Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0357 AM CDT Wed Oct 15 2025 Valid 181200Z – 231200Z …DISCUSSION… …Saturday/Day 4… A large-scale mid-level trough will move through the Great Plains on Saturday, with a moist airmass in place across the Ark-La-Tex, Ozarks and lower Mississippi Valley. Within this airmasss, an area of thunderstorms is likely to be ongoing at the start of the period across parts of eastern Oklahoma and southwest Missouri. Ahead of this convection, moisture advection and surface heating will contribute to a moderately unstable airmass by midday, with forecasts increasing […]
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0222 AM CDT Wed Oct 15 2025 Valid 171200Z – 181200Z …THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PARTS OF THE SOUTHERN AND CENTRAL PLAINS INTO THE LOWER MISSOURI VALLEY… …SUMMARY… Thunderstorms with isolated large hail and severe wind gusts will be possible Friday into Friday night from the southern and central Plains into the lower Missouri Valley. …Southern and Central Plains/Lower Missouri Valley… A mid-level trough will move eastward across the central Rockies on Friday, as southwest flow remains in place over […]
SPC Day 2 Fire Weather Outlook Day 2 Fire Weather Outlook NWS Storm Prediction Center Norman OK 0146 AM CDT Wed Oct 15 2025 Valid 161200Z – 171200Z …NO CRITICAL AREAS… …Synopsis… Downstream of a highly amplified large-scale trough over the West, a south-southwesterly midlevel jet will overspread the central/northern Plains. A related surface low will track northward across the northern Plains, while a secondary lee cyclone evolves over the central High Plains. Near and south of the lee cyclone, a tightened pressure gradient will favor 15-20 mph sustained southerly surface winds (with higher gusts) over the central/southern Plains. While […]
