MD 1725 CONCERNING SEVERE THUNDERSTORM WATCH 502… FOR EASTERN KANSAS…WESTERN MISSOURI…AND FAR SOUTHERN IOWA
Mesoscale Discussion 1725
NWS Storm Prediction Center Norman OK
0538 PM CDT Sat Oct 21 2017
Areas affected...Eastern Kansas...western Missouri...and far
southern Iowa
Concerning...Severe Thunderstorm Watch 502...
Valid 212238Z - 212345Z
The severe weather threat for Severe Thunderstorm Watch 502
continues.
SUMMARY...The risk of damaging wind gusts and isolated hail
continues along and ahead of a squall line in western portions of WW
502.
DISCUSSION...Storms have mostly congealed into linear segments along
an outflow that extends from near STJ to TOP to just southeast of
ICT. Several of these storms are mostly behind this outflow and
slightly elevated atop a stable boundary layer - especially across
south-central Kansas. Hail will be the primary threat with this
activity, while damaging wind gusts will be the primary threat with
convection along and ahead of the boundary - particularly with
storms near and east of the Topeka area that have exhibited bowing
segments. An additional risk for surface based activity will occur
with pre-frontal convection migrating northeastward from
north-central Oklahoma.
West of this line, the severe threat is diminishing as thermodynamic
profiles stabilize behind the cold front. The severe thunderstorm
watch may be cancelled early for areas behind the front. See
attendant Watch Status messages for further guidance.
..Cook.. 10/21/2017
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...SGF...DMX...EAX...TSA...OAX...TOP...ICT...OUN...
LAT...LON 40729504 40969470 41019363 40739272 40309272 39089353
37719455 36889537 36909646 36949752 37009813 37559787
38499716 38979670 40729504
from SPC Mesoscale Discussions http://bit.ly/2l8Hn0S
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