000 WTPZ33 KNHC 311444 TCPEP3 BULLETIN HURRICANE JIMENA ADVISORY NUMBER 12 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP132009 800 AM PDT MON AUG 31 2009 ...HURRICANE WARNINGS ISSUED FOR SOUTHERN BAJA CALIFORNIA... AT 8 AM PDT...1500 UTC...THE GOVERNMENT OF MEXICO HAS CHANGED THE HURRICANE WATCH TO A HURRICANE WARNING FOR THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA FROM BAHIA MAGDALENA SOUTHWARD ON THE WEST COAST...AND FROM SAN EVARISTO 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. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. AT 8 AM PDT...1500 UTC...THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WATCH FOR THE BAJA CALIFORNIA PENINSULA NORTH OF BAHIA MAGDALENA ON THE WEST COAST TO PUNTA ABREOJOS AND NORTH OF SAN EVARISTO TO MULEGE ON THE EAST COAST. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. INTERESTS ELSEWHERE IN THE CENTRAL 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 800 AM PDT...1500 UTC...THE CENTER OF HURRICANE JIMENA WAS LOCATED NEAR LATITUDE 18.0 NORTH...LONGITUDE 108.3 WEST OR ABOUT 355 MILES...570 KM...SOUTH-SOUTHEAST OF CABO SAN LUCAS MEXICO. JIMENA IS MOVING TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/HR...AND A TURN TOWARD THE NORTH-NORTHWEST WITH A GRADUAL INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT DAY OR SO. ON THE FORECAST TRACK...JIMENA WILL BE APPROACHING THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA ON TUESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 145 MPH...230 KM/HR...WITH HIGHER GUSTS. JIMENA IS AN EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOME FLUCTUATIONS IN INTENSITY ARE POSSIBLE DURING THE NEXT DAY OR TWO. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS SCHEDULED TO INVESTIGATE JIMENA LATER TODAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 940 MB...27.76 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 2 DAYS...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 15 INCHES. A STORM SURGE ALONG WITH LARGE AND DANGEROUS BATTERING WAVES WILL PRODUCE SIGNIFICANT COASTAL FLOODING ALONG THE BAJA CALIFORNIA PENINSULA. ...SUMMARY OF 800 AM PDT INFORMATION... LOCATION...18.0N 108.3W MAXIMUM SUSTAINED WINDS...145 MPH PRESENT MOVEMENT...NORTHWEST OR 315 DEGREES AT 8 MPH MINIMUM CENTRAL PRESSURE...940 MB AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 200 PM PDT. $$ FORECASTER PASCH