ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM ALVIN ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL EP012013 200 PM PDT THU MAY 16 2013 ...ALVIN STRUGGLING... ...MAY NOT SURVIVE AS A TROPICAL CYCLONE FOR MUCH LONGER... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...9.5N 109.1W ABOUT 730 MI...1175 KM SSW OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 PM PDT...2100 UTC...THE CENTER OF TROPICAL STORM ALVIN WAS LOCATED NEAR LATITUDE 9.5 NORTH...LONGITUDE 109.1 WEST. ALVIN IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH SATURDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 45 MPH...75 KM/H... WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS...BUT ALVIN COULD DEGENERATE INTO A TROUGH OF LOW PRESSURE AT ANY TIME. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 PM PDT. $$ FORECASTER BERG NNNN
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