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PROJECT ALERT NOTICE (ID) Moderate flooding in southeastern/southern Idaho

Date: Tue, 30 Apr 2024 08:30:52 EDT

Summary: A four day rain on snow event has caused moderate flooding and high flows in several drainages in southeastern and southern Idaho

affected area: Pocatello, Chubbuck, Tyhee, McCammon, Lava Hot Springs, Inkom, Idaho

Event: Over the past four days, rain on snow has caused moderate flooding and high flows in portions of the Portneuf River, Raft River, and lower Willow Creek basins.

Streamgages: 1 gage has experienced peak of record (13058520, Willow Creek Floodway Channel nr Ucon, ID) Q = 1,020 cfs. Regulated flow in the Willow Creek Basin below Ririe Reservoir

gages impacted (damaged or destroyed) All gages are operational

Three crews were dispatched on Monday (4/29) for flow measurements, rating verification, and rating establishment at newly installed sites.

Three crews are scheduled to be dispatched on Tuesday (4/30) to continue to monitor and measure flow in the impacted basins.

communication with cooperators and stakeholders are conducted as needed to assist with prioritization of sites needing visits.

No WWW page is available or planned.
No news release is planned.
Event Support Map (ESM):
   URL:         https://apps.nationalmap.gov/event-support-map-hub/
Categories:
   + River Flooding

Submitted by: David Evetts (devetts@usgs.gov) 208-996-4579
CC: damiller@usgs.gov

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