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Mesoscale Discussion 1213
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   Mesoscale Discussion 1213
   NWS Storm Prediction Center Norman OK
   0145 AM CDT Sun Jun 09 2024

   Areas affected...south-central and southeast Kansas.

   Concerning...Severe Thunderstorm Watch 400...

   Valid 090645Z - 090815Z

   The severe weather threat for Severe Thunderstorm Watch 400
   continues.

   SUMMARY...The severe wind threat will continue through the early
   morning hours.

   DISCUSSION...A long-lived line of severe wind producing
   thunderstorms continues east across south-central Kansas. Recent
   gusts of 50 knots in Pratt, KS and 51 knots near Medicine Lodge, KS
   have been observed and radar trends suggest the severe wind threat
   may have increased recently with 50 to 60 knots of base velocity
   sampled by KICT. This is likely related to the strengthening
   low-level jet (now near 50 knots on the VNX VWP) and the changing
   orientation of the squall line. This changing orientation (now
   aligned more normal to the 0-3 km wind shear vector) and the
   presence of multiple outflow boundaries from the line of storms
   across east-central Kansas, may increase the tornado threat for a
   few hours as ingestion of low-level streamwise vorticity is favored.


   A recent 50 knot wind gust was observed on the Woods County, OK
   mesonet as the outflow boundary passed, outside of the convection.
   This indicates the strength of the cold pool which as developed.
   Given this mature cold pool and a reservoir of mid 70s dewpoints
   which remain across south-central and southeast Kansas, this line of
   storms may persist with a severe wind threat through the morning as
   it moves east. 

   The NWS in Wichita will locally extend watch 400 for areas east of
   Wichita to cover this threat.

   ..Bentley.. 06/09/2024

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

   ATTN...WFO...SGF...EAX...TOP...ICT...DDC...

   LAT...LON   37139839 37339867 37829874 38129873 38349769 38289559
               38009486 37499460 37099481 37029639 37139839 

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Page last modified: June 09, 2024
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