Winter Storm — Southwest Big Horn Basin, Wyoming

2017-01-23 to 2017-01-24 · Southwest Big Horn Basin, Wyoming

Event narrative

Trained spotters measured 7 to 10 inches of new snow around the city of Thermopolis.

Wider weather episode

Another strong, moisture laden Pacific system moved into Wyoming and brought moderate to heavy snow for many areas across western and central Wyoming. In areas West of the Divide, the highest amounts fell in the Tetons where 19 inches of new snow fell at the Jackson Hole Ski Resort. Other notable amounts west of the Divide included 15 inches at the Star Valley Ranch, 15 inches at Green River and 14 inches at Farson. Heavy snow also moved East of the Divide. The heaviest snow occurred in Fremont County where around a foot of new snow fell near Lander with 8 to 10 inches around Riverton. Some other amounts included 7 to 10 inches around Thermopolis and 6 to 9 inches around Casper. As a result of the snow, many roads and mountains passes were closed at times during the winter storm.

Source: NOAA Storm Events Database, event_id 670159. Narrative written by the NWS forecast office that issued the report.