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

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000 FXUS64 KMRX 211528 AFDMRX Area Forecast Discussion National Weather Service Morristown TN 1028 AM EST Tue Feb 21 2017 .DISCUSSION... Tweaked temperatures for today based on current obs -- the rain and clouds are taking a bit longer to get in here today, and temperatures are warming up this morning faster than previously forecasted. Also slowed down rain onset and cloud lowering this afternoon based on current radar trends and short term model forecasts. For now, have kept rain out of the far southwest until after 18Z and then slowly pushing north. The 14Z HRRR and 12Z NAM runs both show rain staying out of SW VA and NE TN until after 6Z. Will continue to monitor trends and may slow down rain onset in that area a bit with the next update. && .PRELIMINARY POINT TEMPS/POPS... Chattanooga Airport, TN 68 55 68 54 / 60 70 50 10 Knoxville McGhee Tyson Airport, TN 69 53 65 52 / 30 70 60 10 Oak Ridge, TN 71 53 66 53 / 30 70 60 10 Tri Cities Airport, TN 70 48 63 49 / 10 70 80 10 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...None. TN...None. VA...None. && $$ EMH

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