|Mesoscale Discussion 1660|
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Mesoscale Discussion 1660
NWS Storm Prediction Center Norman OK
1010 PM CDT Tue Sep 19 2017
Areas affected...western and central Minnesota
Concerning...Severe potential...Watch needed soon
Valid 200310Z - 200345Z
Probability of Watch Issuance...95 percent
SUMMARY...A severe thunderstorm watch will be issued shortly for
portions of western and central Minnesota east of Tornado Watch 487.
DISCUSSION...As a band of ongoing strong/locally severe storms
continues moving east across the eastern Dakotas, risk for mainly
damaging winds will spread into adjacent portions of Minnesota.
While instability diminishes with eastward extent toward the
Mississippi Valley, ample CAPE exists across at least western
portions of the state to support vigorous/locally severe storms. A
severe thunderstorm watch will be issued to cover this threat
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 43419672 46759611 47199458 46929358 43499343 43419672
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