SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 AM CDT Sat Apr 25 2026 Valid 251300Z – 261200Z …THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF CENTRAL/EASTERN OKLAHOMA AND FAR NORTH TEXAS… …SUMMARY… Severe thunderstorms with very large to giant hail (2 to 4+ inches in diameter), tornadoes, and scattered damaging winds are expected late this afternoon through tonight across parts of the southern Plains and ArkLaTex. A couple of strong tornadoes are possible. …Synopsis… A closed mid/upper-level low will remain centered over Manitoba and Saskatchewan today, while generally […]
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0355 AM CDT Sat Apr 25 2026 Valid 281200Z – 031200Z …DISCUSSION… In the wake of a significant surface cyclone, which may be in the process of migrating northeast of the upper Great Lakes region by 12Z Tuesday, it appears that a cold front will gradually advance across the Atlantic Seaboard and into the Gulf coast vicinity before stalling later this work week into next weekend. It appears that this will occur coincident with the southwestward suppression of subtropical ridging, initially centered over southern Mexico and influential […]