[BNAWX] Severe Storm Outlook Narrative

EMWIN Server emwin at nashvilleweather.net
Tue Feb 22 19:11:16 CST 2022


ACUS11 KWNS 230111
SWOMCD
SPC MCD 230110
TNZ000-ALZ000-MSZ000-230315-

Mesoscale Discussion 0174
NWS Storm Prediction Center Norman OK
0710 PM CST Tue Feb 22 2022

Areas affected...central Mississippi into northern Alabama

Concerning...Tornado Watch 26...

Valid 230110Z - 230315Z

The severe weather threat for Tornado Watch 26 continues.

SUMMARY...Sporadic severe reports remain possible across the region
this evening.

DISCUSSION...Small cells across central MS and extending southwest
into parts of LA have produced marginally severe hail at times,
driven mainly by the warmed air mass and favorable shear for
supercells. Large-scale lift is weak here, and the loss of heating
will likely lead to a decrease in storm coverage.

Farther north, a more organized line of storms currently stretches
from northern MS across far southern TN and into northern AL in
association with the cold front. A few cells are ongoing along the
front, with elevated storms north of the front as well. Deep-layer
shear remains strong, although oriented roughly parallel to the
front. However, the slow movement may yet allow for a brief tornado
or two with the strongest cells as effective SRH remains at over 200
m2/s2. Recent radar trends suggest an increase in velocities over
northern AL, and this is where the primary severe/tornado risk is
focused.

..Jewell.. 02/23/2022

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

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

LAT...LON   34318649 33858802 33728894 33968921 34288905 34558849
            34928771 35178682 35258637 35278614 35008583 34648580
            34508594 34318649
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