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| #150554 (Received by flhurricane at: 1:34 AM 13.Sep.2007) TCPAT4 BULLETIN HURRICANE HUMBERTO SPECIAL ADVISORY NUMBER 4 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092007 1215 AM CDT THU SEP 13 2007 ...HUMBERTO BECOMES A HURRICANE JUST BEFORE LANDFALL... ...HURRICANE FORCE WINDS COVER SMALL AREA NORTHEAST OF CENTER... AT 1215 AM CDT...0515Z...A HURRICANE WARNING HAS BEEN ISSUED FROM EAST OF HIGH ISLAND TEXAS TO CAMERON LOUISIANA. THE HURRICANE WARNING FOR HUMBERTO MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT FEW HOURS. A TROPICAL STORM WARNING REMAINS IN EFFECT FROM EAST OF SARGENT TEXAS TO HIGH ISLAND TEXAS...AND FROM EAST OF CAMERON LOUISIANA TO TO INTRACOASTAL CITY LOUISIANA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 1215 AM CDT...THE CENTER OF HURRICANE HUMBERTO WAS LOCATED NEAR LATITUDE 29.4 NORTH...LONGITUDE 94.4 WEST OR ABOUT 20 MILES...30 KM...EAST OF GALVESTON TEXAS...AND ABOUT 15 MILES...20 KM...SOUTH OF HIGH ISLAND TEXAS. HUMBERTO IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 8 MPH...13 KM/HR ...AND THIS GENERAL DIRECTION OF MOTION WITH SOME INCREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT 24 HOURS. ON THE FORECAST TRACK THE CENTER WILL BE CROSSING THE UPPER TEXAS COAST WITHIN THE NEXT FEW HOURS. DATA FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT AND DOPPLER RADAR INDICATE THAT THE MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 80 MPH...130 KM/HR...WITH HIGHER GUSTS...CONFINED TO A SMALL AREA NORTHEAST OF THE CENTER. HUMBERTO IS NOW A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. LITTLE ADDITIONAL STRENGTHENING IS EXPECTED PRIOR TO LANDFALL. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM... NORTHEAST OF THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 60 MILES...95 KM. MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY THE AIRCRAFT WAS 992 MB...29.29 INCHES. RAINFALL AMOUNTS OF 5 TO 10 INCHES ARE EXPECTED ALONG THE TRACK OF HUMBERTO THROUGH EASTERN TEXAS AS WELL AS WESTERN AND CENTRAL LOUISIANA...WITH ISOLATED MAXIMUM ACCUMULATIONS OF 15 INCHES POSSIBLE. COASTAL STORM SURGE FLOODING OF 3 TO 4 FEET ABOVE NORMAL TIDE LEVELS CAN BE EXPECTED NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL. ISOLATED TORNADOES ARE POSSIBLE IN SOUTHEASTERN TEXAS AND SOUTHWESTERN LOUISIANA THROUGH EARLY THURSDAY. REPEATING THE 1215 AM CDT POSITION...29.4 N...94.4 W. MOVEMENT TOWARD...NORTH-NORTHEAST NEAR 8 MPH. MAXIMUM SUSTAINED WINDS...80 MPH. MINIMUM CENTRAL PRESSURE...992 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 400 AM CDT. $$ FORECASTER MAINELLI/AVILA |
