ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE HILARY ADVISORY NUMBER 31 NWS NATIONAL HURRICANE CENTER MIAMI FL EP092011 200 PM PDT WED SEP 28 2011 ...NOAA AIRCRAFT FINDS HILARY IS STILL A HURRICANE... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...19.0N 118.9W ABOUT 640 MI...1030 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...980 MB...28.94 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 HURRICANE HILARY WAS LOCATED NEAR LATITUDE 19.0 NORTH...LONGITUDE 118.9 WEST. HILARY IS MOVING TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/H. A TURN TOWARD THE NORTH-NORTHWEST IS EXPECTED BY TONIGHT...AND A NORTH- NORTHWESTWARD MOTION IS EXPECTED TO CONTINUE THROUGH FRIDAY. DATA FROM A NOAA HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS REMAIN NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. HILARY IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND HILARY IS EXPECTED TO BECOME A TROPICAL STORM TONIGHT AND WEAKEN TO A REMNANT LOW ON FRIDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM. THE MINIMUM CENTRAL PRESSURE BASED ON DATA FROM THE AIRCRAFT IS 980 MB...28.94 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...SWELLS GENERATED BY HILARY ARE AFFECTING PORTIONS OF THE COAST OF SOUTHERN BAJA CALIFORNIA. THESE SWELLS ARE LIKELY CAUSING LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 PM PDT. $$ FORECASTER BRENNAN NNNN
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