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

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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. --
877 FXUS64 KMRX 261904 AFDMRX Area Forecast Discussion National Weather Service Morristown TN 304 PM EDT Sun Mar 26 2017 .SHORT TERM...
-- Changed Discussion --
(Tonight and Monday)...First mid/upper level trough will lift out as second approaches during the period. Current convection is expected to lift northeast with less activity overnight, although cannot rule out a shower at any time. Tomorrow will see instability increase again and with upper trough edging closer, expect scattered showers and thunderstorms especially in the afternoon. At this point instability does not look overly impressive for Monday and while a few strong to severe storms cannot be ruled out, the probability does not look great despite some shear. MAV temps generally look reasonable, so will not stray far from guidance. .LONG TERM...(Monday night through Sunday)... For the extended forecast period, it`s really just the same old story as the last couple days: The unsettled weather pattern will continue with series of systems moving through the area. Showers and thunderstorms will be ongoing to start the period, with an upper level shortwave positioned just to our east. Shower and thunderstorm chances will continue through at least the first half of Tuesday, but these should mainly be garden variety thunderstorms, and severe storms are not anticipated. The shortwave slowly pushes off the east coast Tuesday afternoon, and we should get a brief stretch of dry weather for Wednesday and the first half of Thursday as a weak ridge builds over the southeast US. Models continue to show differences with the next system, but the general consensus is another round of convection will move through Thursday into Friday as the center of a low pressure system tracks northeast just west of the forecast area. Some lingering showers are possible early Saturday behind the departing system, then another brief dry spell is expected before yet another system moves in at the end of the forecast period.
-- End Changed Discussion --
&& .PRELIMINARY POINT TEMPS/POPS...
-- Changed Discussion --
Chattanooga Airport, TN 56 76 60 78 / 20 50 60 40 Knoxville McGhee Tyson Airport, TN 57 76 58 75 / 20 40 70 60 Oak Ridge, TN 56 75 58 74 / 20 50 70 50 Tri Cities Airport, TN 52 77 53 70 / 30 40 60 60
-- End Changed Discussion --
&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...None. TN...None. VA...None. && $$ LW/EMH

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