|Mesoscale Discussion 768|
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Mesoscale Discussion 0768
NWS Storm Prediction Center Norman OK
0706 PM CDT Thu May 18 2017
Areas affected...Northeast KS and northwest MO
Concerning...Tornado Watch 238...239...
Valid 190006Z - 190130Z
The severe weather threat for Tornado Watch 238, 239 continues.
SUMMARY...Threat for tornadoes will continue across northeastern KS
for the next few hours.
DISCUSSION...Recent radar imagery shows four supercells west of TOP
along the warm front extending from just south of MKC westward
through TOP and SLN and then southwestward through DDC. Despite a
messy storm mode, these storms intensified over the past hour or so
and each exhibited strong low-level rotation. Most recent velocity
data have shown more outflow-dominant signatures with some weakening
noted with the two westernmost storms, particularly with the storm
over Ottawa and Saline counties which has weakened significantly as
a result of destructive storm interaction. The storms farther east
over Wabaunsee and Shawnee counties remain quite strong and
strengthening low-level flow coupled with enhanced vorticity along
the warm front will continue to support a tornado threat.
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 38109655 38319792 39059822 39759700 39949356 38459367
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