Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok To : wx-storm@lists.illinois.edu From : COD Weather Processor Date : Wed Feb 22 2023 06:16:05 ACUS03 KWNS 220616 SWODY3 SPC AC 220615 Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1215 AM CST Wed Feb 22 2023 Valid 241200Z - 251200Z ....NO SEVERE THUNDERSTORM AREAS FORECAST... ....SUMMARY... A few low-topped thunderstorms may occur on Friday over parts of coastal into central California. ....Synopsis/Discussion... An upper high will retrograde into the Gulf of Mexico on Friday as an upper wave exits the Northeast and another dives southeastward into the northern Plains Friday night. Farther west, a deep upper low will move south just off the CA Coast, with a cyclonically curved jet max nosing into southern CA toward 12Z Saturday. At the surface, a substantial surface ridge will be located over the northern and central Plains, with a cold front pushing south across the Gulf Coast states and coastal Southeast. The front will stall overnight, with mid 60s F dewpoints common to the south. Meanwhile, the deep-layer cyclone will remain off the CA Coast through the period, but cold temperatures aloft will remain, favoring scattered showers including a few lightning flashes. MUCAPE is forecast to remain less than 100 J/kg, suggesting only weak convection across central and western portions of the state. While winds will veer with height, surface temperatures will remain relatively cool/stable due to widespread precipitation, reducing surface heating. Otherwise, weak warm advection atop the Gulf-Coast boundary may result in a few elevated showers, but the overall thunderstorm threat appears negligible. ...Jewell.. 02/22/2023 $$ = = = 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) .