Subj : MESO: Mesoscale Discussion 0407
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Mar 31 2023 21:00:01

ACUS11 KWNS 312059
SWOMCD
SPC MCD 312059=20
IAZ000-312130-

Mesoscale Discussion 0407
NWS Storm Prediction Center Norman OK
0359 PM CDT Fri Mar 31 2023

Areas affected...Southeast Iowa

Concerning...Tornado Watch 93...

Valid 312059Z - 312130Z

CORRECTED FOR AREAS AFFECTED

The severe weather threat for Tornado Watch 93 continues.

SUMMARY...Likely strong tornado (upper EF2 to EF3) ongoing northeast
of Ottumwa. The downstream environment will continue to support the
potential for a strong tornado.

DISCUSSION...A supercell northeast of Ottumwa has shown increasing
low-level rotation with a tornado recently confirmed. Current VROT
observations from KDMX are around 60 kts. Given the environment,
this would suggest a strong tornado (EF2-EF3) is likely ongoing. The
deepening surface low and continued backed surface winds in eastern
Iowa will continue to support a strong/intense tornado threat as
this storm continues to the north and east.

...Wendt.. 03/31/2023

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!70dceoTGBjlcFtTxM_Y81kTXGYAXhRsp6UyVN6qJ73UfTgw76QTfr_kmgTwZaG_-sxXXufHfz=
PYhVrcs0QuPqXANVC8$  for graphic product...

ATTN...WFO...DVN...DMX...

LAT...LON   41039220 41039243 41219247 41599221 41909176 41899137
            41629134 41399161 41039220=20


=3D =3D =3D
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