|Mesoscale Discussion 1227|
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Mesoscale Discussion 1227
NWS Storm Prediction Center Norman OK
1030 PM CDT Mon Jul 03 2017
Areas affected...Southern/eastern OK...Far north TX
Concerning...Severe Thunderstorm Watch 393...394...
Valid 040330Z - 040430Z
The severe weather threat for Severe Thunderstorm Watch 393, 394
SUMMARY...Widespread strong to isolated severe wind gusts should
persist with a QLCS shifting east-southeast. Downstream WW issuance
into parts of north-central TX is possible, but the overall threat
may gradually diminish across the Red River.
DISCUSSION...A QLCS extended from Osage to Jackson counties in OK
with 40-55 kt wind gusts common along it. Surging portions of the
line have forward movement around 35 kt. MCV with this line was
centered near Stillwater and has generally tracked east-southeast.
With the line having passed through the largest plume of
instability, coverage of severe wind gusts are likely near-peak.
With the nocturnal increase MLCIN being more pronounced across parts
of north and north-central TX, a gradually diminish wind threat may
occur here as outflow surges across the Red River. Farther
northeast, the organized nature of the MCV will probably result in a
longer-lasting wind threat persisting in eastern OK.
...Please see www.spc.noaa.gov for graphic product...
LAT...LON 36179609 36319543 36149504 35799486 35089501 33879599
33349683 33109741 33229821 33579885 34029887 34499755
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