000 WTNT24 KNHC 281440 TCMAT4 TROPICAL STORM DON FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 1500 UTC THU JUL 28 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A TROPICAL STORM WARNING IS NOW IN EFFECT FOR THE TEXAS COAST FROM PORT MANSFIELD TO SAN LUIS PASS. 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. TROPICAL STORM CENTER LOCATED NEAR 24.1N 90.1W AT 28/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 305 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1001 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 50NE 40SE 0SW 0NW. 12 FT SEAS.. 90NE 30SE 0SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 24.1N 90.1W AT 28/1500Z AT 28/1200Z CENTER WAS LOCATED NEAR 23.7N 89.5W FORECAST VALID 29/0000Z 24.9N 91.5W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 60NE 45SE 30SW 30NW. FORECAST VALID 29/1200Z 26.1N 93.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 25NE 0SE 0SW 0NW. 34 KT... 75NE 60SE 45SW 45NW. FORECAST VALID 30/0000Z 27.3N 96.0W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 25NE 0SE 0SW 0NW. 34 KT... 75NE 60SE 45SW 60NW. FORECAST VALID 30/1200Z 28.5N 98.2W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 75NE 60SE 30SW 30NW. FORECAST VALID 31/1200Z 30.0N 102.0W...INLAND POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM ON DAY 4 AND 325 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY OUTLOOK VALID 01/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.1N 90.1W NEXT ADVISORY AT 28/2100Z $$ FORECASTER BEVEN