High Wind — Charles Mix, South Dakota

2025-12-09 to 2025-12-10 · Charles Mix, South Dakota

Event narrative

Synoptic northwest winds were occasionally sustained from 40 to 45 mph with gusts as high as 72 mph at a South Dakota Road Weather Information System site 13 miles west of Platte and 59 mph 8 miles east of Wagner.

Wider weather episode

An amplifying clipper system raced from southern Alberta to Wisconsin from later on December 9 through midday on December 10. Intense synoptic winds developed on the back side of the system behind the surging cold front. Widespread northwest wind gusts reached 50 to 70 mph over several hours and resulted in considerable small limb damage and some spotty infrastructure damage.

Source: NOAA Storm Events Database, event_id 1307039. Narrative written by the NWS forecast office that issued the report.