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Old November 10th, 2009, 02:36 AM
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000
WTNT31 KNHC 100536
TCPAT1
BULLETIN
TROPICAL STORM IDA INTERMEDIATE ADVISORY NUMBER 25A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112009
1200 AM CST TUE NOV 10 2009

...IDA SLOWS DOWN AND 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 1200 AM CST...0600 UTC...THE CENTER OF TROPICAL STORM IDA WAS
LOCATED NEAR LATITUDE 29.5 NORTH...LONGITUDE 88.8 WEST OR ABOUT 95
MILES...150 KM...SOUTH-SOUTHWEST OF MOBILE ALABAMA.

IDA HAS SLOWED DOWN...AND IS NOW MOVING TOWARD THE NORTH NEAR 10
MPH...17 KM/HR. A TURN TOWARD THE NORTH-NORTHEAST WITH A FURTHER
DECREASE IN FORWARD SPEED IS EXPECTED THIS MORNING. 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.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 60 MPH...95 KM/HR...
WITH HIGHER GUSTS. SOME ADDITIONAL WEAKENING IS EXPECTED THIS
MORNING 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. A NOAA NATIONAL OCEAN SURFACE OBSERVATION SITE
LOCATED NEAR THE MOUTH OF THE MISSISSIPPI RIVER RECENTLY REPORTED A
SUSTAINED WIND OF 45 MPH...72 KM/HR...AND A GUST TO 55 MPH...89
KM/HR.

THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY RECONNAISSANCE
AIRCRAFT WAS 998 MB...29.47 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 1200 AM CST INFORMATION...
LOCATION...29.5N 88.8W
MAXIMUM SUSTAINED WINDS...60 MPH
PRESENT MOVEMENT...NORTH OR 360 DEGREES AT 10 MPH
MINIMUM CENTRAL PRESSURE...998 MB

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
300 AM CST.

$$
FORECASTER BRENNAN
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Lisa
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