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Hurricane JOHN

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HURRICANE JOHN INTERMEDIATE ADVISORY NUMBER   8A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP112006
500 AM PDT WED AUG 30 2006
 
...AIR FORCE HURRICANE HUNTER AIRCRAFT CONFIRMS CATEGORY-THREE
INTENSITY...
 
A HURRICANE WARNING REMAINS IN EFFECT ALONG THE WEST COAST OF MEXICO
FROM LAZARO CARDENAS WESTWARD TO LA FORTUNA.  A HURRICANE WARNING
MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING
AREA WITHIN THE NEXT 24 HOURS.  PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION.  HURRICANE WARNINGS WILL
LIKELY NEED TO BE EXTENDED WESTWARD LATER TODAY.
 
A HURRICANE WATCH REMAINS IN EFFECT FROM TECPAN DE GALEANA TO LAZARO
CARDENAS AND ALSO FROM LA FORTUNA TO CABO CORRIENTES.  A HURRICANE
WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM PUNTO MALDONADO TO
LAZARO CARDENAS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 500 AM PDT...1200Z...THE CENTER OF HURRICANE JOHN WAS LOCATED
NEAR LATITUDE 16.0 NORTH...LONGITUDE 101.7 WEST OR ABOUT 135 MILES
...215 KM...WEST-SOUTHWEST OF ACAPULCO MEXICO AND ABOUT 140 MILES...
225 KM...SOUTH-SOUTHEAST OF LAZARO CARDENAS MEXICO.
 
JOHN IS MOVING BETWEEN THE WEST-NORTHWEST AND NORTHWEST NEAR 12
MPH...19 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE OVER THE
NEXT 24 HOURS. WHILE THE CENTER OF JOHN IS FORECAST TO REMAIN JUST
OFFSHORE...ANY DEVIATION TO THE RIGHT OF TRACK WILL BRING HURRICANE
FORCE WINDS TO THE COAST WITHIN THE WARNING AREA.
 
DATA FROM THE UNITED STATES AIR FORCE RESERVE RECONNAISSANCE
HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS ARE
NEAR 115 MPH...185 KM/HR...WITH HIGHER GUSTS.  JOHN IS A CATEGORY
THREE HURRICANE ON THE SAFFIR-SIMPSON SCALE.  SOME ADDITIONAL
STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS...AND JOHN COULD
BECOME A CATEGORY FOUR HURRICANE LATER TODAY. 

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...70 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 125
MILES...205 KM.
 
THE MINIMUM CENTRAL PRESSURE REPORTED BY THE AIRCRAFT WAS 955
MB...28.20 INCHES.
 
RAINFALL AMOUNTS OF 4 TO 8 INCHES...WITH ISOLATED TOTALS UP TO
12 INCHES...ARE POSSIBLE ALONG THE SOUTHERN COAST OF MEXICO WITHIN
THE WARNING AREAS.  THESE AMOUNTS COULD CAUSE LIFE-THREATENING
FLASH FLOODS AND MUD SLIDES OVER AREAS OF MOUNTAINOUS TERRAIN.
 
REPEATING THE 500 AM PDT POSITION...16.0 N...101.7 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 12 MPH.  MAXIMUM SUSTAINED WINDS...115
MPH.  MINIMUM CENTRAL PRESSURE...955 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 AM PDT.
 
$$
FORECASTER MAINELLI/KNABB
 
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