Flood — Boise, Idaho

2010-06-04 · near Garden Vly, Boise, Idaho

Event narrative

Rockslides and flooding on Banks to Lowman Road and Highway 21 closed sections of the roads.

Wider weather episode

A deep low pressure system anchored in the Gulf of Alaska and a zonal flow pattern across the Pacific Northwest and Intermountain West provided the right ingredients for a sustained moisture plume which produced convection and periods of moderate to heavy rain over a three day period causing flooding and flash flooding, and severe thunderstorms across Southeast Oregon and Southwest Idaho.

View location on OpenStreetMap → (44.0800, -115.5100)

Source: NOAA Storm Events Database, event_id 236676. Narrative written by the NWS forecast office that issued the report.