Subj : DAY1SVR: Day 1 Convective Outlook To : wx-storm@lists.illinois.edu From : COD Weather Processor Date : Sat Nov 04 2023 12:31:14 ACUS01 KWNS 041231 SWODY1 SPC AC 041229 Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0729 AM CDT Sat Nov 04 2023 Valid 041300Z - 051200Z ....NO SEVERE THUNDERSTORM AREAS FORECAST... ....SUMMARY... Isolated thunderstorms are possible across parts of the Pacific Northwest and south Florida. ....Synopsis... A midlevel shortwave trough will progress inland over the Pacific Northwest and slowly lose amplitude through tonight. Isolated lightning flashes will be possible this morning with slightly elevated convection in the main baroclinic band, while it is not clear that post-frontal convection later today into tonight will be deep enough to produce lightning. Farther inland across parts of eastern OR/WA into ID, cooling midlevel temperatures and steepening lapse rates will result in at least weak buoyancy (MUCAPE of 100-300 J/kg) and the potential for isolated lightning flashes later this afternoon into early tonight. Otherwise, a modifying air mass along a stalled front across southeast FL and a diffuse southern stream shortwave trough could support isolated thunderstorms later today. However, forcing for ascent and buoyancy will remain relatively weak, which suggests that storm coverage/intensity will be limited. ...Thompson.. 11/04/2023 $$ = = = 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 3.14-Linux * Origin: capitolcityonline.net * Telnet/SSH:2022/HTTP (1:2320/105) .