Severe Storm Outlook Narrative (AC)
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Issued by NWS
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651 ACUS11 KWNS 240751 SWOMCD SPC MCD 240751 LAZ000-ARZ000-TXZ000-OKZ000-240945- Mesoscale Discussion 0924 NWS Storm Prediction Center Norman OK 0251 AM CDT Fri May 24 2024 Areas affected...southeastern Oklahoma...northeastern Texas...southwestern Arkansas...and northwestern Louisiana Concerning...Severe Thunderstorm Watch 298... Valid 240751Z - 240945Z The severe weather threat for Severe Thunderstorm Watch 298 continues. SUMMARY...Local severe risk continues with clusters of storms moving east-southeastward toward/across the Arklatex region and southeastern Oklahoma. New/downstream WW may be required soon. DISCUSSION...Latest radar loop shows two distinct clusters of strong/potentially severe storms -- one across southeastern Oklahoma, and the other moving across far southeastern Oklahoma and northeastern Texas, and moving into southwestern Arkansas. This convection remains fairly well-organized, aided by persistent low-level warm advection within a thermodynamic environment featuring 2000 to 3000 J/kg mixed-layer CAPE, per recent RAP-based objective analysis. Given ample instability downstream from the ongoing storms, and per CAM output, it seems that storms will likely continue moving east-southeastward over the next few hours -- with the leading cluster to begin exiting the existing WW over the next hour. As such, new/downstream WW issuance may be needed. ..Goss.. 05/24/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...LZK...SHV...TSA...FWD...OUN... LAT...LON 33629704 33969700 34579592 34199448 33989200 32489239 32549351 33629704