ZCZC MIAWRKAP4 LOC TTAA00 KNHC DDHHMM BULLETIN HURRICANE ANDREW ADVISORY NUMBER 30 NATIONAL WEATHER SERVICE MIAMI FL 5 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...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. ALL PRECAUTIONS TO PROTECT LIFE AND PROPERTY...INCLUDING EVACUATIONS ORDERED BY EMERGENCY MANAGEMENT OFFICIALS...SHOULD BE RUSHED TO COMPLETION. AT 5 PM EDT...2100Z...THE CENTER OF ANDREW WAS LOCATED NEAR LATITUDE 25.4 NORTH...LONGITUDE 76.5 WEST OR ABOUT 240 MILES ...385 KM...EAST OF MIAMI FLORIDA. ANDREW IS MOVING TOWARD THE WEST NEAR 16 MPH...26 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. HURRICANE CONDITIONS ARE SPREADING OVER THE NORTHWEST AND CENTRAL BAHAMAS AT THE PRESENT TIME. HOPE TOWN ON GREAT ABACO ISLAND REPORTED WINDS TO 60 MPH DURING THE PAST HOUR. ON THE PRESENT COURSE...TROPICAL STORM FORCE WINDS SHOULD BEGIN ON THE SOUTHEAST FLORIDA COAST AFTER MIDNIGHT...WITH HURRICANE CONDITIONS EXPECTED IN THE PREDAWN HOURS. THIS IS A DANGEROUS CATEGORY FOUR HURRICANE WITH MAXIMUM SUSTAINED WINDS NEAR 150 MPH...240 KM/HR...IN A SMALL AREA NEAR THE CENTER. SOME FLUCTUATIONS IN STRENGTH ARE LIKELY BEFORE LANDFALL. 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 923 MB...27.26 INCHES. STORM SURGE FLOODING OF 10 TO 14 FEET ABOVE NORMAL TIDES ARE POSSIBLE FOR SOME LOCATIONS IN THE NW BAHAMAS...WITH UP TO 18 FEET POSSIBLE FOR THE NW 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. REPEATING THE 5 PM EDT POSITION...25.4 N... 76.5 W. MOVEMENT TOWARD ...WEST NEAR 16 MPH. MAXIMUM SUSTAINED WINDS...150 MPH. MINIMUM CENTRAL PRESSURE... 923 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 8 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY ISSUANCE AT 11 PM EDT. MAYFIELD