Extreme Cold/Wind Chill — South Sioux, Nebraska
2019-03-03 · South Sioux, Nebraska
Event narrative
Nebraska Department of Roads sensor south of Agate measured a minimum wind chill of minus 30.
Wider weather episode
An arctic boundary with an upper level disturbance moved across the region that contributed to enhanced frontogenetic forcing and moisture advection to produce heavy snow and gusty winds followed by cold arctic air and wind chills below minus 30.
Source: NOAA Storm Events Database, event_id 809821. Narrative written by the NWS forecast office that issued the report.