PROJECT ALERT NOTICE (MT) Flooding in Montana, day 4

Date: Sun, 19 Jun 2022 10:17:56 EDT

Summary: Flooding persists in the Yellowstone River basin, day 8

Flooding persists in the Yellowstone River basin in Montana. Gages in the upper portion the Yellowstone River basin will experience a secondary peak from the remaining snowmelt today and tomorrow. One gage on the lower portion of the Yellowstone River near Sidney, MT continues to rise and is expected to peak today.

Rock Cr nr Red Lodge was reinstalled on Friday June 17. One orifice (Yellowstone River Fish Bypass Channel nr Intake MT) was damaged by flood waters, and will be repaired today.

Currently, WY-MT has 2 crews in the field making measurements and field observations in Montana. Crews are downloading measurements, applying shifts and/or redrawing ratings from the field. The USGS is communicating with the NWS and other cooperators as needed.

WY-MT crews will continue to make measurements through Friday June 24 to provide further rating definition.

Additional flooding due to snowmelt runoff will likely occur next week in the Yellowstone, Flathead, Bitterroot, and Clark Fork River basins.

Please contact Scott Whiteman or Cheryl Miller (cemiller@usgs.gov) for questions regarding WY-MT gages.