ZCZC MIATCPAT4 TTAA00 KNHC 240249 BULLETIN HURRICANE ANDREW ADVISORY NUMBER 31 NATIONAL WEATHER SERVICE MIAMI FL 11 PM EDT SUN AUG 23 1992 ...EXTREMELY DANGEROUS HURRICANE ANDREW BEARING DOWN ON SOUTHEAST FLORIDA... HURRICANE WARNINGS REMAIN IN EFFECT FOR THE CENTRAL AND NORTHWEST BAHAMAS...THE FLORIDA EAST COAST FROM VERO BEACH SOUTHWARD THROUGH THE FLORIDA KEYS TO THE DRY TORTUGAS INCLUDING FLORIDA BAY...THE FLORIDA WEST COAST SOUTH OF VENICE...AND FOR LAKE OKEECHOBEE. A HURRICANE WATCH AND A TROPICAL STORM WARNING ARE IN EFFECT FOR THE FLORIDA EAST COAST FROM VERO BEACH NORTHWARD TO TITUSVILLE...AND ON THE FLORIDA WEST COAST NORTH OF VENICE TO BAYPORT. AT 11 PM EDT...0300Z...THE CENTER OF ANDREW WAS LOCATED NEAR LATITUDE 25.4 NORTH...LONGITUDE 78.1 WEST OR ABOUT 135 MILES ...220 KM...EAST OF MIAMI. ANDREW IS MOVING TOWARD THE WEST NEAR 16 MPH...26 KM/HR... AND THIS MOTION IS EXPECTED TO CONTINUE THROUGH MONDAY. ON THIS PATH THE CENTER OF ANDREW WILL CROSS THE COAST NEAR MIAMI FLORIDA AROUND DAYBREAK MONDAY MORNING. ALL PRECAUTIONS TO PROTECT LIFE AND PROPERTY SHOULD NOW BE COMPLETED. TROPICAL STORM FORCE WINDS ARE EXPECTED TO SPREAD ACROSS PORTIONS OF THE SOUTHEAST FLORIDA COAST DURING THE NEXT FEW HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 140 MPH...225 KM/HR...AND SOME FLUCTUATIONS IN STRENGTH ARE LIKELY PRIOR TO LANDFALL. NASSAU...BAHAMAS...REPORTED SUSTAINED WINDS OF 85 MPH...WITH GUSTS TO 105 MPH NEAR 830 PM EDT...0030Z. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES... 45 KM... FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 937 MB...27.67 INCHES. STORM SURGE FLOODING OF 10 TO 14 FEET ABOVE NORMAL TIDES ARE POSSIBLE FOR SOME LOCATIONS ON THE NORTHWEST BAHAMAS...WITH UP TO 18 FEET POSSIBLE FOR THE NORTHWEST SIDE OF ELEUTHERA ISLAND. STORM SURGES OF 7 TO 10 FEET ABOVE NORMAL TIDES ARE POSSIBLE FOR THE FLORIDA EAST COAST AND KEYS NEAR TO WHERE THE CENTER MAKES LANDFALL IN SOUTHEAST FLORIDA...WITH POSSIBLE HEIGHTS OF 9 TO 13 FEET IN BISCAYNE BAY. STORM SURGES OF 7 TO 11 FEET ARE POSSIBLE ON THE FLORIDA WEST COAST NEAR AND TO THE SOUTH OF THE CENTER AFTER THE PASSAGE OF THE HURRICANE. RAINFALL AMOUNTS OF 5 TO 8 INCHES ARE EXPECTED ALONG THE PATH OF THE HURRICANE. A FEW ISOLATED TORNADOES ARE POSSIBLE IN SOUTH AND CENTRAL FLORIDA TONIGHT AND TOMORROW. REPEATING THE 11 PM EDT POSITION...25.4 N... 78.1 W. MOVEMENT TOWARD ...WEST NEAR 16 MPH. MAXIMUM SUSTAINED WINDS...140 MPH. MINIMUM CENTRAL PRESSURE... 937 MB. INTERMEDIATE ADVISORIES WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1 AM EDT AND 3 AM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY ISSUANCE AT 5 AM EDT...MONDAY. RAPPAPORT/GERRISH/PASCH