High Wind — Southern Lewis and Clark, Montana
2022-04-04 to 2022-04-05 · Southern Lewis and Clark, Montana
57 MG
Magnitude
Event narrative
Multiple sensors measured gusts of 58 mph or greater, including an ambient weather station near Joslyn Street in Helena which measured a 66 mph gust.
Wider weather episode
A deepening shortwave trough passed over the Northern Rockies. The dynamics with this system were rather impressive, complete with 50 to 70 kt mid-level flow and a strong cold front with H700 temperatures in the -10 to -15C range.
Source: NOAA Storm Events Database, event_id 1016088. Narrative written by the NWS forecast office that issued the report.