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#445508 (Received by flhurricane at: 1:55 AM 29.Jul.2011) TCPAT4 BULLETIN TROPICAL STORM DON INTERMEDIATE ADVISORY NUMBER 6A NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 100 AM CDT FRI JUL 29 2011 ...DON CONTINUES MOVING WEST-NORTHWEST WITH LITTLE CHANGE IN STRENGTH... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...25.0N 93.0W ABOUT 335 MI...540 KM SE OF CORPUS CHRISTI TEXAS ABOUT 285 MI...455 KM ESE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1003 MB...29.62 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 RIO GRANDE TO SAN LUIS PASS A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 TO 36 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 AM CDT...0600 UTC...THE CENTER OF TROPICAL STORM DON WAS LOCATED NEAR LATITUDE 25.0 NORTH...LONGITUDE 93.0 WEST. DON IS MOVING TOWARD THE WEST-NORTHWEST NEAR 14 MPH...22 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE UNTIL LANDFALL LATE TODAY OR EARLY SATURDAY. MAXIMUM SUSTAINED WINDS REMAIN 50 MPH...85 KM/H...WITH HIGHER GUSTS. ONLY SLIGHT STRENGTHENING IS ANTICIPATED BEFORE THE CENTER REACHES THE TEXAS COAST. A GRADUAL WEAKENING SHOULD BEGIN THEREAFTER. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 100 MILES...160 KM MAINLY TO THE NORTH AND EAST OF THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT IS 1003 MB...29.62 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA BY LATE TODAY. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS 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 THE CENTRAL TEXAS COAST WESTWARD INTO SOUTH CENTRAL TEXAS...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 7 INCHES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER BLAKE/STEWART |