[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Tue Nov 12 02:25:53 CST 2019


ACUS11 KWNS 120825
SWOMCD
SPC MCD 120825
TNZ000-GAZ000-ALZ000-MSZ000-121230-

Mesoscale Discussion 2148
NWS Storm Prediction Center Norman OK
0225 AM CST Tue Nov 12 2019

Areas affected...portions of southeast TN...northern AL and far
east-central MS

Concerning...Freezing rain

Valid 120825Z - 121230Z

SUMMARY...Rain may transition to freezing rain from far east-central
MS into northern AL and southeast TN for a few hours through early
morning.

DISCUSSION...A strong cold front is pushing southeast across the
southern states early this morning, stretching from western NC into
northern GA, southeast AL and then just offshore coastal MS/LA.
Isentropic ascent over the front is resulting in a broad area of
mainly post-frontal showers from southern MS into AL and the
southern Appalachians. Near the back edge of this precipitation,
temperatures are dropping quickly, with temperatures at or below
freezing noted as far south as Starkville MS to Huntsville AL, and
some locations have recently reported rain changing to freezing
rain. As temperatures continue to fall with southeastward extent
over the next few hours, more locations may see a transition to
freezing rain for a few hours before precipitation comes to an end
toward 12z. While ground temperatures will likely remain too warm
for ice accumulations, elevated surfaces such as bridges and
overpasses could see light freezing rain accumulation.

..Leitman.. 11/12/2019

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

ATTN...WFO...MRX...FFC...OHX...BMX...HUN...MEG...JAN...

LAT...LON   35658539 35708502 35468491 35158497 34848519 34568549
            33828645 33168754 32528854 32528892 32778919 32968915
            33158895 34638714 35108644 35658539
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