Storm Prediction Center Mesoscale Discussion 571
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Mesoscale Discussion 571 | |
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Mesoscale Discussion 0571 NWS Storm Prediction Center Norman OK 0516 PM CDT Sat Apr 26 2025 Areas affected...Far West Texas Concerning...Severe potential...Watch possible Valid 262216Z - 262345Z Probability of Watch Issuance...40 percent SUMMARY...A severe thunderstorm watch may be needed as a pair of supercells have developed along the dryline in the vicinity of the Trans-Pecos mountains. These storms will be capable of 2.00+ inch hail and 60-70 MPH wind gusts, though a tornado cannot be ruled out. DISCUSSION...Supercell thunderstorms have developed along a dryline in the vicinity of the Trans-Pecos mountains, with 2500+ J/kg of MLCAPE to the east, and 45-50 kts of deep layer shear. Given boundary perpendicular shear vectors, supercell storm mode is likely to be maintained into the early evening hours. Primarily straight-line hodographs should favor splitting of supercells capable of large hail and damaging winds, particularly with left splits. Some meager low-level curvature of the hodograph from forecast proximity profiles, along with ML LCL heights around 1100-1300 meters, could support tornado occurrence as well, especially as the nocturnal low-level jet increases low-level shear into the evening. However, the primary threat will be for 2.00+ inch hail and 60-70 MPH winds. ..Halbert/Guyer.. 04/26/2025 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...EWX...SJT...MAF... LAT...LON 30030231 30250309 30650367 31140408 31720444 32050438 32310375 32390292 32330247 32160179 31860156 31310137 30880137 30430145 30210152 30040173 30030231 MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH MOST PROBABLE PEAK WIND GUST...55-70 MPH MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN |
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2025-04-26 22:22:03