHERN
APPALACHIANS...AND THE SOUTHEASTERN UNITED STATES.
A DANGEROUS STORM TIDE WILL RAISE WATER LEVELS BY AS MUCH AS
3 TO 5 FEET ABOVE GROUND LEVEL ALONG THE COAST NEAR AND TO THE
EAST OF WHERE THE CENTER MAKES LANDFALL. NEAR THE COAST...THE SURGE
WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES.
..SUMMARY OF 1200 PM CST INFORMATION
LOCATION...27.5N 88.4W
MAXIMUM SUSTAINED WINDS...70 MPH
PRESENT MOVEMENT...NORTH-NORTHWEST OR 345 DEGREES AT 18 MPH
MINIMUM CENTRAL PRESSURE...992 MB
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
300 PM CST.
FORECASTER FRANKLIN
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