[BNAWX] Severe Storm Outlook Narrative

[EMWIN Server]

ACUS11 KWNS 222258
SWOMCD
SPC MCD 222257
ALZ000-TNZ000-230030-

Mesoscale Discussion 0315
NWS Storm Prediction Center Norman OK
0557 PM CDT Tue Mar 22 2022

Areas affected...portions of central into northern Alabama

Concerning...Tornado Watch 62...63...

Valid 222257Z - 230030Z

The severe weather threat for Tornado Watch 62, 63 continues.

SUMMARY...The severe threat continues across Tornado Watches
062-063. Damaging gusts may accompany the stronger bowing segments,
and a tornado may also occur with the more sustained supercell
structures.

DISCUSSION...A broken QLCS with a history of damaging gusts and
tornadoes continues to progress toward central Alabama. The line
consists of both bowing segments and semi-discrete, transient
supercell structures per MRMS mosaic and KBMX radar data. While
low-level moisture continues to advect ahead of the line, latest
surface observations suggest that the QLCS is gradually outpacing
the eastward advection of better moisture (i.e. 65+ F surface
dewpoints) and resultant buoyancy (500+ J/kg MLCAPE). As such, the
overall robustness of the severe wind/tornado threat remains in
question. Nonetheless, BMX and MXX VWPs have recently shown very
large, curved hodographs, depicting very strong low-level shear
capable of supporting damaging gusts and tornadoes. On balance, an
appreciable severe threat remains in the current low-CAPE/high shear
environment, and a few more damaging gusts/a couple of tornadoes
remain possible into early evening.

..Squitieri.. 03/22/2022

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

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

LAT...LON   32358809 32558810 32798801 33468766 34188730 34908709
            34998689 34408648 34018614 33468619 32958648 32588675
            32468724 32368765 32358809
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