000 WTNT34 KNHC 290834 TCPAT4 BULLETIN TROPICAL STORM DON ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 400 AM CDT FRI JUL 29 2011 ...DON CONTINUES MOVING TOWARD SOUTH TEXAS... SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...25.3N 93.6W ABOUT 290 MI...470 KM SE OF CORPUS CHRISTI TEXAS ABOUT 245 MI...395 KM E OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WARNING FROM SAN LUIS PASS TO NORTH OF MATAGORDA TEXAS HAS BEEN DISCONTINUED. 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 400 AM CDT...0900 UTC...THE CENTER OF TROPICAL STORM DON WAS LOCATED NEAR LATITUDE 25.3 NORTH...LONGITUDE 93.6 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 NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS POSSIBLE UNTIL LANDFALL...WITH WEAKENING LIKELY BY SATURDAY MORNING. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 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. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...700 AM CDT. NEXT COMPLETE ADVISORY...1000 AM CDT. $$ FORECASTER BLAKE/STEWART