000 WTPZ33 KNHC 011748 TCPEP3 BULLETIN HURRICANE JIMENA INTERMEDIATE ADVISORY NUMBER 16A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP132009 1100 AM PDT TUE SEP 01 2009 ...JIMENA WEAKENS A LITTLE MORE BUT REMAINS AT CATEGORY FOUR STRENGTH... A HURRICANE WARNING REMAINS IN EFFECT FOR THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA FROM PUERTO ABREOJOS SOUTHWARD ON THE WEST COAST...AND FROM MULEGE 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 PUERTO ABREOJOS ON THE WEST COAST TO PUNTA EUGENIA...AND NORTH OF MULEGE 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 NORTHWESTERN MAINLAND MEXICO SHOULD MONITOR THE PROGRESS OF JIMENA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE OF THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. AT 1100 AM PDT...1800 UTC...THE CENTER OF HURRICANE JIMENA WAS LOCATED NEAR LATITUDE 21.5 NORTH...LONGITUDE 111.0 WEST OR ABOUT 110 MILES...175 KM...SOUTHWEST OF CABO SAN LUCAS MEXICO AND ABOUT 240 MILES...385 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 FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...JIMENA WILL BE APPROACHING THE SOUTHERN PORTION OF THE BAJA CALIFORNIA PENINSULA LATER TODAY AND TONIGHT...AND APPROACH THE CENTRAL BAJA CALIFORNIA PENINSULA BY THURSDAY. REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT JIMENA HAS WEAKENED A LITTLE MORE. MAXIMUM SUSTAINED WINDS ARE NEAR 135 MPH...215 KM/HR...WITH HIGHER GUSTS. JIMENA IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON SCALE. 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. THE LAST MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER IS 948 MB...27.99 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 1100 AM PDT INFORMATION... LOCATION...21.5N 111.0W MAXIMUM SUSTAINED WINDS...135 MPH PRESENT MOVEMENT...NORTH-NORTHWEST OR 330 DEGREES AT 12 MPH MINIMUM CENTRAL PRESSURE...948 MB THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 PM PDT. $$ FORECASTER BEVEN