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| #445727 (Received by flhurricane at: 7:34 PM 29.Jul.2011) TCPAT4 BULLETIN TROPICAL STORM DON INTERMEDIATE ADVISORY NUMBER 9A NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 700 PM CDT FRI JUL 29 2011 ...CENTER OF DON ABOUT TO MAKE LANDFALL ON THE TEXAS COAST NEAR BAFFIN BAY...STRENGTHENING NO LONGER ANTICIPATED... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...27.1N 97.1W ABOUT 50 MI...85 KM SSE OF CORPUS CHRISTI TEXAS ABOUT 85 MI...135 KM NNE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE TROPICAL STORM WARNING NORTH OF PORT OCONNOR 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 PORT OCONNOR 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 700 PM CDT...0000 UTC...THE CENTER OF TROPICAL STORM DON WAS LOCATED NEAR LATITUDE 27.1 NORTH...LONGITUDE 97.1 WEST. DON IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR SO. ON THE FORECAST TRACK...THE CENTER OF DON IS EXPECTED TO REACH THE COAST NEAR BAFFIN BAY ON THE SOUTHERN TEXAS COAST IN THE NEXT HOUR OR SO...AND THEN MOVE INLAND ACROSS SOUTHERN TEXAS TONIGHT AND SATURDAY. BUOY AND RECONNAISSANCE AIRCRAFT DATA INDICATE THAT DON HAS NOT STRENGTHENED. MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS...AND THESE WINDS ARE CONFINED TO A VERY SMALL AREA JUST TO THE NORTH AND EAST OF THE CENTER. STEADY WEAKENING IS EXPECTED AFTER LANDFALL AND DON IS FORECAST TO DISSIPATE OVER SOUTHERN TEXAS BY SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM MAINLY TO THE NORTH AND EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE FROM A RECONNAISSANCE AIRCRAFT IS 1004 MB...29.65 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA DURING THE NEXT SEVERAL HOURS. STORM SURGE...STORM SURGE AND TIDES WILL INCREASE WATER LEVELS 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 STORM TIDE WILL BE ACCOMPANIED BY LARGE AND DAMAGING WAVES. RAINFALL...DON IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES FROM SOUTH TEXAS INTO EXTREME NORTHEASTERN MEXICO... WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 6 INCHES. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF SOUTH TEXAS TONIGHT. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER AVILA |
