Storm Prediction Center Mesoscale Discussion 941
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Mesoscale Discussion 941 | |
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Mesoscale Discussion 0941 NWS Storm Prediction Center Norman OK 0249 PM CDT Fri May 23 2025 Areas affected...The Trans-Pecos and Stockton Plateau of West Texas Concerning...Severe potential...Watch unlikely Valid 231949Z - 232145Z Probability of Watch Issuance...20 percent SUMMARY...A few severe wind gusts and marginally severe hail stones will be possible across portions of the Trans-Pecos and Stockton Plateau through late this afternoon. DISCUSSION...Convective temperatures have easily been reached under a mid-level ridge axis this afternoon along and ahead of a dryline beginning to mix eastward into portions of West TX. Visible satellite and radar imagery both indicate moist convection is deepening east of the Davis Mountains, where a well mixed boundary layer is in place. An unstable air mass should continue to result in isolated to widely scattered thunderstorm development through the afternoon. The main concern with this activity will be severe wind gusts given large dewpoint-temperature spreads/inverted V profiles, and downdraft CAPE ~2000 J/kg. This may especially be true by late this afternoon if storm mergers occur. Severe hail also cannot be ruled out with steep mid level lapse rates in place and a slight increase in mid to upper-level flow anticipated over the next couple of hours. However, the threat of severe hail may be mitigated by high freezing levels and a lack of significant organization due to limiting deep layer effective shear. A weather watch is not expected at this time. ..Barnes/Guyer.. 05/23/2025 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...SJT...MAF... LAT...LON 30060421 30400443 30790441 31270433 31610411 31830357 31580290 31490242 31120213 30680210 30240219 30060267 29920323 29860370 30060421 MOST PROBABLE PEAK WIND GUST...65-80 MPH MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN |
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2025-05-23 19:59:02