ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE VANCE ADVISORY NUMBER 22 NWS NATIONAL HURRICANE CENTER MIAMI FL EP212014 700 AM PST TUE NOV 04 2014 ...VANCE RAPIDLY WEAKENING... SUMMARY OF 700 AM PST...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...19.3N 109.6W ABOUT 100 MI...155 KM ENE OF SOCORRO ISLAND ABOUT 340 MI...545 KM SW OF MAZATLAN MEXICO MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...NNE OR 25 DEGREES AT 13 MPH...20 KM/H MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * MAZATLAN NORTHWARD TO TOPOLOBAMPO MEXICO A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 36 HOURS. INTERESTS ELSEWHERE ALONG THE SOUTHWESTERN COAST OF MEXICO SHOULD MONITOR THE PROGRESS OF VANCE. A TROPICAL STORM WARNING COULD BE REQUIRED FOR A PORTION OF THE COAST OF MEXICO LATER TODAY OR TONIGHT. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 700 AM PST...1500 UTC...THE CENTER OF HURRICANE VANCE WAS LOCATED NEAR LATITUDE 19.3 NORTH...LONGITUDE 109.6 WEST. VANCE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 13 MPH...20 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF VANCE IS EXPECTED TO MOVE NEAR OR OVER THE WESTERN COAST OF MEXICO IN THE TROPICAL STORM WATCH AREA ON WEDNESDAY OR WEDNESDAY NIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140 KM/H... WITH HIGHER GUSTS. ADDITIONAL RAPID WEAKENING IS FORECAST DURING THE NEXT 24 TO 36 HOURS...AND VANCE COULD WEAKEN TO A TROPICAL DEPRESSION BY THE TIME IT REACHES THE COAST OF MEXICO. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 977 MB...28.85 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...THE COMBINATION OF VANCE AND MOISTURE SPREADING NORTHWARD AHEAD OF THE SYSTEM ARE EXPECTED TO PRODUCE RAINFALL TOTALS OF 4 TO 8 INCHES WITH ISOLATED AMOUNTS NEAR 12 INCHES THROUGH WEDNESDAY OVER THE STATES OF SINALOA...NAYARIT....AND DURANGO IN WESTERN MEXICO. THESE RAINS ARE LIKELY TO PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN AREAS OF MOUNTAINOUS TERRAIN. SURF...SWELLS GENERATED BY VANCE WILL BE AFFECTING PORTIONS OF THE COAST OF SOUTHWESTERN MEXICO AND BAJA CALIFORNIA SUR TODAY AND TONIGHT. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...1000 AM PST. NEXT COMPLETE ADVISORY...100 PM PST. $$ FORECASTER BEVEN NNNN
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