ACUS11 KWNS 070231
SWOMCD
SPC MCD 070230=20
NEZ000-SDZ000-WYZ000-070330-

Mesoscale Discussion 1447
NWS Storm Prediction Center Norman OK
0930 PM CDT Thu Jul 06 2023

Areas affected...eastern Wyoming into the Nebraska Panhandle

Concerning...Severe Thunderstorm Watch 452...

Valid 070230Z - 070330Z

The severe weather threat for Severe Thunderstorm Watch 452
continues.

SUMMARY...Severe threat continues within WW452. New watch issuance
may be needed within the next hour.

DISCUSSION...Ongoing thunderstorm activity continues across eastern
Wyoming with a discrete supercell capable of large hail tracking
across Niobrara County and a line of thunderstorms ongoing further
west from Johnson to Natrona counties. Surface objective analysis
indicates MLCAPE around 1000-1500 J/kg continuing across
southeastern Wyoming into the Nebraska Panhandle. This will support
further maintenance of ongoing storms as the shortwave begins to
shift southward out of Montana. A new watch will likely be needed to
replace WW452 and expand further into the Nebraska Panhandle as the
threat continues to shift eastward with time into the late evening.

..Thornton/Guyer.. 07/07/2023

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!-23I0ePjRqbSsQpJCqKJLLiokxMYYySTR2mGuZjGbDpWf5U8CNZvQ4-QdzenyGI4XEv3_Tv8n= jVy_8xCRnysnqo_nrA$ for graphic product...

ATTN...WFO...LBF...UNR...CYS...RIW...

LAT...LON 43780456 42970300 42700230 42050186 41840171 41280155
41130154 41040156 41040236 41050289 41040407 41120537
41260566 41460577 41690590 42340613 42680618 43180644
43500642 43640616 43730595 43800574 43780456=20


=3D =3D =3D
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