ZCZC MIATCPAT1 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE IGOR ADVISORY NUMBER 20 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 PM AST SUN SEP 12 2010 ...IGOR STILL INTENSIFYING... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...17.6N 47.8W ABOUT 1005 MI...1620 KM E OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...150 MPH...240 KM/HR PRESENT MOVEMENT...W OR 270 DEGREES AT 13 MPH...20 KM/HR MINIMUM CENTRAL PRESSURE...935 MB...27.61 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE EYE OF HURRICANE IGOR WAS LOCATED NEAR LATITUDE 17.6 NORTH...LONGITUDE 47.8 WEST. IGOR IS MOVING TOWARD THE WEST NEAR 13 MPH...20 KM/HR. A TURN TOWARD THE WEST-NORTHWEST WITH SOME DECREASE IN FORWARD SPEED IS EXPECTED TO BEGIN LATE MONDAY AND TUESDAY. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 150 MPH...240 KM/HR...WITH HIGHER GUSTS. IGOR IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME FLUCTUATION IN INTENSITY IS LIKELY DURING THE NEXT 48 HOURS...AND IGOR COULD BECOME A CATEGORY FIVE HURRICANE ON MONDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 160 MILES...260 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 935 MB...27.61 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BERG NNNN
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