ZCZC MIATCPAT2 ALL TTAA00 KNHC DDHHMM BULLETIN POST-TROPICAL CYCLONE HELENE ADVISORY NUMBER 14 NWS NATIONAL HURRICANE CENTER MIAMI FL AL072012 1000 PM CDT SAT AUG 18 2012 ...HELENE DEGENERATES INTO A BROAD AREA OF LOW PRESSURE...THIS IS THE LAST ADVISORY... SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...22.8N 99.1W ABOUT 85 MI...140 KM WNW OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 3 MPH...6 KM/H MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1000 PM CDT...0300 UTC...THE CENTER OF POST-TROPICAL CYCLONE HELENE WAS LOCATED NEAR LATITUDE 22.8 NORTH...LONGITUDE 99.1 WEST. THE LOW IS EXPECTED TO MOVE TOWARD THE NORTHWEST AT 3 MPH...6 KM/H UNTIL DISSIPATION. MAXIMUM SUSTAINED WINDS ARE NEAR 30 MPH...45 KM/H...WITH HIGHER GUSTS IN A FEW SQUALLS. THE LOW IS FORECAST TO DISSIPATE ON SUNDAY. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1009 MB...29.80 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...THE LOW IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ACROSS NORTHEASTERN PORTIONS OF MEXICO FROM NORTHERN VERACRUZ INTO SOUTHERN TAMAULIPAS AND EASTERN SAN LUIS STATES...WITH ISOLATED STORM TOTAL AMOUNTS OF 8 INCHES POSSIBLE. THESE RAINS COULD PRODUCE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES OVER MOUNTAINOUS TERRAIN. NEXT ADVISORY ------------- THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. $$ FORECASTER AVILA NNNN
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