Subj : MESO: Mesoscale Discussion 0421
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sat Apr 01 2023 03:23:34

ACUS11 KWNS 010323
SWOMCD
SPC MCD 010323=20
MSZ000-TNZ000-ARZ000-010530-

Mesoscale Discussion 0421
NWS Storm Prediction Center Norman OK
1023 PM CDT Fri Mar 31 2023

Areas affected...northern Mississippi

Concerning...Tornado Watch 97...99...

Valid 010323Z - 010530Z

The severe weather threat for Tornado Watch 97, 99 continues.

SUMMARY...Severe risk continues. Tornado environment is becoming
more favorable across northern Mississippi.

DISCUSSION...A broken line of storms moving across the
Arkansas/Mississippi border is tracking eastward into an environment
becoming favorable for strong tornadoes. VAD profiles from DGX
(Brandon, MS) and GWX (Columbus Air Force Base) show low-level shear
has increased to around 400-700 m2/s2 as the nocturnal low-level jet
has strengthened. Surface objective analysis indicates SBCAPE around
1000-1500 J/kg ahead of the advancing line of storms. Expect the
storms moving in from the west to organize with increasing threat of
strong tornadoes over the next few hours.

...Thornton/Edwards.. 04/01/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!_qtYvIj1FHs26SQId8mxpyDCIDvX9brxXHjRtg2REPzrS0WlLUEl0Wps7Z4yXhwGSsj40yuuk=
RHNswMHT8Ku5H7WF78$  for graphic product...

ATTN...WFO...MEG...JAN...LZK...

LAT...LON   33879128 34389079 34879013 35008961 34978912 34958876
            34798849 34428840 34188847 34018860 33788872 33548894
            33408922 33308955 33318984 33349025 33359060 33499103
            33579118 33879128=20


=3D =3D =3D
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