33' - the river reaches the railroad tracks. Stages over 33 feet may flood the railroad tracks, which run parallel to the river along the west bank. Cattle losses are likely. The gage shelter will likely be damaged. No other known structures are threatened.
30' - the river reaches major flood stage. The river continues flooding area rangeland, and cattle losses are likely. Several miles of rangeland are inundated. The gage shelter may be damaged. No other known structures are threatened.
25' - the river reaches moderate flood stage, and begins to flood area rangeland. Cattle in the flood plain may be threatened. The gage shelter is inaccessible.
20' - the river reaches minor flood stage, and no significant damage is expected.