000 ABUS99 KMRX 211833 SYNMRX REGIONAL WEATHER SYNOPSIS NATIONAL WEATHER SERVICE MORRISTOWN TN 230 PM EDT TUE MAY 21 2013 .SYNOPSIS... SHOWERS AND THUNDERSTORMS...ASSOCIATED WITH AN APPROACHING COLD FRONT...WILL BEGIN TO AFFECT THE SOUTHERN APPALACHIAN REGION ON WEDNESDAY...AND LINGER THROUGH THURSDAY. DRY CONDITIONS WILL RETURN ON FRIDAY...AND CONTINUE INTO THE WEEKEND. $$