SPC 0830Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0210 AM CST Thu Nov 26 2020 Valid 281200Z - 291200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Organized severe thunderstorms appear unlikely across the contiguous United States on Saturday. ...Synopsis and Discussion... A closed mid/upper-level low should move slowly eastward across the southern Plains on Saturday. A prolonged period of precipitation will likely have been ongoing since Friday across much of central/east TX ahead of this feature, limiting instability. A weak surface low is forecast to develop from the lower TX Coast vicinity northeastward towards coastal LA through the period. A cold front will probably move off the TX Coast Saturday morning, with elevated, non-severe thunderstorms possible to its north across parts of central/east TX. At this point, it appears that a marine warm front extending east-northeastward from the surface low will not make substantial progress inland across coastal LA/MS/AL through late Saturday night. Accordingly, the potential for surface-based thunderstorms posing even an isolated/marginal severe risk across this area currently appears low. ..Gleason.. 11/26/2020
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