Subj : MESO: Mesoscale Discussion 0549
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Sun Apr 28 2024 00:11:43

ACUS11 KWNS 280011
SWOMCD
SPC MCD 280011=20
ILZ000-IAZ000-MOZ000-280115-

Mesoscale Discussion 0549
NWS Storm Prediction Center Norman OK
0711 PM CDT Sat Apr 27 2024

Areas affected...southeastern Iowa...northern Missouri...far western
Illinois

Concerning...Tornado Watch 147...150...

Valid 280011Z - 280115Z

The severe weather threat for Tornado Watch 147, 150 continues.

SUMMARY...Damaging wind threat increasing. Tornado threat continues
within WW147 and WW150.

DISCUSSION...Thunderstorm activity across southeastern Iowa into
northeastern Missouri has evolved to become more linear, with
evidence of transient weak embedded mesovortices.  Lightning
activity has been most productive in the southern portion of the
line. Potential for damaging winds will increase as this line moves
northeast, though tornado potential remains. The environment ahead
of this line remains unstable (with MLCAPE around 1000-2000 J/kg),
which should support continued severe risk over the next few hours,
though deep layer shear will tend to decrease with northern extent.

...Thornton/Smith.. 04/28/2024

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!56QCfUWnjFMccW0bcz80gEmed4NdDVoq6OQnwXJQJA9WBpe4-m7NyFskNjdSGTTrLZ8REQmPr=
_7AFv1NEL8I5EGUZEM$  for graphic product...

ATTN...WFO...LSX...DVN...DMX...EAX...

LAT...LON   40059268 39919350 39909353 39969368 40179362 40529300
            41219247 41439241 41819212 42069156 42049110 41679094
            41069096 40749105 40379133 40059191 40059268=20


=3D =3D =3D
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