ACUS11 KWNS 152211
SWOMCD
SPC MCD 152210=20
MIZ000-WIZ000-MNZ000-160015-
Mesoscale Discussion 1678
NWS Storm Prediction Center Norman OK
0510 PM CDT Tue Jul 15 2025
Areas affected...central Minnesota...northern Wisconsin. Upper
Michigan
Concerning...Severe Thunderstorm Watch 513...
Valid 152210Z - 160015Z
The severe weather threat for Severe Thunderstorm Watch 513
continues.
SUMMARY...Threat for severe wind and occasional severe hail
continues within WW513.
DISCUSSION...Broken lines of thunderstorm activity continue near the
surface cold front across central Minnesota into northern Wisconsin
and the Upper Michigan Peninsula. Deep layer shear around 20-30 kts
is largely parallel to and located near the cold front. As such,
some disorganized mainly multi-cell clusters continue to track east-northeastward. South of the cold front, shear decreases but
steep low level lapse rates around 8-8.5 C/km and a very
warm/unstable air mass will continue to support instances of severe
gusts. Some marginally severe hail may be possible near the cold
front and in the vicinity of better deep layer shear.
..Thornton.. 07/15/2025
...Please see
https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_lGRCX54PdqhhqSEfgPmivdIzRgp5T1QUUaGBcmyFiH_Zh-V_uXnuLw3kPa-3cqsmvnJBYSAO= BRLunvRWr8mbL4VmEY$ for graphic product...
ATTN...WFO...MQT...GRB...DLH...MPX...
LAT...LON 44999520 45339514 45709502 46179465 46509401 46679313
46719232 46769139 46898995 47028937 47138869 46818805
46558796 46038822 45748933 45569037 45099298 44989428
44909498 44999520=20
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN
=3D =3D =3D
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