Hurricane JIMENA

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HURRICANE JIMENA INTERMEDIATE ADVISORY NUMBER  15A
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP132009
500 AM PDT TUE SEP 01 2009
 
...EXTREMELY DANGEROUS HURRICANE JIMENA HEADING TOWARD THE BAJA
PENINSULA...
 
A HURRICANE WARNING IS IN EFFECT FOR THE SOUTHERN PORTION OF THE
BAJA CALIFORNIA PENINSULA FROM PUERTO SAN ANDRESITO SOUTHWARD ON
THE WEST COAST...AND FROM LORETO SOUTHWARD ON THE EAST COAST...
INCLUDING CABO SAN LUCAS.  A HURRICANE WARNING MEANS THAT HURRICANE
CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 24
HOURS.  CONDITIONS ARE EXPECTED TO DETERIORATE OVER THE SOUTHERN
PORTION OF THE WARNING AREA LATER TODAY AND PREPARATIONS
TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A HURRICANE WATCH IS IN EFFECT FOR THE BAJA CALIFORNIA PENINSULA
NORTH OF PUERTO SAN ANDRESITO ON THE WEST COAST TO PUNTA
EUGENIA...AND NORTH OF LORETO ON THE EAST COAST TO BAHIA SAN
JUAN BAUTISTA.  A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS
ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS.
 
A TROPICAL STORM WATCH IS IN EFFECT FOR THE WEST COAST OF MAINLAND
MEXICO FROM ALTATA TO HUATABAMPITO.  A TROPICAL STORM WATCH MEANS
THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.  THIS WATCH MAY BE EXTENDED
NORTHWARD LATER TODAY.
 
INTERESTS ELSEWHERE IN THE BAJA CALIFORNIA PENINSULA AND IN
WESTERN MAINLAND MEXICO SHOULD MONITOR THE PROGRESS OF JIMENA.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
 
AT 500 AM PDT...1200 UTC...THE CENTER OF HURRICANE JIMENA WAS
LOCATED NEAR LATITUDE 20.6 NORTH...LONGITUDE 110.4 WEST OR ABOUT
155 MILES...250 KM...SOUTH OF CABO SAN LUCAS MEXICO AND ABOUT
315 MILES...505 KM...SOUTH-SOUTHEAST OF CABO SAN LAZARO MEXICO.
 
JIMENA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 12 MPH...
19 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING
THE NEXT DAY OR TWO.  ON THE FORECAST TRACK...JIMENA WILL BE
APPROACHING THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA
LATER TODAY AND TONIGHT.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 155 MPH...250 KM/HR...WITH HIGHER
GUSTS.  JIMENA IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON
SCALE...AND VERY NEAR THE THRESHOLD OF CATEGORY FIVE STATUS.  SOME
FLUCTUATIONS IN STRENGTH ARE LIKELY TODAY...AND GRADUAL WEAKENING
IS FORECAST ON WEDNESDAY.  HOWEVER...JIMENA IS EXPECTED TO REMAIN
A MAJOR HURRICANE UNTIL LANDFALL.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO
140 MILES...220 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 931 MB...27.49 INCHES.
 
JIMENA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 5 TO 10
INCHES OVER THE SOUTHERN HALF OF THE BAJA CALIFORNIA PENINSULA AND
PORTIONS OF WESTERN MEXICO DURING THE NEXT COUPLE OF DAYS...WITH
POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 15 INCHES.
 
A DANGEROUS STORM SURGE ALONG WITH BATTERING WAVES WILL PRODUCE
SIGNIFICANT COASTAL FLOODING ALONG THE BAJA CALIFORNIA PENINSULA.
 
 
...SUMMARY OF 500 AM PDT INFORMATION...
LOCATION...20.6N 110.4W
MAXIMUM SUSTAINED WINDS...155 MPH
PRESENT MOVEMENT...NORTH-NORTHWEST OR 330 DEGREES AT 12 MPH
MINIMUM CENTRAL PRESSURE...931 MB
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
800 AM PDT.
 
$$
FORECASTER BROWN/BEVEN
 
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