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ACUS11 KWNS 302323
SWOMCD
SPC MCD 302322
KSZ000-TXZ000-OKZ000-COZ000-NMZ000-310115-

Mesoscale Discussion 0579
NWS Storm Prediction Center Norman OK
0622 PM CDT Wed May 30 2018

Areas affected...Extreme Southeast Colorado...Southwest
Kansas...Extreme Northeast New Mexico...Oklahoma Panhandle...Texas
Panhandle

Concerning...Severe Thunderstorm Watch 134...

Valid 302322Z - 310115Z

The severe weather threat for Severe Thunderstorm Watch 134
continues.

SUMMARY...Storms ongoing in a line from southeast Colorado, far
western Oklahoma Panhandle, and the along the northern border of New
Mexico and the Texas Panhandle will move into an area of greater
surface moisture and instability over the next few hours. Severe
wind gust and hail threats will increase as this occurs.

DISCUSSION...Current surface analysis show a weak low pressure
center in the far western Texas Panhandle with a dryline extending southeastward from DUX to CDS. A warm front is evident in the north
Texas Panhandle eastward into northern Oklahoma. Storms have been
ongoing in western portions of WW 134. Over the last hour or so,
radar trends show that storms have taken on more of a linear mode.
As these storms progress east, they will encounter a moist, unstable
airmass characterized by mid- to upper-60s dewpoints and surface
temperatures into the 90s. MLCAPE values will be anywhere from 2000
to 3500 J/kg. Storm severity is expected to increase in the next few
hours. Some uncertainty exists as to the southern extent of this
line of storms. Some signs of cumulus development have been evident
on visible satellite imagery near DUX. Should further development
occur, possible watch extensions in area may be needed along the
southern edge of WW 134.

..Wendt.. 05/30/2018

...Please see www.spc.noaa.gov for graphic product...

ATTN...WFO...DDC...AMA...PUB...ABQ...

LAT...LON 37410370 37630300 37720092 37340006 36780005 36210011
35770042 35650159 35680326 35780378 36440404 36980399
37280380 37410370



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