Heavy Snow — Sierra Madre Range, Wyoming

2023-03-14 to 2023-03-16 · Sierra Madre Range, Wyoming

Event narrative

Little Snake River SNOTEL (elevation 8915 feet) estimated 15 inches of snowfall with 10:1 snow to liquid ratios. Multiple SNOTEL stations near and above 9000 feet elevation estimated storm total snowfall amounts between 10 and 15 inches.

Wider weather episode

Moist upslope southwest flow led to heavy snow accumulations across portions of the Sierra Madre Range on the 15th of March with over a foot of accumulation near and above 9000 feet elevation.

Source: NOAA Storm Events Database, event_id 1075966. Narrative written by the NWS forecast office that issued the report.