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TROPICAL STORM IVO ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL
8 AM PDT TUE SEP 11 2001
 
...IVO CONTINUES MOVING TOWARD THE WEST-NORTHWEST...HEAVY RAINS AND 
BATTERING WAVES ALONG THE SOUTHWEST MEXICAN COAST... 
 
AT 8 AM PDT...1200 UTC...THE GOVERNMENT OF MEXICO HAS DISCONTINUED
THE TROPICAL STORM WARNING EAST OF LAZARO CARDENAS.  A TROPICAL
STORM WARNING REMAINS IN EFFECT FOR THE PACIFIC COAST FROM LAZARO
CARDENAS TO CABO CORRIENTES.
 
AT 8 AM PDT...1500Z...THE CENTER OF TROPICAL STORM IVO WAS LOCATED
NEAR LATITUDE 17.1 NORTH...LONGITUDE 104.8 WEST OR ABOUT 155
MILES...250 KM...SOUTH-SOUTHEAST OF MANZANILLO MEXICO.

IVO IS MOVING TOWARD THE WEST NORTHWEST NEAR 13 MPH ...20 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH... 65 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES
...280 KM FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.

HEAVY RAINS ARE EXPECTED OVER PORTIONS OF THE WARNING AREA...AND 
THERE IS A RISK OF FLASH FLOODS AND MUD SLIDES IN MOUNTAINOUS AREAS.
 
REPEATING THE 8 AM PDT POSITION...17.1 N...104.8 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 13 MPH.  MAXIMUM SUSTAINED WINDS...40
MPH.  MINIMUM CENTRAL PRESSURE...1000 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 11 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 2 PM
PDT.

FORECASTER AVILA
 
 
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