000 WTNT34 KNHC 282033 TCPAT4 BULLETIN TROPICAL STORM DON ADVISORY NUMBER 5 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 400 PM CDT THU JUL 28 2011 ...DON MOVING BRISKLY NORTHWESTWARD WITH LITTLE CHANGE IN STRENGTH... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...24.9N 91.3W ABOUT 425 MI...690 KM ESE OF CORPUS CHRISTI TEXAS ABOUT 395 MI...635 KM E OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 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 PORT MANSFIELD TO SAN LUIS PASS A TROPICAL STORM WATCH IS IN EFFECT FOR... * TEXAS COAST SOUTH OF PORT MANSFIELD TO THE MOUTH OF THE RIO GRANDE A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. 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. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL STORM DON WAS LOCATED NEAR LATITUDE 24.9 NORTH...LONGITUDE 91.3 WEST. DON IS MOVING TOWARD THE NORTHWEST NEAR 16 MPH...26 KM/H. A GENERAL NORTHWESTWARD TO WEST-NORTHWESTWARD MOTION IS FORECAST DURING THE NEXT 36 TO 48 HOURS. ON THE FORECAST TRACK...THE CENTER OF DON SHOULD APPROACH THE TEXAS COAST TONIGHT AND FRIDAY...THEN MAKE LANDFALL ALONG THE TEXAS COAST FRIDAY NIGHT OE EARLY SATURDAY MORNING. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/H...WITH HIGHER GUSTS. SOME SLOW STRENGTHENING IS POSSIBLE DURING THE NEXT 36 HOURS...FOLLOWED BY WEAKENING AFTER THE CENTER MAKES LANDFALL. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA BY LATE FRIDAY OR FRIDAY NIGHT. TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH AREA BY LATE FRIDAY OR FRIDAY NIGHT. 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 INTERMEDIATE ADVISORY...700 PM CDT. NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER BEVEN