Tropical Storm IDA

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BULLETIN
TROPICAL STORM IDA ADVISORY NUMBER  26
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL112009
300 AM CST TUE NOV 10 2009

...IDA MOVING SLOWLY NORTHWARD TOWARD THE GULF COAST AS IT WEAKENS A
LITTLE MORE...

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.
 
AT 300 AM CST...0900 UTC...THE CENTER OF TROPICAL STORM IDA WAS
LOCATED NEAR LATITUDE 29.9 NORTH...LONGITUDE 88.5 WEST OR ABOUT 60
MILES...95 KM...SOUTH-SOUTHWEST OF MOBILE ALABAMA.
 
IDA IS MOVING TOWARD THE NORTH NEAR 9 MPH...15 KM/HR. A TURN TOWARD
THE NORTH-NORTHEAST WITH A DECREASE IN FORWARD SPEED IS EXPECTED
TODAY. ON THE FORECAST TRACK...THE CENTER OF IDA SHOULD REACH THE
NORTHERN GULF COAST LATER THIS MORNING.  AFTER LANDFALL...IDA IS
EXPECTED TO TURN EASTWARD. 
 
DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT AND SURFACE
OBSERVATIONS INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED
TO NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS.  SOME ADDITIONAL
WEAKENING IS EXPECTED TODAY...AND IDA IS EXPECTED TO MERGE WITH A
FRONTAL ZONE ON WEDNESDAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM
FROM THE CENTER.
 
THE LATEST MINIMUM MINIMUM CENTRAL PRESSURE REPORTED THE HURRICANE
HUNTER AIRCRAFT WAS 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...AS WELL AS IN AREAS OF ONSHORE
FLOW IN SOUTHEASTERN LOUISIANA.  NEAR THE COAST...THE SURGE WILL BE
ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES.
 
...SUMMARY OF 300 AM CST INFORMATION...
LOCATION...29.9N 88.5W
MAXIMUM SUSTAINED WINDS...50 MPH
PRESENT MOVEMENT...NORTH OR 5 DEGREES AT 9 MPH
MINIMUM CENTRAL PRESSURE...999 MB
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 600 AM CST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 900
AM CST.
 
$$
FORECASTER BRENNAN/KIMBERLAIN
 
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