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TROPICAL STORM DALILA ADVISORY NUMBER   4
NATIONAL WEATHER SERVICE MIAMI FL
2 PM PDT SAT JUL 21 2001
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE PACIFIC COAST OF
MEXICO FROM PUERTO ANGEL TO ACAPULCO.  THIS WATCH COULD BE CHANGED
TO A TROPICAL STORM WARNING OR EVEN A HURRICANE WARNING LATER TODAY
OR EARLY SUNDAY...DEPENDING ON THE EXACT MOVEMENT OF DALILA.
 
AT 2 PM PDT...2100Z...THE CENTER OF TROPICAL STORM DALILA WAS 
LOCATED NEAR LATITUDE 13.5 NORTH...LONGITUDE  97.5 WEST OR ABOUT
270 MILES...435 KM...SOUTH-SOUTHEAST OF ACAPULCO MEXICO
 
DALILA IS MOVING TOWARD THE WEST NORTHWEST NEAR 13 MPH ...20 
KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 
HOURS.
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR  50 MPH... 85 
KM/HR...WITH HIGHER GUSTS.  SOME ADDITIONAL STRENGTHENING IS 
FORECAST DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  85 MILES
...140 KM FROM THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.

HEAVY RAINFALL MAY SPREAD INLAND OVER PORTIONS OF THE WARNING AREA 
DURING THE NEXT 24 HOURS BRINGING A THREAT OF FLASH FLOODS AND MUD 
SLIDES. 

REPEATING THE 2 PM PDT POSITION...13.5 N... 97.5 W.  MOVEMENT
TOWARD...WEST NORTHWEST NEAR 13 MPH.  MAXIMUM SUSTAINED
WINDS... 50 MPH.  MINIMUM CENTRAL PRESSURE...1000 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL
HURRICANE CENTER AT 5 PM PDT FOLLOWED BY THE NEXT
COMPLETE ADVISORY AT 8 PM PDT.
 
FORECASTER LAWRENCE
  
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