Peakflow Forecasts Header

CLACKAMAS--THREE LYNX
   State:  Oregon    County:  CLACKAMAS
   Latitude:  45 7' 30" North    Longitude:  122 4' 19" West
   Elevation:  1120 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.

CLACKAMAS--THREE LYNX   (TLYO3)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-01
Forecast Period: July 1 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 0.86 850 2025-07-07
90 % 1.02 941 2025-07-21
70 % 1.47 1244 2025-10-15
50 % 2.28 1860 2025-10-25
30 % 2.73 2252 2025-10-29
10 % 4.37 4102 2025-11-01
05 % 7.42 9582 2025-11-01

Peakflow exceedence plot for TLYO3

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