[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 130001
SWOMCD
SPC MCD 130000
TNZ000-ALZ000-130130-

Mesoscale Discussion 0121
NWS Storm Prediction Center Norman OK
0600 PM CST Wed Feb 12 2020

Areas affected...Portions of central/northern AL and middle TN

Concerning...Severe Thunderstorm Watch 34...

Valid 130000Z - 130130Z

The severe weather threat for Severe Thunderstorm Watch 34
continues.

SUMMARY...Damaging winds should remain the primary threat this
evening. A tornado or two may also occur.

DISCUSSION...A shallow convective line has consolidated early this
evening along/just ahead of a cold front. Low-level flow across much
of central/northern AL into middle TN remains quite strong per VWP
estimates from KGWX and KHTX, with winds quickly increasing to 50-60
kt in the 0-1 km layer. The overall line is moving quickly
northeastward around 45-55 kt, with individual elements embedded
within the line moving even faster. Given the very strong flow
present largely parallel to the surface front, a mainly linear mode
should continue to dominate this evening. Damaging winds will likely
remain the primary threat, with a few reports of trees and building
damage already noted. A tornado or two cannot be ruled out in the
short term, mainly across northern AL where low-level winds have
locally backed to south-southeasterly as a surface low develops and
gradually deepens into middle TN. Instability will remain weak, but
sufficient to support strong/gusty surface winds.

..Gleason.. 02/13/2020

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

ATTN...WFO...OHX...BMX...HUN...

LAT...LON   33848816 34288762 34718727 35228705 35648677 35968643
            36108618 36018580 35618577 35268586 34238642 33798697
            33448766 33358822 33848816
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