000 WTNT34 KNHC 281134 TCPAT4 BULLETIN TROPICAL STORM DON INTERMEDIATE ADVISORY NUMBER 3A NWS NATIONAL HURRICANE CENTER MIAMI FL AL042011 700 AM CDT THU JUL 28 2011 ...DON MOVING WEST-NORTHWESTWARD ACROSS THE SOUTHERN GULF OF MEXICO...HURRICANE HUNTER PLANE APPROACHING THE SYSTEM... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...24.0N 89.8W ABOUT 545 MI...875 KM ESE OF CORPUS CHRISTI TEXAS ABOUT 495 MI...795 KM ESE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * TEXAS COAST FROM THE MOUTH OF THE RIO GRANDE NORTHWARD TO WEST OF SAN LUIS PASS 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 700 AM CDT...1200 UTC...THE CENTER OF TROPICAL STORM DON WAS LOCATED NEAR LATITUDE 24.0 NORTH...LONGITUDE 89.8 WEST. DON IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H. THIS GENERAL MOTION WITH AN INCREASE IN FORWARD SPEED IS EXPECTED THROUGH FRIDAY. ON THIS TRACK...THE CENTER OF DON SHOULD MOVE THROUGH THE SOUTHERN AND CENTRAL GULF OF MEXICO TODAY...AND APPROACH THE TEXAS COAST ON FRIDAY. MAXIMUM SUSTAINED WINDS REMAIN NEAR 40 MPH...65 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS POSSIBLE DURING THE NEXT 48 HOURS. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT IS EN ROUTE TO INVESTIGATE DON. DON IS A SMALL TROPICAL CYCLONE. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA BY LATE FRIDAY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1000 AM CDT. $$ FORECASTER BEVEN/KIMBERLAIN