ZCZC MIATCPEP5 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE NORBERT ADVISORY NUMBER 33 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP152008 800 PM PDT SAT OCT 11 2008 ...NORBERT ABOUT TO MAKE LANDFALL IN MAINLAND MEXICO... AT 8 PM PDT...0300 UTC...THE GOVERNMENT OF MEXICO HAS DISCONTINUED ALL WATCHES AND WARNINGS FOR BAJA CALIFORNIA. A HURRICANE WARNING REMAINS IN EFFECT FOR THE COAST OF MAINLAND MEXICO FROM TOPOLOBAMPO NORTHWARD TO GUAYMAS. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE COAST OF MAINLAND MEXICO FROM SOUTH OF TOPOLOBAMPO SOUTHWARD TO ALTATA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 800 PM PDT...0300Z...THE CENTER OF HURRICANE NORBERT WAS LOCATED NEAR LATITUDE 26.5 NORTH...LONGITUDE 109.5 WEST OR ABOUT 55 MILES... 90 KM...NORTH-NORTHWEST OF LOS MOCHIS MEXICO AND ABOUT 125 MILES ...195 KM...EAST-NORTHEAST OF LORETO MEXICO. NORBERT IS MOVING TOWARD THE NORTHEAST NEAR 17 MPH...28 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE INTO TOMORROW. ON THIS TRACK THE CENTER OF NORBERT WILL BE MAKING LANDFALL IN AN HOUR OR TWO AND INTO NORTHWESTERN MEXICO OVERNIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140 KM/HR...WITH HIGHER GUSTS. NORBERT IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. LITTLE CHANGE IN STRENGTH IS EXPECTED UNTIL LANDFALL...THEN A RAPID WEAKENING IS FORECAST OVER THE MOUNTAINEOUS TERRAIN OF MEXICO. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM. LOS MOCHIS RECENTLY REPORTED SUSTAINED WINDS OF 58 MPH...93 KM/HR...WITH GUSTS TO 69 MPH...111 KM/HR. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 961 MB...28.38 INCHES. NORBERT IS EXPECTED TO PRODUCE RAINFALL ACCUMULATIONS OF 4 TO 6 INCHES OVER SOUTHERN BAJA CALIFORNIA AS WELL AS PORTIONS OF NORTHWESTERN MEXICO...WITH POSSIBLE ISOLATED AMOUNTS OF 10 INCHES. THESE RAINS COULD RESULT IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. IN ADDITION...NORBERT COULD PRODUCE RAINFALL ACCUMULATIONS OF 1 TO 2 INCHES OVER PORTIONS OF THE SOUTHWESTERN UNITED STATES THROUGH SUNDAY MORNING. STORM SURGE FLOODING ALONG THE COAST OF BAJA CALIFORNIA WILL GRADUALLY SUBSIDE TONIGHT. STORM SURGE FLOODING OF 4 TO 7 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...IS EXPECTED ALONG THE COAST OF MAINLAND MEXICO...NEAR AND TO THE SOUTHEAST OF WHERE NORBERT MAKES LANDFALL. REPEATING THE 800 PM PDT POSITION...26.5 N...109.5 W. MOVEMENT TOWARD...NORTHEAST NEAR 17 MPH. MAXIMUM SUSTAINED WINDS...85 MPH. MINIMUM CENTRAL PRESSURE...961 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM PDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 200 AM PDT. $$ FORECASTER BLAKE/BEVEN NNNN
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