Cold/Wind Chill — Petroleum, Montana

2022-12-21 to 2022-12-22 · Petroleum, Montana

Event narrative

For multiple sites across Petroleum County, temperatures in the teens and 20s below zero and breezy winds created intermittent periods of wind chills of -40 or worse from early morning of the 21st into the morning of the 22nd. The peak wind chill of -47 was recorded at 3:50 PM and 4:50 PM on the 21st at the Winnett Handar mesonet site (GGWWT).

Wider weather episode

An Arctic Air Mass brought the coldest temperatures that northeast Montana has seen in 3 years. Wind chills with this cold air outbreak measured lower than -60 degrees in places.

Source: NOAA Storm Events Database, event_id 1066819. Narrative written by the NWS forecast office that issued the report.