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| #445630 (Received by flhurricane at: 1:46 PM 29.Jul.2011) TCPAT4 BULLETIN TROPICAL STORM DON INTERMEDIATE ADVISORY NUMBER 8A NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 100 PM CDT FRI JUL 29 2011 ...HURRICANE HUNTER AIRCRAFT REPORTS DON STILL HAS WINDS NEAR 50 MPH... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...26.5N 95.6W ABOUT 145 MI...235 KM SE OF CORPUS CHRISTI TEXAS ABOUT 120 MI...195 KM ENE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 15 MPH...23 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * TEXAS COAST FROM THE MOUTH OF THE RIO GRANDE TO MATAGORDA A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. INTERESTS IN NORTHEASTERN MEXICO SHOULD MONITOR THE PROGRESS OF DON. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM DON WAS LOCATED NEAR LATITUDE 26.5 NORTH...LONGITUDE 95.6 WEST. DON IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...23 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 36 TO 48 HOURS. ON THE FORECAST TRACK...THE CENTER OF DON IS EXPECTED TO MAKE LANDFALL ON THE TEXAS COAST TONIGHT OR EARLY SATURDAY...AND THEN MOVE ACROSS SOUTHERN TEXAS ON SATURDAY. REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. SLIGHT STRENGTHENING IS POSSIBLE BEFORE LANDFALL... WITH STEADY WEAKENING EXPECTED AFTER LANDFALL. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM THE HURRICANE HUNTER AIRCRAFT DATA IS 1004 MB...29.65 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA BY LATE TODAY. STORM SURGE...WATER LEVELS WILL RISE BY AS MUCH AS 1 TO 2 FEET ABOVE GROUND LEVEL...MAINLY ALONG THE IMMEDIATE COAST NEAR AND TO THE NORTHEAST OF WHERE THE CENTER MAKES LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DAMAGING WAVES. RAINFALL...DON IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 3 TO 5 INCHES FROM SOUTH TEXAS INTO EXTREME NORTHEASTERN MEXICO... WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 7 INCHES. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF SOUTH TEXAS THIS AFTERNOON AND TONIGHT. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BEVEN/KIMBERLAIN |
