Subj : MESO: Mesoscale Discussion 2090
To   : wx-storm@lists.illinois.edu
From : COD Weather Processor
Date : Fri Sep 20 2024 01:08:48

ACUS11 KWNS 200108
SWOMCD
SPC MCD 200108=20
WIZ000-MNZ000-200215-

Mesoscale Discussion 2090
NWS Storm Prediction Center Norman OK
0808 PM CDT Thu Sep 19 2024

Areas affected...northern Wisconsin

Concerning...Tornado Watch 678...

Valid 200108Z - 200215Z

The severe weather threat for Tornado Watch 678 continues.

SUMMARY...Severe threat continues within WW678.

DISCUSSION...Thunderstorms continue within WW678 across northern WI.
Storm mode has largely been supercellular, with weakening observed
over the last hour. Storms are still within a region of MLCAPE
around 1000 J/kg but may be responding to loss of daytime heating
and warmer mid-levels. Shear profiles do remain favorable. The VAD
profile from DLH continues to show low-level curvature and 0-3 km
SRH around 160 m2/s2, favorable for maintaining supercells capable
of instances of large hail and perhaps a tornado. However, the
declining thermodynamic profile may not support this risk for much
longer into the evening.

...Thornton.. 09/20/2024

....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!5_PE5e5oD5UDdb0_zJxL9HUEVUI90bc5AQGIIXbcqCklr_a3Mc7NDgdYTQDXbBQx1lpu-_rYr=
RlslcU8U07PLc760Pc$  for graphic product...

ATTN...WFO...DLH...MPX...

LAT...LON   46029258 46699236 47029189 47059161 47069150 46979090
            46629089 46059108 45859116 45699144 45679218 45689247
            45769253 46029258=20


=3D =3D =3D
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