Mesoscale Discussion 1021
   NWS Storm Prediction Center Norman OK
   0758 PM CDT Sun Jul 08 2018

   Areas affected...Southeast North Dakota...Northeast South
   Dakota...portions of central Minnesota...far northwest Wisconsin

   Concerning...Severe Thunderstorm Watch 267...

   Valid 090058Z - 090300Z

   The severe weather threat for Severe Thunderstorm Watch 267
   continues.

   SUMMARY...A threat for isolated severe wind and hail will persist
   for the next few hours. The areas of greatest risk will be in
   southeast North Dakota, northeast South Dakota, and parts of
   west-central Minnesota, with diminishing risk in eastern portions of
   WW 267.

   DISCUSSION...Over the past hour, 1 km radar mosaic imagery has shown
   that storms within WW 267 have congealed and become increasingly
   linear in a west-to-east oriented band. The area of greatest threat
   for severe wind and hail is in far southeast North Dakota and
   northeast South Dakota. The 00Z ABR sounding shows greater than 2500
   J/kg MLCAPE with a long hodograph through 6 km. 0-3 km hodograph
   curvature is moderate -- with around 250 m2/s2 effective SRH -- but
   the linear storm mode should temper the tornado threat. Farther to
   the east/southeast, substantial convective inhibition is present per
   the 00Z MPX sounding. Even with 35-40 kts of effective 0-6 km shear,
   the linear storm mode should limit severe hail and severe wind to
   isolated coverage. Should any severe threat persist, local
   extensions may be needed.

   ..Wendt.. 07/09/2018

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

   ATTN...WFO...MQT...DLH...MPX...FGF...ABR...BIS...

   LAT...LON   46059018 45059382 44719653 44749822 45219870 45949897
               46729788 47159572 47729256 47969061 48008948 47998941
               47968941 47968941 47968941 47958943 46059018