|Mesoscale Discussion 988|
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Mesoscale Discussion 0988
NWS Storm Prediction Center Norman OK
0246 PM CDT Sun Jun 11 2017
Areas affected...Eastern Upper Michigan into northern Lower
Concerning...Severe Thunderstorm Watch 314...
Valid 111946Z - 112145Z
The severe weather threat for Severe Thunderstorm Watch 314
SUMMARY...A threat of damaging winds continues across the watch
DISCUSSION...A long-lived convective system is now crossing over
northern Lake Michigan, with sporadic cellular development just
ahead of it near the northern coast. This line of storms has a long
history of producing wind damage.
While instability levels decrease to the east, surface observations
and satellite imagery show warming continues across much of Lower
Michigan, with temperatures rising into the mid 80s along with weak
pressure falls. In addition, southerly low-level flow continues to
increase ahead of the MCS. Therefore, while the line may not be as
strong as it was previously, conditions may prove sufficient for a
continued localized damaging wind threat.
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 46458610 46498422 46118355 45458306 44748304 44428335
44428411 44608550 44688629 44878672 45288689 46078655
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