ACUS11 KWNS 222027
SWOMCD
SPC MCD 222027=20
INZ000-ILZ000-KYZ000-MOZ000-222230-
Mesoscale Discussion 0179
NWS Storm Prediction Center Norman OK
0227 PM CST Wed Feb 22 2023
Areas affected...southeast MO into central/southern IL into far
western IN
Concerning...Tornado Watch 41...
Valid 222027Z - 222230Z
The severe weather threat for Tornado Watch 41 continues.
SUMMARY...Damaging gusts and perhaps a brief tornado remain possible
across tornado watch 41.
DISCUSSION...A broken line of convection has shown some better
organization and modest intensification over the past 30-45 minutes, particularly as the line moves into east-central IL. Somewhat better
heating and dewpoints in the upper 50s to near 60 F is likely
responsible for convection become more surface-based compared to
earlier in storm-scale evolution. A couple of measured severe gusts
were noted just north of St. Louis, and damaging wind potential will
continue across the remain of tornado watch 41.=20
Some veering of low-level winds is noted in surface observations
across southern IL. However, some southeasterly low-level winds are
still noted closer to central IL nearer to the warm front and a weak
surface low/triple point. Given the magnitude of low-level shear, a
locally greater chance of a brief tornado may exist between the I-70
and I-64 corridors.=20
Severe potential should wane with eastward extent into portions of
western KY and IN and a downstream watch is not currently
anticipated.
..Leitman.. 02/22/2023
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-W6pPh0OhuqdlXQb9i0UQN1ob9WVhfgfyJ32NfWZOnUH_qUOOobzuvYxzSEliGJfcgsGr6qRz= FaDlxDeclXpBr4Xxgg$ for graphic product...
ATTN...WFO...IND...PAH...ILX...LSX...
LAT...LON 39869002 40478726 39078715 37648821 37008938 37118989
37319035 38189037 39649018 39869002=20
=3D =3D =3D
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