000 WTPZ33 KNHC 311757 TCPEP3 BULLETIN HURRICANE JIMENA INTERMEDIATE ADVISORY NUMBER 12A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP132009 1100 AM PDT MON AUG 31 2009 ...HURRICANE HUNTERS FIND JIMENA STRONGER... A HURRICANE WARNING IS IN EFFECT 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. A HURRICANE WATCH IS IN EFFECT 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 1100 AM PDT...1800 UTC...THE CENTER OF HURRICANE JIMENA WAS LOCATED BY AN AIR FORCE RESERVE HURICANE HUNTER AIRCRAFT NEAR LATITUDE 18.1 NORTH...LONGITUDE 108.9 WEST OR ABOUT 340 MILES...545 KM...SOUTH 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. REPORTS FROM THE HURRICANE HUNTER AIRCRAFT INDICATE THAT THE MAXIMUM SUSTAINED WINDS ARE NEAR 150 MPH...240 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. 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. THE MINIMUM CENTRAL PRESSURE REPORTED BY THE RECONNAISSANCE AIRCRAFT IS 936 MB...27.63 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 1100 AM PDT INFORMATION... LOCATION...18.1N 108.9W MAXIMUM SUSTAINED WINDS...150 MPH PRESENT MOVEMENT...NORTHWEST OR 315 DEGREES AT 8 MPH MINIMUM CENTRAL PRESSURE...936 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 PM PDT. $$ FORECASTER PASCH