ACUS11 KWNS 311031
SWOMCD
SPC MCD 311030=20
ILZ000-IAZ000-MOZ000-311230-
Mesoscale Discussion 1762
NWS Storm Prediction Center Norman OK
0530 AM CDT Wed Jul 31 2024
Areas affected...far southeast IA/northeast MO to central IL
Concerning...Severe Thunderstorm Watch 577...
Valid 311030Z - 311230Z
The severe weather threat for Severe Thunderstorm Watch 577
continues.
SUMMARY...A threat for strong to isolated severe gusts from 55-70
mph should spread east-southeast of WW 577 into central Illinois. An
additional severe thunderstorm watch is being considered.
DISCUSSION...A cluster of strong to locally severe storms will
likely progress east-southeast of WW 577, as it moves from the
IA/MO/IL border area into central IL. Measured ASOS/AWOS gusts thus
far have been up to 63 mph in Ottumwa, IA, with a personal weather
station recently measuring 67 mph in far southeast IA. Despite the
relatively short nature of the cluster's embedded line segment, the
cold IR temps suggest that deep convective cores should persist
along the MLCAPE gradient. While most gusts will probably remain
sub-severe, a sufficient threat for severe gusts to around 70 mph
should continue on an isolated basis through mid-morning.
..Grams/Guyer.. 07/31/2024
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!9jQhDcI5Pt4sX9k2FOtsIt_qrY9X_GhfEFwcYq01MRgmtU_CgKxEkwWCYN9wdBa2oOMQry2OE= 6qTeEbjWWnhnSuJPuM$ for graphic product...
ATTN...WFO...ILX...LSX...DVN...
LAT...LON 40999132 40718947 40188891 39538903 39368962 39599081
39879154 40209194 40999132=20
=3D =3D =3D
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