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Area Forecast Discussion

896
FXUS64 KMRX 281910
AFDMRX

Area Forecast Discussion
National Weather Service Morristown TN
310 PM EDT SAT MAY 28 2016

.SHORT TERM...(tonight and tomorrow)...
The issue of the short term will be how/if the tropical system off
the SC coast will impact our area as it tracks NW. A shortwave
trough will be crossing the area late tonight/early tomorrow...which
may pick up some moisture from the tropical system and spread it
across our eastern sections. With the best lift and moisture to our
east...we should have some weak instability and a little upper
divergence to help things along. Will have chance pops for areas
east of Knoxville with slight chance pops west. Temps tomorrow will
be dependent on how thick the high/midlevel clouds will be. Clouds
should be thicker in northeast sections...and will have highs in
the mid-upper 70s there with mid-upper 80s central and south.

.LONG TERM...(Sunday night through Saturday)...
Warm and humid conditions will continue with only slight chance to
chance pops mainly eastern areas sunday evening through tuesday. A
tropical depression along the South Carolina coast will move little
during that time but eventually weaken and drift off the North
Carolina coast by mid week. There will be a chance of showers and
storms mainly along the eastern mountains and extreme northeast
at least through monday as the tropical system brings moisture
inland over the Carolina`s. Rain chances increase wednesday and
continue through saturday as a weak cold front and upper trough
moves into the Ohio valley then across the Tennessee valley
thursday and friday. This system then stalls along or just east of
the Appalachians saturday. Highs will stay in the mid 80s to lower
90s through wednesday then start cooling thursday through saturday
down to the mid 70s to mid 80s with more cloud cover and increased
rain chances. Only light rainfall amounts expected outside of
thunderstorms through early thursday. More significant rains could
fall thursday and friday with front across the forecast area.

&&

.PRELIMINARY POINT TEMPS/POPS...
Chattanooga Airport, TN             63  89  65  91 /  10  20  10  10
Knoxville McGhee Tyson Airport, TN  64  86  65  87 /  10  30  10  10
Oak Ridge, TN                       64  87  64  87 /  10  20  10  10
Tri Cities Airport, TN              61  78  57  84 /  20  50  20  20

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...None.
TN...None.
VA...None.
&&

$$

DGS/TD



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