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

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000 FXUS64 KMRX 240326 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 1026 PM EST MON FEB 23 2015 .DISCUSSION...SKIES ARE MOSTLY CLOUDY NOW ACROSS THE FORECAST AREA THIS EVENING WITH ARCTIC AIR MASS CONTINUING TO BRING IN COLD DRY AIR FROM THE NORTHEAST. TEMPERATURES RANGE FROM THE LOWER 30S SOUTH TO THE MID AND UPPER TEENS SW VA AND NORTHERN PLATEAU. MODELS HAVE COME INTO BETTER AGREEMENT THIS EVENING WITH INCREASED PRECIPITATION AND MOVEMENT FARTHER WEST OF THAT PRECIPITATION AS LIFT INCREASES WHEN SHORTWAVE MOVES ACROSS EAST TN LATE TONIGHT AND TUESDAY MORNING. HAVE INCREASED SNOWFALL AMOUNTS SEVERAL INCHES OVER THE MOUNTAINS AND ALSO ACROSS THE EAST TN VALLEY AND SOUTHWEST VIRGINIA. HAVE ISSUED A WINTER STORM WARNING FOR THE EASTERN TN MOUNTAINS AS AMOUNTS WILL LIKELY EXCEED 4 INCHES AND MAY EXCEED 7 INCHES IN SOME LOCATIONS BY AROUND 18-21Z TUESDAY. EXPANDED WINTER WEATHER ADVISORY TO INCLUDE THE TN VALLEY NORTH OF CHATTANOOGA MAINLY EAST OF I-75 AND FROM ROANE COUNTY NORTH TO THE KY BORDER. THIS IS ALMOST ALL OF EAST CENTRAL TENNESSEE AND ALSO ADDED NORTHEAST TENNESSEE AND SOUTHWEST VIRGINIA. THE CUMBERLAND PLATEAU COUNTIES SHOULD SEE LIGHTER AMOUNTS. THE SNOW IS STILL EXPECTED TO BEGIN AFTER MIDNIGHT TO ABOUT 8 OR 9Z AND CONTINUE FOR 6 TO 9 HOURS BEFORE TAPERING OFF TUESDAY AFTERNOON. AMOUNTS MAY NEED TO BE INCREASED LATER AS NEW MODEL DATA COMING IN NOW IS EVEN HIGHER THAN WHAT WAS SHOWING EARLIER THIS EVENING. SEE THE WSW PRODUCT FOR MORE INFORMATION. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 26 42 26 40 / 60 60 10 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 23 40 26 38 / 80 80 10 20 OAK RIDGE, TN 22 38 25 38 / 70 60 10 10 TRI CITIES AIRPORT, TN 19 35 23 35 / 80 80 10 10 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...WINTER WEATHER ADVISORY FROM 1 AM TO 4 PM EST TUESDAY FOR CHEROKEE-CLAY. TN...WINTER WEATHER ADVISORY FROM 1 AM TO 4 PM EST TUESDAY FOR ANDERSON-BRADLEY-CAMPBELL-CLAIBORNE-EAST POLK-GRAINGER- HAMBLEN-HANCOCK-HAWKINS-JEFFERSON-JOHNSON-KNOX-LOUDON- MCMINN-NW BLOUNT-NORTH SEVIER-NORTHWEST CARTER-NORTHWEST COCKE-NORTHWEST GREENE-NORTHWEST MONROE-ROANE-SOUTHEAST CARTER-SULLIVAN-UNICOI-UNION-WASHINGTON TN-WEST POLK. WINTER STORM WARNING FROM 1 AM TO 4 PM EST TUESDAY FOR BLOUNT SMOKY MOUNTAINS-COCKE SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST GREENE-SOUTHEAST MONROE. VA...WINTER WEATHER ADVISORY FROM 1 AM TO 4 PM EST TUESDAY FOR LEE- RUSSELL-SCOTT-WASHINGTON-WISE. && $$ TD

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