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

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
-- Highlight Changed Discussion --
-- Discussion containing changed information from previous version are highlighted. --
000 FXUS64 KMRX 152002 AFDMRX Area Forecast Discussion National Weather Service Morristown TN 302 PM EST Wed Feb 15 2017 .SHORT TERM...
-- Changed Discussion --
(Tonight and Thursday)...Surface high pressure will build into the region. Some sheared energy rotating around the Northeast US upper low will help to bring some high/mid clouds especially north late tonight into thursday, but no precipitation is anticipated for the short term period. Temperatures will be not far from seasonal normals. Just some minor adjustments to MAV temps. .LONG TERM...(Thursday night through Wednesday)...Dry NW flow ahead of Midwest ridge starts to shift east Thursday night as surface high pressure drifts east along the Gulf coast. One more cold night early Friday with lows again near to slightly below freezing. Warming trend Friday as surface winds switch to southwest. Highs about 10 to 12 degrees above normal...upper 50s to mid 60s. Models still want to take a closed low from Arkansas early Saturday and across Tennessee during the day then east across the Carolinas Saturday night into Sunday morning. Rain to spread from southwest to northeast during the day Saturday as the upper low moves east. Convection along the Gulf Coast late Saturday and Saturday night may limit moisture return so only light amounts of rain expected. System will shift east by Sunday morning. As skies clear Sunday highs actually will be warmer and ridge of high pressure begins to build over the southeast states. This ridge expands Monday then begins to break down Tuesday as front moves into Ohio Valley and surface low and weak front moves across Texas gulf coast toward the Mississippi River. Moisture will gradually increase Tuesday with a chance of showers late...continuing into Wednesday. Temperatures will stay much above normal Sunday through Wednesday. Highs will be in the 60s Sunday...then upper 60s to lower 70s Monday and Tuesday. Slightly cooler Wednesday with a chance of showers.
-- End Changed Discussion --
&& .PRELIMINARY POINT TEMPS/POPS...
-- Changed Discussion --
Chattanooga Airport, TN 31 56 36 64 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 28 53 33 61 / 0 0 0 0 Oak Ridge, TN 29 53 34 60 / 0 0 0 0 Tri Cities Airport, TN 26 50 28 60 / 0 0 0 0
-- End Changed Discussion --
&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...None. TN...None. VA...None. && $$ LW

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.