SPC MD 1113

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MD 1113 CONCERNING SEVERE THUNDERSTORM WATCH 360… FOR SOUTH CENTRAL NEBRASKA/WESTERN KANSAS AND VICINITY 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 Read more
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