ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL DEPRESSION IRWIN ADVISORY NUMBER 40 NWS NATIONAL HURRICANE CENTER MIAMI FL EP112011 800 PM PDT SAT OCT 15 2011 ...IRWIN WEAKENS TO A TROPICAL DEPRESSION... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...14.8N 107.3W ABOUT 350 MI...565 KM SW OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...SSW OR 200 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM PDT...0300 UTC...THE CENTER OF TROPICAL DEPRESSION IRWIN WAS LOCATED NEAR LATITUDE 14.8 NORTH...LONGITUDE 107.3 WEST. IRWIN IS MOVING TOWARD THE SOUTH-SOUTHWEST NEAR 9 MPH...15 KM/H...AND A TURN TOWARD THE SOUTHWEST AND WEST-SOUTHWEST WITH A DECREASE IN FORWARD SPEED IS EXPECTED ON SUNDAY. IRWIN COULD THEN BECOME NEARLY STATIONARY ON MONDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 35 MPH...55 KM/H... WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST THROUGH MONDAY...BUT IRWIN COULD DEGENERATE INTO A REMNANT LOW AT ANY TIME IF IT CEASES TO PRODUCE ORGANIZED SHOWERS AND THUNDERSTORMS. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB...29.71 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...200 AM PDT. $$ FORECASTER BERG NNNN
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