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

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000 FXUS64 KMRX 271116 AFDMRX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 716 AM EDT FRI MAR 27 2015 .AVIATION...FRONTO-GENETIC BAND OF LIGHT RAIN SHOWERS WILL MOVE EAST OF TRI BY 14Z. MVFR CEILINGS EARLY THIS MORNING WILL LIFT WITH VFR CONDITIONS ANTICIPATED BY LATE MORNING. ANOTHER SHORT- WAVE...CURRENTLY OVER MISSOURI/ARKANSAS...WILL MOVE SOUTHEAST ACROSS EAST TENNESSEE LATE THIS AFTERNOON AND EVENING. MAIN EFFECT FROM THIS WAVE WILL BE THE COLDER TEMPERATURES ALOFT (500MB TEMPERATURES DROPPING TO -30 TO -32C) STEEPENING THE LAPSE RATES OVER THE AREA. MODELS SHOW CAPES INCREASING TO OVER 100 J/KG...WHICH IS ENOUGH TO PRODUCE SCATTERED-BROKEN SHOWERS. MODELS POINT TO THE BEST AREA ACROSS TYS. OCCASIONAL MVFR CONDITIONS ANTICIPATE...MAINLY AT TRI AND TYS...DUE TO CEILING AND POTENTIAL VISIBILITY REDUCTION DUE TO SHOWERS. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 55 31 49 28 / 10 10 10 0 KNOXVILLE MCGHEE TYSON AIRPORT, TN 50 27 44 25 / 30 40 0 0 OAK RIDGE, TN 51 27 44 26 / 40 30 0 0 TRI CITIES AIRPORT, TN 48 26 39 21 / 30 30 10 0 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...FREEZE WATCH FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING FOR CHEROKEE-CLAY. FREEZE WARNING FROM 2 AM TO 11 AM EDT SATURDAY FOR CHEROKEE-CLAY. TN...FREEZE WATCH FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING FOR ANDERSON-BLEDSOE-BRADLEY-CAMPBELL-CLAIBORNE-EAST POLK- GRAINGER-HAMBLEN-HAMILTON-HANCOCK-HAWKINS-JEFFERSON-KNOX- LOUDON-MARION-MCMINN-MEIGS-MORGAN-NW BLOUNT-NORTH SEVIER- NORTHWEST CARTER-NORTHWEST COCKE-NORTHWEST GREENE-NORTHWEST MONROE-RHEA-ROANE-SCOTT TN-SEQUATCHIE-SOUTHEAST MONROE- SULLIVAN-UNION-WASHINGTON TN-WEST POLK. FREEZE WARNING FROM 2 AM EDT /1 AM CDT/ TO 11 AM EDT /10 AM CDT/ SATURDAY FOR ANDERSON-BLEDSOE-BRADLEY-CAMPBELL-CLAIBORNE- EAST POLK-GRAINGER-HAMBLEN-HAMILTON-HANCOCK-HAWKINS- JEFFERSON-KNOX-LOUDON-MARION-MCMINN-MEIGS-MORGAN-NW BLOUNT- NORTH SEVIER-NORTHWEST CARTER-NORTHWEST COCKE-NORTHWEST GREENE-NORTHWEST MONROE-RHEA-ROANE-SCOTT TN-SEQUATCHIE- SOUTHEAST MONROE-SULLIVAN-UNION-WASHINGTON TN-WEST POLK. VA...FREEZE WATCH FROM LATE SATURDAY NIGHT THROUGH SUNDAY MORNING FOR LEE-SCOTT-WASHINGTON. FREEZE WARNING FROM 2 AM TO 11 AM EDT SATURDAY FOR LEE-SCOTT- WASHINGTON. && $$

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