SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1151 AM CDT Thu Jun 12 2025 Valid 121630Z - 131200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE NORTH-CENTRAL PLAINS... ...SUMMARY... Scattered areas of severe thunderstorm development are possible today into tonight, accompanied by potential for severe hail and wind across parts of the Great Plains, the Upper Midwest, the Texas coastal plain into the Lower Mississippi Valley, as well as a portion of the northern Mid-Atlantic. ...North-central Plains including Nebraska/South Dakota... A low-amplitude shortwave trough and associated speed max will progress