|Mesoscale Discussion 690|
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Mesoscale Discussion 0690
NWS Storm Prediction Center Norman OK
1017 PM CDT Sat Jun 09 2018
Areas affected...parts of eastern Iowa into southwest Wisconsin and
Concerning...Severe Thunderstorm Watch 167...
Valid 100317Z - 100515Z
The severe weather threat for Severe Thunderstorm Watch 167
SUMMARY...Risk for damaging winds and marginal hail continues across
DISCUSSION...Latest radar loop shows a complex cluster of storms
moving east-southeast across east-central and northeast Iowa at this
time. Some acceleration of forward motion has been noted, and
expect this to continue -- with eventual evolution into a single,
bowing MCS expected, as the main band of storms overtakes a leading
cluster of cells just to the southeast of the main band.
While the possibility of marginally severe hail continues with
stronger cores, expect a gradual transition toward locally damaging
winds as the main severe risk, before an expected decrease in severe
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 41969320 42489271 42629162 42849017 42448881 41438876
41108907 41159064 41459234 41969320
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