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Mesoscale Discussion 517 |
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Mesoscale Discussion 0517
NWS Storm Prediction Center Norman OK
0325 PM CDT Tue Apr 22 2025
Areas affected...portions of western Oklahoma...south-central Kansas
Concerning...Severe potential...Watch likely
Valid 222025Z - 222230Z
Probability of Watch Issuance...80 percent
SUMMARY...Damaging wind and severe hail risk to increase through the
afternoon/evening.
DISCUSSION...Thunderstorm activity has initiated and expected to
continue to form along the dryline across the Texas Panhandle this
afternoon. Additional thunderstorm development is expected across
the frontal boundary draped across western/central Kansas into the
Oklahoma Panhandle. Ahead of this development, the air mass across
western Oklahoma into central/eastern Kansas has been suppressed
owing to weak forcing and stout MLCIN most of the afternoon.
Temperatures are warming, with MLCIN eroding west to east across the
Texas Panhandle as temperatures have climbed into the 80s. Aloft
sounding analysis indicates, steep lapse rates and ample CAPE above
the 850 mb inversion.
Thunderstorm activity will gradually shift into this region by late
afternoon/evening. A mix of multi-cell clusters and embedded
supercells capable of large hail and damaging wind are expected. A
watch will likely be needed in the coming hours to cover this risk.
..Thornton/Hart.. 04/22/2025
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...ICT...OUN...DDC...LUB...
LAT...LON 35509851 34599879 34269925 34209990 34279999 34999994
35729994 36779994 37199980 37939913 38309859 38449818
38439739 38409696 38119653 37569643 37129678 36089793
35509851
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
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