Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Jul 28 2023 01:01:43

ACUS01 KWNS 280101
SWODY1
SPC AC 280100

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0800 PM CDT Thu Jul 27 2023

Valid 280100Z - 281200Z

....THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM WISCONSIN
INTO CENTRAL AND SOUTHERN MINNESOTA...

....SUMMARY...
Scattered severe storms capable of wind damage or hail remain
possible mainly from central Wisconsin into southern Minnesota.
Isolated hail is possible over parts of South Dakota this evening.

....MN into WI...
A large complex of storms current stretches across much of northern
WI and back into central MN. Substantial outflow has been produced
by these storms clusters, with embedded stronger bows at times. 00Z
soundings from MPX and GRB indicate MLCAPE of 2000-3000 J/kg along
with steep midlevel lapse rates, and moderate mid to high level
flow. However, winds in the low levels are generally below 20 kt at
this time.

Given the amount of outflow and the unstable air mass to the south,
a continued threat of sporadic damaging wind and hail will remain
for several more hours.

For more information see mesoscale discussion 1744.

Elsewhere, several cells have increased in intensity over central
SD, and these may interact with moisture to the east and yield
sporadic hail.

...Jewell.. 07/28/2023

$$

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