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Tropical Storm JOHN


ZCZC MIATCPEP1 ALL
TTAA00 KNHC DDHHMM
BULLETIN
TROPICAL STORM JOHN ADVISORY NUMBER   4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP112006
200 AM PDT TUE AUG 29 2006
 
...JOHN NEARING HURRICANE STRENGTH...

A TROPICAL STORM WATCH REMAINS IN EFFECT FROM LAGUNAS DE CHACAHUA TO
LAZARO CARDENAS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM
CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36
HOURS. THE TROPICAL STORM WATCH MAY NEED TO BE EXPANDED WESTWARD
LATER TODAY.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 200 AM PDT...0900Z...THE CENTER OF TROPICAL STORM JOHN WAS
LOCATED NEAR LATITUDE 13.9 NORTH...LONGITUDE 97.8 WEST OR ABOUT 
250 MILES...400 KM...SOUTHEAST OF ACAPULCO MEXICO.
 
JOHN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS
WITH A GRADUAL INCREASE IN FORWARD SPEED.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS AND 
JOHN IS EXPECTED TO BECOME A HURRICANE TODAY.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM
FROM THE CENTER.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES.
 
RAINFALL AMOUNTS OF 2 TO 4 INCHES...WITH ISOLATED TOTALS UP TO
8 INCHES...ARE POSSIBLE ALONG THE SOUTH COAST OF MEXICO WITHIN 
THE TROPICAL STORM WATCH AREA.  THESE AMOUNTS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUDSLIDES OVER AREAS OF
MOUNTAINOUS TERRAIN.
 
REPEATING THE 200 AM PDT POSITION...13.9 N...97.8 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 7 MPH.  MAXIMUM SUSTAINED WINDS...70
MPH.  MINIMUM CENTRAL PRESSURE...990 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 500 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 800
AM PDT.
 
$$
FORECASTER BROWN/STEWART
 
NNNN


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Page last modified: Monday, 11-Sep-2006 11:28:43 UTC