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

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000 FXUS64 KMRX 260818 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 418 AM EDT THU MAR 26 2015 .SHORT TERM...
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(TODAY AND TONIGHT)...MOSTLY CLOUDY SKIES CONTINUE OVER THE FORECAST AREA WITH MILD TEMPERATURES ESPECIALLY FOR THIS TIME OF YEAR. CURRENT READINGS ARE IN THE MID 50S TO MID 60S. A COLD FRONT LIES OVER KY INTO NORTHERN AR AND TX APPROACHING THE MS RIVER. SHOWERS AND THUNDERSTORMS SOME STRONG WERE NOW MAINLY JUST ALONG THE FRONT FROM WESTERN KY AND SOUTHEAST THROUGH NORTHERN AR INTO NORTHEAST TX. UPPER TROUGH MOVING INTO THE CENTRAL STATES WITH COLD FRONT OVER OHIO VALLEY TO MOVE EAST SOUTHEAST. THE SHOWERS AND STORMS ARE EXPECTED TO MOVE INTO THE NORTHERN PLATEAU COUNTIES LATE THIS MORNING AND THEN THE REST OF THE FORECAST AREA DURING THE AFTERNOON AS THE FRONT MOVES EAST SOUTHEAST. A CHANCE OF THUNDERSTORMS WILL CONTINUE ALONG THE FRONT BUT ARE NOT EXPECTED TO BE SEVERE AS UPPER LEVEL SUPPORT WEAKENS AND MOVES NORTHEAST. HIGHS TODAY WILL BE ONCE AGAIN BE IN THE LOWER TO MID 70S AND THEN FALL DURING THE AFTERNOON AS THE FRONT MOVES THROUGH. TEMPERATURES WILL CONTINUE TO FALL OVERNIGHT REACHING THE 30S TO NEAR 40 BY FRIDAY MORNING. THE SHOWERS WILL LIKELY CHANGE TO SNOW SHOWERS BY MORNING ACROSS HIGHER ELEVATIONS OF SOUTHWEST VA AND EASTERN TENNESSEE MOUNTAINS. LITTLE TO NO ACCUMULATION EXPECTED EXCEPT POSSIBLY AROUND AN INCH HIGHEST ELEVATIONS WISE AND RUSSELL COUNTIES. .LONG TERM...(FRIDAY THROUGH WEDNESDAY)...DEEP LONG WAVE TROUGH ESTABLISHES OVER THE EASTERN U.S. OF A. FRIDAY THROUGH SATURDAY NIGHT. VERY COLD TEMPERATURES IN STORE FOR THE WEEKEND WITH WIDESPREAD FREEZING TEMPERATURES SATURDAY AND SUNDAY MORNING. MODEST LAPSE RATE AND LIMITED MOISTURE WILL ALLOW FOR CONTINUED SHOWERS ON FRIDAY. THIS ACTIVITY WILL CHANGE TO WIDELY SCATTERED LIGHT SNOW SHOWERS ACROSS NE AREAS AND THE SMOKIES FRIDAY EVENING INTO EARLY SAT MORNING. UPPER RIDGE MOVES EAST INTO THE AREA ON SUNDAY WITH MILD WARM UP. SHORT WAVE MOVES THROUGH THE CENTRAL APPALACHIANS ON MONDAY. ANOTHER ROUND OF SHOWERS BEGINS SUNDAY NIGHT AND CONTINUES ON MONDAY AS FRONTAL BOUNDARY SAGS S INTO THE AREA. FRONT WILL SLOWLY RETURN AS A WARM FRONT THROUGH THE MID WEEK WITH AN INCREASING CHANCE OF SHOWERS LATER TUESDAY INTO WEDNESDAY.
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&& .PRELIMINARY POINT TEMPS/POPS...
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CHATTANOOGA AIRPORT, TN 76 41 54 29 / 80 80 10 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 75 40 50 27 / 70 80 20 10 OAK RIDGE, TN 75 38 51 27 / 80 80 20 10 TRI CITIES AIRPORT, TN 74 40 47 23 / 60 90 30 20
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$ TD/SON

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