Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

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000 FXUS64 KMRX 221521 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 1121 AM EDT TUE APR 22 2014 .DISCUSSION...A WEAK COLD FRONT EXTENDS FROM CENTRAL OHIO SOUTHWEST THROUGH CENTRAL KY AND INTO WEST TN LATE THIS MORNING. AREA RADARS SHOWING SCATTERED SHOWERS MOVING ACROSS SOUTHWEST VIRGINIA AND PARTS OF CENTRAL EAST TENNEESSEE AND SOUTHEAST TENNESSEE. TEMPERATURES ARE VARYING DEPENDING ON SHOWER ACTIVITY FROM THE UPPER 50S TO THE UPPER 60S. DEW POINTS ARE IN THE UPPER 40S TO UPPER 50S. MOISTURE ADVECTION IS BRINGING MOISTURE LEVELS UP IN SOUTHERN AND CENTRAL AREAS. JUST IN THE PAST HOUR DEW POINTS HAVE COME UP IN NE SECTIONS TOO. FOR THE REST OF THE DAY SHOWERS WILL CONTINUE TO DEVELOP WITH HEATING WITH THE BEST CHANCES WESTERN AREAS NEXT FEW HOURS AND MID AFTERNOON EASTERN SECTIONS. THUNDERSTORMS POSSIBLE BUT ISOLATED AS INSTABILITY IS LACKING. RAINFALL AMOUNTS MAY ONLY BE AROUND A TENTH OR SO BUT COULD BE ONE QUARTER INCH OR MORE IF AIR MASS BECOMES UNSTABLE ENOUGH FOR THUNDERSTORMS. UPDATED FORECAST TO CHANGE TIMING SLIGHTLY FOR PRECIPITATION. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ TD

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