Subj : DAY1SVR: Day 1 Convective Outlook
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Wed Aug 21 2024 00:48:49

ACUS01 KWNS 210048
SWODY1
SPC AC 210047

Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0747 PM CDT Tue Aug 20 2024

Valid 210100Z - 211200Z

....THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
MONTANA...

....SUMMARY...
Severe thunderstorms with some severe wind gusts are possible this
evening across parts of Montana. A few storms capable of large hail
and severe wind gusts are possible across southeast Colorado for a
few hours this evening.

....Montana...
Thunderstorms associated with a fast-moving mid-level shortwave
trough across Montana will continue northeast through the evening.
These storms will continue to pose some threat for severe wind gusts
before weakening below severe thresholds by late evening as the
boundary layer cools and inhibition increases.

....Southeast Colorado...
A few supercells have developed near Colorado Springs with at least
one report of severe hail. These storms may persist for a few more
hours and could congeal into a cluster with an increasing severe
wind threat. Elsewhere across southeast Colorado, numerous mostly
sub-severe thunderstorms have developed with many outflow boundaries
present. Collision of these boundaries could result in a few
additional strong to severe storms with a threat for large hail and
severe wind gusts. Overall, inhibition is forecast to increase
across southeast Colorado this evening as the boundary layer cools.
This should result in a decreasing severe weather threat by late
evening.

...Bentley.. 08/21/2024

$$

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