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

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000 FXUS64 KMRX 200111 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 911 PM EDT SAT JUL 19 2014 .DISCUSSION...WEAK TROUGH WITH WEAKENING INSTABILITY AND CONVERGENCE AHEAD OF SURFACE TROUGH WEST OF THE CUMBERLAND PLATEAU. MODELS INDICATE THE LINE OF SHOWERS ON THE WESTERN EDGE OF THE PLATEAU GRADUALLY THIN OUT THROUGH THE OVERNIGHT PERIOD WHILE A WEAK DOWN SLOPE COMPONENT OVER NORTHEAST TENNESSEE LIMITS PROBABILITY OF PRECIP IN THIS AREA. THUS...WILL LOWER POPS THROUGH THE OVERNIGHT HOURS. ALSO LOOKS LIKE MIN TEMPS MAY NEED TO BE TWEAKED A DEGREE OR TWO HIGHER IN THE MOIST ENVIRONMENT IN PLACE ACROSS THE REGION. WILL KEEP THE PATCHY FOG CONCEPT GOING. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 68 86 69 88 / 30 40 20 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 65 85 67 87 / 40 40 20 20 OAK RIDGE, TN 66 85 67 88 / 40 40 20 20 TRI CITIES AIRPORT, TN 62 83 64 84 / 50 40 20 20 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$

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