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TROPICAL STORM HELENE ADVISORY NUMBER  17
NATIONAL WEATHER SERVICE MIAMI FL
10 AM CDT FRI SEP 22 2000
 
...HELENE CONTINUES TO WEAKEN OVER THE FLORIDA PANHANDLE...

AT 10 AM CDT...1500Z...THE TROPICAL STORM WARNING IS DISCONTINUED
WEST OF DESTIN FLORIDA.  A TROPICAL STORM WARNING REMAINS IN EFFECT
FROM DESTIN EAST TO THE MOUTH OF THE AUCILLA RIVER FLORIDA.  ALL
WARNINGS WILL LIKELY BE DISCONTINUED LATER TODAY.
 
AT 10 AM CDT...1500Z...THE CENTER OF TROPICAL STORM HELENE
WAS LOCATED NEAR LATITUDE 30.9 NORTH...LONGITUDE  86.1 WEST
OR ABOUT 25 MILES EAST-NORTHEAST OF CRESTVIEW FLORIDA.
 
HELENE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 13 MPH...AND A TURN
TO THE NORTHEAST AND A FASTER FORWARD SPEED ARE EXPECTED TODAY.
 
MAXIMUM SUSTAINED WINDS HAVE DECREASED NEAR  40 MPH...WITH HIGHER
GUSTS...MAINLY IN SQUALLS TO THE EAST OF THE CENTER.  FURTHER
WEAKENING IS FORECAST DURING THE NEXT 24 HOURS...AND HELENE WILL
LIKELY BE DOWNGRADED TO A DEPRESSION LATER TODAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  85 MILES MAINLY TO
THE EAST OF THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB...29.71 INCHES.
 
STORM SURGE FLOODING OF 1 TO 3 FT ABOVE NORMAL TIDE LEVELS
ACCOMPANIED BY BATTERING WAVES ARE EXPECTED ALONG THE COAST TO THE
EAST OF THE CENTER.
 
RAINFALL AMOUNTS OF 5 TO 8 INCHES...WITH LOCALLY HEAVIER AMOUNTS...
ARE LIKELY ALONG THE PATH OF HELENE.  HEAVY RAINS SHOULD CONTINUE TO
SPREAD ACROSS THE SOUTHEASTERN UNITED STATES EVEN AFTER HELENE
WEAKENS TO A DEPRESSION.
 
THERE IS A THREAT OF ISOLATED TORNADOES OVER PORTIONS OF THE EASTERN
FLORIDA PANHANDLE...NORTH FLORIDA...AND SOUTH GEORGIA TODAY.
 
REPEATING THE 10 AM CDT POSITION...30.9 N... 86.1 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 13 MPH.  MAXIMUM SUSTAINED
WINDS... 40 MPH.  MINIMUM CENTRAL PRESSURE...1006 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 1 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY
AT 4 PM CDT.
 
FORECASTER BEVEN
 
 
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