Severe Storm Outlook Narrative (AC)
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000
ACUS11 KWNS 212335
SWOMCD
SPC MCD 212334
KSZ000-NEZ000-OKZ000-COZ000-220130-

Mesoscale Discussion 1113
NWS Storm Prediction Center Norman OK
0634 PM CDT Wed Jun 21 2017

Areas affected...south central Nebraska/western Kansas and vicinity

Concerning...Severe Thunderstorm Watch 360...

Valid 212334Z - 220130Z

The severe weather threat for Severe Thunderstorm Watch 360
continues.

SUMMARY...Scattered to isolated thunderstorms continue across parts
of the watch area, where local risk for hail and damaging wind gusts
continues.

DISCUSSION...Latest radar loop shows isolated thunderstorms ongoing
across south central Nebraska, and then more numerous storms
concentrated over southwest Kansas and vicinity.  The storms are
ongoing near/ahead of a north-south surface trough, within an axis
of moderate instability (mixed-layer CAPE average 2000 to 3000 J/kg
per objective analysis).  While flow aloft -- and thus deep-layer
shear -- remains on the marginal side for well-organized updrafts
(and hence the rather transient nature of the stronger cores),
potential for locally damaging winds and hail will continue over the
next couple of hours with a few of the strongest storms.

..Goss.. 06/21/2017

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

ATTN...WFO...GID...LBF...DDC...GLD...AMA...PUB...

LAT...LON   41339993 41449925 41019884 39019904 37099986 36500099
            36600215 36950232 38880066 40420003 41339993




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