Subj : DAY48SVR: Nws Storm Prediction Center Norman Ok To : wx-storm@lists.illinois.edu From : COD Weather Processor Date : Wed Nov 27 2024 09:02:19 ACUS48 KWNS 270902 SWOD48 SPC AC 270900 Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0300 AM CST Wed Nov 27 2024 Valid 301200Z - 051200Z ....DISCUSSION... Severe-thunderstorm potential still appears low through the extended range. An upper-level trough is expected to persist across the eastern CONUS through the period, as multiple reinforcing shortwaves move southeastward from Canada. A surface ridge covering much of the central/eastern CONUS will inhibit low-level moisture return through most of the extended range. Guidance suggests potential for the surface ridge to eventually shift eastward by D7/Tuesday into D8/Wednesday, allowing for some moisture return into parts of Texas. This could lead to an increase in thunderstorm activity, but the displacement between stronger deep-layer flow/shear and any appreciable surface-based instability currently appears too large to support organized severe potential through early next week. ...Dean.. 11/27/2024 = = = To unsubscribe from WX-STORM and you already have a login, go to https://lists.illinois.edu and use the "Unsubscribe" link. Otherwise email Chris Novy at cnovy@cox.net and ask to be removed from WX-STORM. --- SBBSecho 3.20-Linux * Origin: capitolcityonline.net * Telnet/SSH:2022/HTTP (1:2320/105) .