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Mesoscale Discussion 0574
NWS Storm Prediction Center Norman OK
1039 PM CDT Wed Apr 27 2022

Areas affected...the Texas and Oklahoma Panhandle vicinity

Concerning...Severe Thunderstorm Watch 156...

Valid 280339Z - 280545Z

The severe weather threat for Severe Thunderstorm Watch 156
continues.

SUMMARY...Local risk for gusty/damaging winds and/or marginal hail
will continue for a couple more hours.

DISCUSSION...Latest radar loop shows that convection has grown
upscale over the past hour, congealing into a loosely organized line
of storms stretching from Meade and Clark Counties in southwestern
Kansas, southwestward to Dallam and Hartley Counties in the Texas
Panhandle.

The storms are ongoing within the remnant CAPE axis, now
characterized by mixed-layer CAPE values of 500 to 1000 J/kg. 
However, RAP-based objective analysis also indicates a gradual
increase in capping across this region, occurring as a result of
boundary-layer cooling evident in surface observational trends over
the past couple of hours.  Eventually, this cooling/boundary-layer
stabilization, and corresponding increase in capping, will result in
a decrease in convective coverage/intensity -- hints of which have
already been evident with more isolated storms away from the
evolving line/band.  

Until then, however, risk for a local gust or two at or near severe
levels will continue -- with a recent gust of 52 MPH measured at the
Sunray mesonet site in Sherman County TX.  A hailstone or two
approaching severe levels will also remain possible over the next
couple of hours.

..Goss.. 04/28/2022

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

ATTN...WFO...OUN...DDC...AMA...ABQ...

LAT...LON   35300361 36090317 36410206 37050114 37539991 37309952
            36459991 35590077 35490157 35300361