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Hurricane IVAN


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TROPICAL STORM IVAN ADVISORY NUMBER  69
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
4 AM CDT THU SEP 23 2004

...IVAN MOVING FASTER OVER THE NORTHWEST GULF...

A TROPICAL STORM WARNING REMAINS IN EFFECT FOR A PORTION OF THE GULF
OF MEXICO COAST FROM THE MOUTH OF THE MISSISSIPPI RIVER LOUISIANA
WESTWARD TO SARGENT TEXAS.
 
AT 4 AM CDT...0900Z...THE POORLY-DEFINED CENTER OF TROPICAL STORM
IVAN WAS LOCATED NEAR LATITUDE 28.2 NORTH...LONGITUDE  91.6 WEST OR
ABOUT  180 MILES SOUTHEAST OF THE UPPER TEXAS COAST.
 
IVAN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...AND THIS
GENERAL MOTION IS EXPECTED TO CONTINUE TODAY AND TONIGHT.  ON THE
FORECAST TRACK...THE CENTER WILL CROSS THE COAST IN THE WARNING
AREA WITHIN THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  40 MPH...WITH HIGHER GUSTS.  SOME
INCREASE IN STRENGTH IS POSSIBLE BEFORE LANDFALL.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  85 MILES
...140 KM FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1007 MB...29.74 INCHES.

WATER LEVELS HAVE BEEN RUNNING .5 TO 2 FEET ABOVE NORMAL TIDE LEVELS
ALONG THE NORTHWEST GULF OF MEXICO. IVAN WILL GENERATE AN
ADDITIONAL 1 TO 3 FEET ABOVE THESE EXISTING WATER LEVELS.
THEREFORE... WATER ELEVATIONS OF 2 TO 4 FEET ABOVE NORMAL ARE
EXPECTED NEAR AND TO THE EAST OF WHERE THE CENTER MAKES
LANDFALL.
 
RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES...WITH ISOLATED HIGHER
AMOUNTS...ARE POSSIBLE NEAR THE PATH OF IVAN.

ISOLATED TORNADOES ARE POSSIBLE OVER SOUTHERN LOUISIANA TODAY.

REPEATING THE 4 AM CDT POSITION...28.2 N... 91.6 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 15 MPH.  MAXIMUM SUSTAINED
WINDS... 40 MPH.  MINIMUM CENTRAL PRESSURE...1007 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 7 AM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 10 AM
CDT.
 
FORECASTER PASCH

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