Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 290021
SWOMCD
SPC MCD 290020
WIZ000-MNZ000-290215-

Mesoscale Discussion 1177
NWS Storm Prediction Center Norman OK
0720 PM CDT Wed Jun 28 2017

Areas affected...portions of west-central Wisconsin and southeastern
Minnesota

Concerning...Tornado Watch 376...

Valid 290020Z - 290215Z

The severe weather threat for Tornado Watch 376 continues.

SUMMARY...The severe-weather threat across Tornado Watch 376 remains
across the southern half of the watch over the next few hours.

DISCUSSION...Earlier storms and precipitation have stabilized the
environment over the northern portion of the watch while severe
storms (some with supercell characteristics) are continuing to
develop and move southeastward across the southern portion of the
watch.  There is a narrow corridor of clear skies ahead of these
storms across far southeastern Minnesota, which should continue to
support severe storms.  Farther to the south and east, precipitation
and cloud cover from ongoing storms have modified the environment,
making it less favorable for supporting severe storms.  In addition,
loss of diurnal heating will contribute to the eventual weakening of
surface-based storms over the next couple of hours.

..Jirak.. 06/29/2017

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...GRB...DLH...ARX...MPX...

LAT...LON   45799316 45799092 43888995 43869212 45799316




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