ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM JOHN INTERMEDIATE ADVISORY NUMBER 4A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP112006 800 AM PDT TUE AUG 29 2006 ...JOHN PARALLELING THE WEST COAST OF MEXICO...APPROACHING HURRICANE STRENGTH... A TROPICAL STORM WATCH REMAINS IN EFFECT FROM LAGUNAS DE CHACAHUA TO LAZARO CARDENAS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. THE TROPICAL STORM WATCH MAY NEED TO BE EXPANDED WESTWARD LATER TODAY. 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...1200Z...THE CENTER OF TROPICAL STORM JOHN WAS LOCATED NEAR LATITUDE 14.1 NORTH...LONGITUDE 98.5 WEST OR ABOUT 200 MILES...325 KM...SOUTHEAST OF ACAPULCO MEXICO. JOHN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS WITH A GRADUAL INCREASE IN FORWARD SPEED. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS AND JOHN COULD BECOME A HURRICANE LATER THIS MORNING. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. RAINFALL AMOUNTS OF 2 TO 4 INCHES...WITH ISOLATED TOTALS UP TO 8 INCHES...ARE POSSIBLE ALONG THE SOUTH COAST OF MEXICO WITHIN THE TROPICAL STORM WATCH AREA. THESE AMOUNTS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES OVER AREAS OF MOUNTAINOUS TERRAIN. REPEATING THE 500 AM PDT POSITION...14.1 N...98.5 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 7 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...990 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 800 AM PDT. $$ FORECASTER MAINELLI/PASCH NNNN
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Page last modified: Monday, 11-Sep-2006 11:28:43 UTC