ZCZC MIATCPEP1 ALL TTAA00 KNHC DDHHMM BULLETIN TROPICAL STORM IRWIN ADVISORY NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL EP112011 200 AM PDT WED OCT 12 2011 ...IRWIN WEAKENS A LITTLE... SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...15.2N 112.3W ABOUT 555 MI...895 KM SSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA ABOUT 590 MI...950 KM WSW OF MANZANILLO MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...ENE OR 75 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 AM PDT...0900 UTC...THE CENTER OF TROPICAL STORM IRWIN WAS LOCATED NEAR LATITUDE 15.2 NORTH...LONGITUDE 112.3 WEST. IRWIN IS MOVING TOWARD THE EAST-NORTHEAST NEAR 10 MPH...17 KM/H. SOME INCREASE IN FORWARD SPEED IS LIKELY LATER TODAY...FOLLOWED BY A TURN TOWARD THE EAST ON THURSDAY AND A GRADUAL DECREASE IN FORWARD SPEED. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/H... WITH HIGHER GUSTS. IRWIN COULD BECOME A TROPICAL DEPRESSION LATER TODAY...WITH LITTLE CHANGE IN STRENGTH EXPECTED AFTER THAT TIME. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1004 MB...29.65 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 AM PDT. $$ FORECASTER BLAKE NNNN
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