Winter Storm — Southern Washington Cascade Foothills, Washington

2017-01-07 to 2017-01-08 · Southern Washington Cascade Foothills, Washington

Event narrative

The Columbia River Highway was closed between Larch Mountain Rd and Vista House due to extreme ice conditions. Similar conditions likely extended into the South Washington Cascade Foothills near the Columbia Gorge, since they had similar precipitation amounts and temperatures.

Wider weather episode

A broad shortwave trough brought multiple rounds of precipitation, including a wintry mix of snow and ice for many locations across Southwest Washington. Strong easterly pressure gradients generated high winds through the Columbia River Gorge as well on January 8.

Source: NOAA Storm Events Database, event_id 678250. Narrative written by the NWS forecast office that issued the report.