Subj : MESO: Mesoscale Discussion 0581
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Mon Apr 28 2025 01:48:31

ACUS11 KWNS 280148
SWOMCD
SPC MCD 280147=20
NEZ000-SDZ000-280245-

Mesoscale Discussion 0581
NWS Storm Prediction Center Norman OK
0847 PM CDT Sun Apr 27 2025

Areas affected...Parts of northwest/north-central Nebraska

Concerning...Tornado Watch 178...

Valid 280147Z - 280245Z

The severe weather threat for Tornado Watch 178 continues.

SUMMARY...The supercell tornado risk continues across portions of
northwest into north-central Nebraska.

DISCUSSION...Several long-lived right-moving supercells have merged
into a supercell cluster over the last hour over Cherry County
Nebraska. The LNX VWP depicts a 50-kt low-level jet overspreading
backed surface winds -- yielding a large clockwise-curved hodograph
(280 m2/s2 0-500m SRH). This wind profile, combined with rich
boundary-layer moisture (lower 60s dewpoints) will continue to
support a supercell tornado threat with northeastward extent over at
least the next hour.

...Weinman.. 04/28/2025

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!4wC9rmg8EhET9xtswe2fMqMTMHKLGRCowSVYthaEMK9QAKplxehM4uHSqO0vfjhqujW6AHLcY=
g6g7bCTAoNaPzR48vI$  for graphic product...

ATTN...WFO...LBF...UNR...

LAT...LON   42050144 42270173 42510173 42970120 43060071 42850038
            42480026 42120069 42030114 42050144=20

MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN


=3D =3D =3D
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