[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 061722
SWOMCD
SPC MCD 061721
WVZ000-VAZ000-TNZ000-KYZ000-062315-

Mesoscale Discussion 0039
NWS Storm Prediction Center Norman OK
1121 AM CST Thu Jan 06 2022

Areas affected...portions of central into eastern
Kentucky...northeast Tennessee...extreme western Virginia...extreme
western West Virginia

Concerning...Heavy snow

Valid 061721Z - 062315Z

SUMMARY...Periods of heavy snow are expected to continue through the
afternoon hours. 1-2 inch/hour snowfall rates and brief reductions
in visibility are possible with the heavier snowbands.

DISCUSSION...A 1012 mb surface low across central Alabama continues
to track east-northeastward in tandem with a 500 mb impulse pivoting
around broader cyclonic flow. A deep, moist airmass continues to
advect northward ahead of the surface low. Quasi-geostrophic ascent
will continue to foster deep-layer lifting of this deep, moist
airmass as it advects northward amid sub-freezing vertical profiles
(noted via 15Z RAP forecast soundings valid for 18Z). Given the
presence of a near-saturated troposhere, very efficient snowfall
production is expected within the -12 to -17C dendritic growth
layer, with 1-2 inch/hour snowfall rates and periods of reduced
visibility expected in the heavier snowbands.

..Squitieri.. 01/06/2022

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...RNK...RLX...MRX...JKL...ILN...LMK...OHX...PAH...

LAT...LON   36058438 35908559 35888637 36268730 36738753 37318744
            37678661 38268436 38408331 38358254 38258204 38168178
            37618129 37148138 36818167 36428238 36228347 36058438
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