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Tropical Storm IDA


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TROPICAL STORM IDA INTERMEDIATE ADVISORY NUMBER  26A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL112009
600 AM CST TUE NOV 10 2009
 
...IDA OVER MOBILE BAY...
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM GRAND ISLE LOUISIANA
EASTWARD TO THE AUCILLA RIVER FLORIDA...INCLUDING NEW ORLEANS AND
LAKE PONTCHARTRAIN.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY
YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE.
 
DATA FROM NOAA DOPPLER RADAR AND SURFACE OBSERVATIONS INDICATE THAT
THE CENTER OF TROPICAL STORM IDA MADE ITS FIRST LANDFALL AROUND 540
AM CST...1140 UTC...ON DAUPHIN ISLAND ALABAMA...WITH MAXIMUM
SUSTAINED WINDS OF 45 MPH...75 KM/HR. 

AT 600 AM CST...1200 UTC...THE CENTER OF TROPICAL STORM IDA WAS
LOCATED NEAR LATITUDE 30.3 NORTH...LONGITUDE 88.0 WEST OR ABOUT 25
MILES...40 KM...SOUTH OF MOBILE ALABAMA.
 
IDA IS MOVING TOWARD THE NORTHEAST NEAR 9 MPH...15 KM/HR.  THIS
GENERAL MOTION WITH A DECREASE IN FORWARD SPEED IS EXPECTED
TODAY.  ON THE FORECAST TRACK...THE CENTER OF IDA SHOULD REACH THE
MAINLAND ALABAMA COAST LATER THIS MORNING.  AFTER LANDFALL...IDA IS
EXPECTED TO TURN EASTWARD.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH...75 KM/HR
...WITH HIGHER GUSTS.  SOME ADDITIONAL WEAKENING IS EXPECTED...AND
IDA IS EXPECTED TO LOSE TROPICAL CHARACTERISTICS LATER TODAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM
FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 999 MB...29.50 INCHES.
 
IDA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 6
INCHES...WITH ISOLATED MAXIMUM STORM TOTALS OF 8 INCHES...THROUGH
WEDNESDAY EVENING FROM THE CENTRAL AND EASTERN GULF COAST ACROSS
THE SOUTHEASTERN UNITED STATES INTO THE SOUTHERN MID-ATLANTIC
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 600 AM CST INFORMATION...
LOCATION...30.3N 88.0W
MAXIMUM SUSTAINED WINDS...45 MPH
PRESENT MOVEMENT...NORTHEAST OR 35 DEGREES AT 9 MPH
MINIMUM CENTRAL PRESSURE...999 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
900 AM CST.
 
$$
FORECASTER BRENNAN/BLAKE/CANGIALOSI
 
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