Hurricane JOHN

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HURRICANE JOHN INTERMEDIATE ADVISORY NUMBER  10A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP112006
500 PM PDT WED AUG 30 2006
 
...DANGEROUS HURRICANE JOHN CONTINUES TO PARALLEL THE SOUTHWEST
COAST OF MEXICO...STRONG RAINBANDS APPROACHING MANZANILLO... 
 
A HURRICANE WARNING REMAINS IN EFFECT FROM LAZARO CARDENAS WESTWARD
TO CABO CORRIENTES. 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.

A HURRICANE WATCH REMAINS IN EFFECT FROM TECPAN DE GALEANA TO LAZARO
CARDENAS...AND FOR THE ISLAS MARIAS.  A HURRICANE WATCH IS ALSO IN
EFFECT FOR THE SOUTHERN BAJA PENINSULA FROM LA PAZ SOUTHWARD ON THE
EAST COAST....AND FROM SANTE FE SOUTHWARD ON THE WEST COAST...
INCLUDING CABO SAN LUCAS.  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 ACAPULCO TO LAZARO
CARDENAS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM NORTH OF CABO
CORRIENTES TO MAZATLAN. A TROPICAL STORM WATCH MEANS THAT TROPICAL
STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY
WITHIN 36 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 PM PDT...0000Z...THE CENTER OF HURRICANE JOHN WAS LOCATED
NEAR LATITUDE 17.7 NORTH...LONGITUDE 104.1 WEST OR ABOUT 100 MILES
...160 KM...SOUTH OF MANZANILLO MEXICO AND ABOUT 120 MILES
...195 KM...WEST OF LAZARO CARDENAS MEXICO.
 
JOHN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26
KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24
HOURS.  ON THIS TRACK THE CENTER IS EXPECTED TO REMAIN JUST
OFFSHORE OF THE MEXICAN COAST. HOWEVER ONLY A SLIGHT DEVIATION OF
THE TRACK COULD BRING THE CENTER ONSHORE WITHIN THE HURRICANE
WARNING AREA.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER
GUSTS.  JOHN IS A DANGEROUS CATEGORY FOUR HURRICANE ON THE
SAFFIR-SIMPSON SCALE.  SOME ADDITIONAL STRENGTHENING IS POSSIBLE
DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 948 MB...27.99 INCHES.
 
RAINFALL AMOUNTS OF 6 TO 10 INCHES...WITH ISOLATED TOTALS UP TO
18 INCHES...ARE POSSIBLE ALONG THE SOUTHWESTERN COAST OF MEXICO
WITHIN THE WARNING AREAS.  THESE AMOUNTS COULD CAUSE LIFE-
THREATENING FLASH FLOODS AND MUD SLIDES OVER AREAS OF MOUNTAINOUS
TERRAIN.
 
COASTAL STORM SURGE FLOODING OF UP TO 5 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED IN AREAS OF ONSHORE FLOW NEAR THE PATH OF THE CENTER OF THE
HURRICANE.
 
REPEATING THE 500 PM PDT POSITION...17.7 N...104.1 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 16 MPH.  MAXIMUM SUSTAINED WINDS...135
MPH. MINIMUM CENTRAL PRESSURE...948 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 PM PDT.
 
$$
FORECASTER RHOME/BEVEN
 
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