Storm Prediction Center Mesoscale Discussion 1025
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Mesoscale Discussion 1025 | |
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Mesoscale Discussion 1025 NWS Storm Prediction Center Norman OK 0334 PM CDT Wed May 28 2025 Areas affected...Far southeast Colorado...far southwest Kansas...and the Oklahoma Panhandle Concerning...Tornado Watch 342... Valid 282034Z - 282130Z The severe weather threat for Tornado Watch 342 continues. SUMMARY...Thunderstorms have developed in far southeastern Colorado and the far western Oklahoma Panhandle this afternoon, with an additional cluster of thunderstorms moving from far northwest Kansas/eastern Colorado due southeast. These thunderstorms will be capable of all hazards, including tornadoes -- particularly across southern portions of WW 342 in the short term. DISCUSSION...Thunderstorms in the Oklahoma Panhandle/southwest Kansas have developed west of an environment characterized by rich boundary-layer moisture (mixing ratios ~13-14 g/kg), 35-40 kts of deep-layer shear, and southeasterly surface winds. VAD wind profiles from KDDC show some low-level curvature of the hodograph that will support stronger low-level mesocyclones and potential tornado development, and low-level shear is expected to increase into the evening with the nocturnal low-level jet around and after sunset. While convective interactions in the short term lead to some uncertainty, the expectation is that any isolated/strong supercells that emerge from the convective clusters will have increased tornado potential heading into this evening. Further north in eastern Colorado/northwest Kansas, a cluster of convection is moving south-southeastward through WW 342. These storms will be moving into an increasingly unstable and sheared environment, though current KGLD VAD wind profiles show mostly straight-line hodographs that would favor splitting supercell thunderstorms. These storms will be capable of all hazards, with the threat increasing as they continue to progress south and east with time. ..Halbert.. 05/28/2025 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...DDC...GLD...AMA...PUB... LAT...LON 37530030 37200017 36910012 36750035 36610071 36590131 36630169 36870192 37060213 37160273 37380293 37810281 38330259 38810248 39130247 39380256 39590228 39450165 39200135 38970124 38530100 38120069 37760041 37530030 MOST PROBABLE PEAK TORNADO INTENSITY...100-130 MPH MOST PROBABLE PEAK WIND GUST...65-80 MPH MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN |
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2025-05-28 20:41:02