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Mesoscale Discussion 2201 | |
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Mesoscale Discussion 2201 NWS Storm Prediction Center Norman OK 0501 AM CST Mon Nov 04 2024 Areas affected...Northwest TX...Southwest/South-Central/Central OK Concerning...Severe potential...Watch possible Valid 041101Z - 041300Z Probability of Watch Issuance...60 percent SUMMARY...Threat for damaging gusts is increasing across central Oklahoma, with some increase in the threat across southwest Oklahoma and adjacent far northwest Texas as well. Trends are being monitored for a possible watch. DISCUSSION...Recent surface analysis places a low between SNK and SWW in the Low Rolling Plains region of TX. A warm front extends northeastward from this low through northwest TX and south-central OK into southeast OK. Location of this front is roughly demarcated by the 70 deg F isotherm. Showers and thunderstorms are currently ongoing north of this boundary from far northwest TX into southwest OK, supported by both low-level warm-air advection and increasing large-scale ascent (attendant to the approaching shortwave trough). A few of the cells over west-central/southwest OK have become better organized over the past hour or so, with the cell in Tillman County exhibiting a notable forward surge while also producing a 55 kt gust at FDR. The threat for damaging gusts will continue with this developing line as it continues northeastward into central OK. The tornado threat should be limited by the low buoyancy and persisting modest convective inhibition. That being said, if this line is able to become surface-based, or even near-surface-based, there is enough low-level shear to promote circulations embedded within the line. While not evident at the moment, a similar evolution, where the elevated storms become organized into a more coherent line, is also possible farther south across far northwest TX. Overall convective trends will be monitored for a potential watch or watches across this region. ..Mosier/Edwards.. 11/04/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...TSA...OUN...SJT...LUB... LAT...LON 33060030 33800046 35769829 35969648 34619633 33819842 33060030 |
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