Tropical Storm IDA

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BULLETIN
TROPICAL STORM IDA ADVISORY NUMBER  25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL112009
900 PM CST MON NOV 09 2009

...IDA MOVING SLOWER...CENTER APPROACHING THE NORTHERN 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.
 
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 900 PM CST...0300 UTC...THE CENTER OF TROPICAL STORM IDA WAS
LOCATED NEAR LATITUDE 29.3 NORTH...LONGITUDE 88.6 WEST OR ABOUT 100
MILES...165 KM...SOUTH-SOUTHWEST OF MOBILE ALABAMA.
 
IDA IS MOVING TOWARD THE NORTH NEAR 13 MPH...20 KM/HR.  A TURN
TOWARD THE NORTH-NORTHEAST WITH A DECREASE IN FORWARD SPEED IS
EXPECTED OVERNIGHT.  ON THE FORECAST TRACK...THE CENTER OF IDA
SHOULD REACH THE NORTHERN GULF COAST TUESDAY MORNING.  AFTER
LANDFALL...IDA IS EXPECTED TO TURN EASTWARD.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 65 MPH...100
KM/HR...WITH HIGHER GUSTS.  SOME WEAKENING IS EXPECTED OVERNIGHT AS
IDA MOVES OVER COOLER WATERS PRIOR TO MAKING LANDFALL...AND IS
EXPECTED TO MERGE WITH A FRONTAL ZONE ON WEDNESDAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM
FROM THE CENTER.
 
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE
AIRCRAFT WAS 997 MB...29.44 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 900 PM CST INFORMATION...
LOCATION...29.3N 88.6W
MAXIMUM SUSTAINED WINDS...65 MPH
PRESENT MOVEMENT...NORTH OR 360 DEGREES AT 13 MPH
MINIMUM CENTRAL PRESSURE...997 MB
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 1200 AM CST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 300
AM CST.
 
$$
FORECASTER BROWN/BERG
 
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