Colorado Mesoscale Discussion

Areas affected…southeastern Wyoming…eastern Colorado and into
western and central portions of Kansas/Nebraska

Concerning…Severe Thunderstorm Watch 588…

Valid 170143Z – 170345Z

The severe weather threat for Severe Thunderstorm Watch 588

SUMMARY…Severe risk continues over parts of the central high
Plains, and should spread eastward this evening into the central

DISCUSSION…Latest radar loop over the central high Plains area
shows isolated/vigorous storms over portion of eastern Colorado,
with some upscale growth now indicated over northeast Colorado —
i.e. the Logan County vicinity — over the past half hour.

Objective analyses continue to indicate a very unstable airmass
across Kansas, east of the ongoing storms, while VAD wind profiles
indicate a strengthening low-level jet over the Oklahoma/Kansas

It would appear, given the thermodynamic and kinematic setup, that
storms should spread/develop eastward out of WW 588 and into the
lower Plains over the next few hours, with the HRRR continuing to
forecast this evolution as well. Presuming this evolution, a new WW
will likely be needed into larger portions of Kansas — and possibly
Nebraska — over the next 1-2 hours. Meanwhile, risk for damaging
winds and large hail continues within WW 588.

..Goss.. 08/17/2019

…Please see for graphic product…


LAT…LON 42020527 42930434 42590178 41059858 39289708 38359729
37770172 37910341 38770422 39710452 40910449 42020527

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