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| Mesoscale Discussion 1767 | |
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Mesoscale Discussion 1767 NWS Storm Prediction Center Norman OK 0633 PM CDT Wed Jul 23 2025 Areas affected...Central Plains Concerning...Severe Thunderstorm Watch 539... Valid 232333Z - 240130Z The severe weather threat for Severe Thunderstorm Watch 539 continues. SUMMARY...Strong-severe thunderstorms will advance steadily east this evening. DISCUSSION...Slow-moving upper disturbance that drifted across northeast CO appears to be aiding a considerable amount of convection, along/behind a surface front that is draped across the central Plains early this evening. Over the last few hours, thunderstorms have gradually increased in areal coverage along/near the frontal zone, extending from northwest KS into northern NE. An elongated, frontal MCS appears to be evolving, and this activity should propagate downstream as the synoptic boundary sags southeast this evening. Some increase in the LLJ will likely assist this propagation. Hail is the primary risk, along with some threat for wind. ..Darrow.. 07/23/2025 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...FSD...OAX...GID...LBF...GLD... LAT...LON 39470207 42539976 42529662 39469907 39470207 MOST PROBABLE PEAK WIND GUST...55-70 MPH MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN |
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