High Plains Severe Blitz: Rockies Storms Charge with 1.75-Inch Hail, 80 MPH Winds — SevereWX

High Plains Severe Blitz: Rockies Storms Charge with 1.75-Inch Hail, 80 MPH Winds

A potent severe weather setup is exploding across the central High Plains this afternoon, as thunderstorms erupting over the Rockies push east into a highly unstable environment. The Storm Prediction Center (SPC) has issued two Mesoscale Discussions (MDs) — MD 1988 and MD 1989 — each with a 60% chance of severe thunderstorm watches, signaling a broad threat from eastern Wyoming and northeast Colorado southeastward through the Nebraska Panhandle, far southwest South Dakota, far northeast New Mexico, the Oklahoma Panhandle, and southwest Kansas.

Storms are already firing along the Colorado Front Range, central/eastern Wyoming, and the Sangre de Cristo Mountains/Raton Mesa. Visible satellite shows deepening cumulus along a warm front stretching from southwest Kansas into the panhandles, with daytime heating eroding lingering caps. Environments boast steep low-level lapse rates and ample instability (MLCAPE 1000-2500 J/kg), plus 30-40 kt of shear to organize storms.

Northern zones (eastern WY, NE CO, SW SD, NE Panhandle) face initial large hail (1-1.75 inches, golf ball to ping pong ball size) from multicell and supercell modes, transitioning to damaging wind clusters tonight (55-70 mph gusts). Southern areas (NE NM, OK/TX Panhandles, SW KS) emphasize severe winds up to 70-80 mph as storms cluster and merge along boundaries, with some hail mixed in. Computer models show upscale growth into bowing clusters, heightening downburst potential into evening.

For the general public, a Mesoscale Discussion is the SPC's way of flagging rapidly evolving severe risks on small scales (meso = medium-sized). It's not a watch or warning yet, but a heads-up that conditions are ripe — watches could drop soon, followed by warnings if storms intensify.

Stay prepared: Monitor local NWS alerts, have a severe weather plan, secure outdoor items, and seek shelter if storms approach. Radar trends are critical this evening — don't wait for sirens! Check SPC site for updates.

(Issued ~3 PM CDT, Aug 15, 2026. Follow SevereWX.net for live coverage.)