Heavy Snow — Southern Rocky Mountain Front, Montana

2023-04-18 to 2023-04-19 · Southern Rocky Mountain Front, Montana

Event narrative

Snotel equipment at Mount Lockhart and Dupuyer creek both estimated 11 inches of new snow.

Wider weather episode

A pair of upper lows became cut off over southern and eastern Montana extending south and east into the Dakotas and Wyoming from a negatively-tilted trough centered off the Pacific Northwest coastline. This cut-off low spun in place through Thursday the 20th. The result was for significant accumulating snow in eastern portions of North-central Montana, with additional heavy snow across much of the rest of Southwest and Central MT.

Source: NOAA Storm Events Database, event_id 1093978. Narrative written by the NWS forecast office that issued the report.