MD 0830 CONCERNING SEVERE THUNDERSTORM WATCH 199…200…201… FOR SOUTH-CENTRAL KANSAS…EASTERN TEXAS AND OKLAHOMA PANHANDLES…WESTERN AND CENTRAL OKLAHOMA
Mesoscale Discussion 0830
NWS Storm Prediction Center Norman OK
0712 PM CDT Fri Jun 22 2018
Areas affected...South-central Kansas...Eastern Texas and Oklahoma
Panhandles...Western and Central Oklahoma
Concerning...Severe Thunderstorm Watch 199...200...201...
Valid 230012Z - 230215Z
The severe weather threat for Severe Thunderstorm Watch 199, 200,
201 continues.
SUMMARY...The wind damage threat will likely continue with a linear
MCS moving east-southeastward across parts of the central and
southern Plains this evening. A brief tornado or an isolated large
hail threat will also exist with the stronger portions of the line.
DISCUSSION...A linear MCS is continuing to organize across the
southern and central High Plains early this evening. The MCS is
expected to enter the mature phase over the next couple of hours as
it moves east-southeastward across south-central Kansas, the eastern
Texas Panhandle and into northwest Oklahoma. Over the last hour, the
line has accelerated and the faster moving segments within the line
are moving at about 55 knots. This speed of movement will make wind
damage likely along the leading edge. A 69 knot gust was measured at
Dodge City at 7:02 CDT. The strongest part of the MCS is expected to
move across southern Kansas, the northeastern Texas Panhandle and
northwestern Oklahoma where the combination of shear and instability
is maximized. The low-level jet will increase across the southern
Plains also aiding development with the MCS. A weather watch may
need to be considered to the east of severe thunderstorm watch 201
later this evening.
..Broyles/Grams.. 06/23/2018
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...TSA...TOP...ICT...OUN...DDC...AMA...
LAT...LON 39049886 38189960 37590018 37090065 36500112 35960158
35770168 35470168 35260154 34990068 34729873 34709760
35359701 36669664 37629646 38409659 38789758 39049886
from SPC Mesoscale Discussions http://bit.ly/1tKEdZb
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