000 WTNT34 KNHC 211800 TCPAT4 BULLETIN TROPICAL STORM DOLLY INTERMEDIATE ADVISORY NUMBER 5A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042008 100 PM CDT MON JUL 21 2008 ...DOLLY MOVING QUICKLY NORTHWESTWARD OVER THE SOUTHERN GULF... A HURRICANE WATCH IS IN EFFECT FROM RIO SAN FERNANDO MEXICO NORTHWARD...ACROSS THE BORDER BETWEEN MEXICO AND THE UNITED STATES...AND ALONG THE TEXAS COAST TO PORT O'CONNOR. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. A TROPICAL STORM WATCH IS IN EFFECT FOR THE COAST OF MEXICO FROM LA PESCA NORTHWARD TO SOUTH OF RIO SAN FERNANDO...AND FOR THE TEXAS COAST FROM NORTH OF PORT O'CONNOR TO SAN LUIS PASS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. AT 100 PM CDT...1800 UTC...THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING FOR THE YUCATAN PENINSULA OF MEXICO. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 100 PM CDT...1800Z...THE CENTER OF TROPICAL STORM DOLLY WAS LOCATED NEAR LATITUDE 22.8 NORTH...LONGITUDE 90.4 WEST OR ABOUT 475 MILES...765 KM...EAST-SOUTHEAST OF THE COAST OF THE LOWER RIO GRANDE VALLEY OF SOUTH TEXAS AND NORTHEASTERN MEXICO. DOLLY IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/HR. A GRADUAL DECREASE IN FORWARD SPEED IS FORECAST DURING THE NEXT COUPLE OF DAYS...WITH LITTLE CHANGE IN THE DIRECTION OF MOTION. ON THIS TRACK...DOLLY WILL BE APPROACHING THE COAST OF THE WESTERN GULF OF MEXICO BY TUESDAY NIGHT AND WEDNESDAY. REPORTS FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS REMAIN NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST...AND DOLLY COULD BECOME A HURRICANE BY TOMORROW. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY THE AIRCRAFT WAS 1005 MB...29.68 INCHES. DOLLY IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF TWO TO FOUR INCHES ACROSS THE NORTHERN YUCATAN PENINSULA OF MEXICO WITH ISOLATED MAXIMUM AMOUNTS UP TO SIX INCHES. REPEATING THE 100 PM CDT POSITION...22.8 N...90.4 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 18 MPH. MAXIMUM SUSTAINED WINDS...50 MPH. MINIMUM CENTRAL PRESSURE...1005 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 400 PM CDT. $$ FORECASTER KNABB