Subj : DAY3SVR: Nws Storm Prediction Center Norman Ok To : All From : Mike Powell Date : Sat May 23 2026 09:15:58 ACUS03 KWNS 230718 SWODY3 SPC AC 230717 Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0217 AM CDT Sat May 23 2026 Valid 251200Z - 261200Z ....NO SEVERE THUNDERSTORM AREAS FORECAST... ....SUMMARY... Scattered thunderstorms will be possible from portions of the Southwest to the central/southern High Plains and across the southern Ohio Valley and the Southeast. Additional shower and thunderstorm activity will be possible across the Pacific Northwest. Severe storms are generally not expected. On D3/Monday, guidance suggests that height rises will begin across the central US as a high amplitude ridge builds in from the west. An upper level low will begin to deepen and move inland across the Pacific Northwest through the period. Though instability will be minimal, cooling temperatures aloft with the upper low may promote a few thunderstorms towards the end of the period. Slow moisture return will continue across much of the Plains into the Midwest, with areas of widely scattered areas of thunderstorms possible across portions of the Southwest to the southern/central High Plains and from the southern Ohio Valley into the Southeast. A few strong to marginally severe storms will be possible from the Plains to the Southeast where better instability resides, but generally weak flow and subsidence aloft will keep organized storm potential low. ...Thornton.. 05/23/2026 $$ --- MultiMail/DOS * Origin: ILink: Project Scorpio TEST (454:1/105.6) .