Administrators NorthGeorgiaWX Posted December 31, 2023 Administrators Share Posted December 31, 2023 SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0215 AM CST Sun Dec 31 2023 Valid 021200Z - 031200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may occur Tuesday afternoon through Tuesday night across parts of Texas and southwest Louisiana. Severe thunderstorms are not expected. ...Synopsis and Discussion... A strong southern-stream upper trough/low with associated 50-60 kt mid-level jet will progress quickly eastward across northern Mexico and the southern Plains on Tuesday. Surface high pressure should remain entrenched over much of the TN Valley and Southeast through the period, which will likely stunt the northward advance of rich low-level moisture over the western Gulf of Mexico. Even so, a strengthening southerly low-level jet Tuesday afternoon and evening across parts of south/central TX should aid in enough moisture to support weak MUCAPE across these areas. Isolated thunderstorms will probably develop beginning Tuesday afternoon well north of a surface front draped across deep south TX and the northwestern Gulf of Mexico. This convection should remain elevated through Tuesday night as it moves eastward across parts of TX and eventually southwestern LA. Minimal severe risk is evident for this region given generally 100-400 J/kg MUCAPE forecast. ..Gleason.. 12/31/2023 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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