Giant Hail Looms Plains, Downbursts Blast Gulf in Dual Severe Threats — SevereWX
Giant Hail Looms Plains, Downbursts Blast Gulf in Dual Severe Threats
Afternoon storms are ramping up across two distant regions, with the most explosive potential in Nebraska and northern Kansas where massive hail over 2 inches and 70-80 mph wind gusts could hammer the area soon.
Plains Power: Nebraska to North-Central Kansas
Clusters of thunderstorms, some elevated above a dry layer near the surface, are strengthening near a subtle front and outflow boundary. Steep lapse rates and 1500-2500 J/kg MUCAPE fuel these storms, backed by 40-50+ kt shear that could spin up supercells. The SPC's Mesoscale Discussion 2068 gives an 80% shot at a watch, as activity near McCook, NE pushes southeast into hotter, unstable Kansas air.
Gulf Heat Engine: Eastern Texas to Central Gulf Coast
Meanwhile, scorching heat—upper 90s with mid-70s dewpoints—and boundaries like a cold front, sea breeze, and an old MCV spark scattered storms from northeast Texas through Louisiana, Mississippi, Alabama, and Florida. Extreme instability tops 3000-3500 J/kg MLCAPE, priming water-loaded downbursts for damaging winds, plus isolated marginally severe hail. MD 2066 pegs watch odds at 60%.
These Mesoscale Discussions are the SPC's early alert for fast-evolving severe weather on scales too small for broad outlooks. They signal close monitoring, with watches likely soon—meaning severe thunderstorms could disrupt your afternoon.
Stay Prepared: Check radar often via apps like RadarScope or local NWS sites. Have a safe spot ready for hail or winds, secure outdoor items, and heed any warnings. Livesafe in severe weather—don't drive into it.
Updated 2 PM CDT, Aug 21, 2026. Follow @SevereWXdotNet for live coverage.
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