Area Forecast Discussion
Issued by NWS Nashville, TN

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FXUS64 KOHX 240000
AFDOHX

Area Forecast Discussion
National Weather Service Nashville TN
600 PM CST Tue Jan 23 2018

.UPDATE...
FOR 00Z AVIATION DISCUSSION.

&&

.DISCUSSION...

Considered expanding sprinkles westward across central TN as per
latest Hrrr data. However, models indicate that the moisture is
rather shallow. So, will make no changes to weather grids for now.
Otw, will maintain sprinkle and flurry chances across the
Plateau. GFS sounding progs over the Plateau bring freezing levels
down to support snow(as the active precip type if it occurs) just
aft 00z. Will reexamine moisture depth to determine if westward
light precip expansion is going to be warranted.
Low temps still appear to be on track as caa eventually wins out.

&&

.AVIATION...
00Z TAF DISCUSSION.

CKV/BNA/MQY/CSV...Persistence of mainly low level VFR ceilings is
anticipated potentially thru 24/16Z per analysis of sfc obs and
short term model consensus runs. Some iso light sprinkles to
flurries CSV possible thru 24/06Z, but impact on terminals
minimal, thus not mentioned. Sfc winds should remain generally
westerly 5-10kts thru 24/24Z.

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

$$

DISCUSSION......31
AVIATION........21



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