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Mesoscale Discussion 629
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   MESOSCALE DISCUSSION 0629
   NWS STORM PREDICTION CENTER NORMAN OK
   1017 PM CDT FRI MAY 13 2016

   AREAS AFFECTED...NORTHWEST AND WCNTRL TX

   CONCERNING...SEVERE THUNDERSTORM WATCH 175...

   VALID 140317Z - 140415Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 175
   CONTINUES.

   SUMMARY...AN ISOLATED SEVERE THREAT MAY CONTINUE FOR ANOTHER HOUR
   BUT THE THREAT IS EXPECTED TO BECOME INCREASINGLY MARGINAL WITH
   TIME. ISOLATED DAMAGING WIND GUSTS AND HAIL WILL BE POSSIBLE BUT A
   NEW WW WILL PROBABLY NOT BE NEEDED.

   DISCUSSION...LATEST RADAR TRENDS SHOW MULTI-SEGMENTED LINE OF STRONG
   THUNDERSTORMS ONGOING IN THE LOW ROLLING PLAINS OF WCNTRL TX. THIS
   LINE IS LOCATED ALONG THE NWRN EDGE OF MODERATE TO STRONG
   INSTABILITY WHERE MLCAPE IS ESTIMATED BY THE RAP IN THE 2000 TO 3000
   J/KG RANGE. THE LINE WILL LIKELY CONTINUE TO MOVE DOWN THE AXIS OF
   STRONGEST INSTABILITY INTO WRN PARTS OF THE TX HILL COUNTRY OVER THE
   NEXT FEW HOURS. IN ADDITION TO THE INSTABILITY...MODERATE DEEP-LAYER
   SHEAR IS PRESENT OVER THE LOW-ROLLING PLAINS ACCORDING TO REGIONAL
   WSR-88D VWPS. THIS ALONG ALONG WITH STEEP LAPSE RATES WILL CONTINUE
   TO SUPPORT A FEW DAMAGING WIND GUSTS AND HAIL FOR ANOTHER OR SO.

   ..BROYLES.. 05/14/2016


   ATTN...WFO...FWD...OUN...SJT...LUB...MAF...

   LAT...LON   33719952 33800036 33670087 33190130 32610145 32170134
               31350086 31070032 31109939 31289877 31629821 32259804
               32849850 33539904 33719952 

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Page last modified: May 14, 2016
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