Peakflow Forecasts Header

MCKENZIE--BELOW TRAIL BRIDGE DAM
   State:  Oregon    County:  LINN
   Latitude:  44 16' 5" North    Longitude:  122 2' 54" West
   Elevation:  1980 feet
   Supporting WFO:  Portland    

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

MCKENZIE--BELOW TRAIL BRIDGE DAM   (TRBO3)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-14
Forecast Period: July 14 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.47 790 2025-07-14
90 % 6.47 790 2025-07-14
70 % 6.47 790 2025-07-14
50 % 6.56 862 2025-10-12
30 % 6.77 1038 2025-10-26
10 % 7.10 1343 2025-11-01
05 % 7.71 1940 2025-11-01

Peakflow exceedence plot for TRBO3

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon