ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE JOHN INTERMEDIATE ADVISORY NUMBER 18A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP112006 500 PM PDT FRI SEP 01 2006 ...EYE OF HURRICANE JOHN NEAR SOUTHERN BAJA CALIFORNIA NORTHEAST OF CABO SAN LUCAS...EYEWALL MOVING ONTO THE COAST... A HURRICANE WARNING REMAINS IN EFFECT FOR 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. THESE WARNINGS MAY HAVE TO BE EXTENDED NORTHWARD ON THE EAST COAST LATER TONIGHT. A HURRICANE WATCH REMAINS IN EFFECT ALONG THE WEST COAST OF THE BAJA PENINSULA FROM BAHIA MAGDALENA TO PUNTA ABREOJOS. A TROPICAL STORM WATCH REMAINS 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 PM PDT...0000Z...THE EYE OF HURRICANE JOHN WAS LOCATED BY SATELLITE AND RADAR FROM CABO SAN LUCAS NEAR LATITUDE 23.2 NORTH... LONGITUDE 109.2 WEST. THIS POSITION IS NEAR THE EAST COAST OF THE SOUTHERN TIP OF BAJA CALIFORNIA ABOUT 25 MILES...40 KM...EAST OF SAN JOSE DEL CABO. JOHN IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 10 MPH...16 KM/HR... AND A TURN TOWARD THE NORTHWEST IS EXPECTED LATE TONIGHT. ON THIS TRACK...THE EYE OF JOHN WILL PASS NEAR OR OVER THE EAST COAST OF THE SOUTHERN TIP OF BAJA CALIFORNIA IN THE NEXT HOUR OR TWO. MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER GUSTS. JOHN IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON SCALE. NO SIGNIFICANT CHANGE IN STRENGTH IS LIKELY BEFORE LANDFALL. JOHN IS A SMALL TROPICAL CYCLONE. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 958 MB...28.29 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 15 INCHES...ARE POSSIBLE ACROSS THE SOUTHERN BAJA PENINSULA. THE WEST COAST OF CENTRAL MEXICO COULD RECEIVE AN ADDITIONAL 3 TO 5 INCHES OF RAIN WITH MAXIMUM STORM TOTALS OF 18 INCHES POSSIBLE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES OVER AREAS OF MOUNTAINOUS TERRAIN. REPEATING THE 500 PM PDT POSITION...23.2 N...109.2 W. MOVEMENT TOWARD...NORTH-NORTHWEST NEAR 10 MPH. MAXIMUM SUSTAINED WINDS...110 MPH. MINIMUM CENTRAL PRESSURE...958 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 PM PDT. $$ FORECASTER BEVEN NNNN
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Page last modified: Monday, 11-Sep-2006 11:28:43 UTC