ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE JOHN INTERMEDIATE ADVISORY NUMBER 16A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP112006 500 AM PDT FRI SEP 01 2006 ...POWERFUL JOHN HEADING TOWARD SOUTHERN BAJA CALIFORNIA... A HURRICANE WARNING REMAINS IN EFFECT FOR THE ISLAS MARIAS AND THE SOUTHERN BAJA PENINSULA FROM SAN EVERISTO SOUTHWARD ON THE EAST COAST...AND FROM BAHIA MAGDALENA SOUTHWARD ON THE WEST COAST. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE CENTRAL BAJA CALIFORNIA PENINSULA FROM PUNTA ABREOJOS SOUTHWARD TO BAHIA MAGDALENA ON THE WEST COAST...AND NORTHWARD FROM SAN EVERISTO TO LORETO ON THE EAST COAST. A HURRICANE WATCH IS IN EFFECT ALONG THE WEST COAST OF THE BAJA PENINSULA FROM BAHIA MAGDALENA TO PUNTA ABREOJOS. A TROPICAL STORM WATCH IS IN EFFECT ALONG THE EAST COAST OF THE BAJA PENINSULA FROM LORETO NORTHWARD TO MULEGE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 500 AM PDT...0900Z...THE CENTER OF HURRICANE JOHN WAS LOCATED NEAR LATITUDE 21.8 NORTH...LONGITUDE 108.8 WEST OR ABOUT 100 MILES ...160 KM...SOUTHEAST OF THE SOUTHERN TIP OF BAJA CALIFORNIA AND ABOUT 145 MILES...230 KM...WEST OF LAS ISLAS MARIAS MEXICO. JOHN HAS SLOWED OVERNIGHT AND IS NOW MOVING TOWARD THE NORTHWEST NEAR 10 MPH...16 KM/HR. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. ON THIS TRACK THE DANGEROUS CORE OF HURRICANE JOHN WILL PASS NEAR OR OVER BAJA CALIFORNIA LATER TODAY. MAXIMUM SUSTAINED WINDS ARE NEAR 115 MPH...185 KM/HR...WITH HIGHER GUSTS. JOHN IS A DANGEROUS CATEGORY THREE HURRICANE ON THE SAFFIR-SIMPSON SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS. AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS CURRENTLY EN-ROUTE TO INVESTIGATE THE INTENSITY OF THE HURRICANE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 960 MB...28.35 INCHES. COASTAL STORM SURGE FLOODING OF UP TO 5 FEET ABOVE NORMAL TIDE LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE EXPECTED IN AREAS OF ONSHORE FLOW NEAR THE PATH OF THE CENTER OF THE HURRICANE. RAINFALL AMOUNTS OF 6 TO 10 INCHES...WITH ISOLATED MAXIMUM STORM TOTALS UP TO 18 INCHES...ARE POSSIBLE ALONG THE CENTRAL WEST COAST OF MAINLAND MEXICO AS WELL AS OVER THE SOUTHERN BAJA PENINSULA. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES OVER AREAS OF MOUNTAINOUS TERRAIN. REPEATING THE 500 AM PDT POSITION...21.8 N...108.8 W. MOVEMENT TOWARD...NORTHWEST NEAR 10 MPH. MAXIMUM SUSTAINED WINDS...115 MPH. MINIMUM CENTRAL PRESSURE...960 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 AM PDT. $$ FORECASTER BLAKE/AVILA NNNN
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Page last modified: Monday, 11-Sep-2006 11:28:43 UTC