Hail — Union, South Dakota

2025-06-14 · near Big Spgs, Union, South Dakota

Wider weather episode

Weak warm advection initiated isolated convection in a low-shear, high CAPE environment. Slow moving storms made the most of strong initial updrafts to produce hail up to half-dollar size, followed by damaging wind gusts later in storm evolution.

View location on OpenStreetMap → (43.0000, -96.5400)

Source: NOAA Storm Events Database, event_id 1278340. Narrative written by the NWS forecast office that issued the report.