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
2026
Ensemble Date: 2026-02-06
Forecast Period: February 6 to June 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.98 3568 2026-02-09
90 % 3.98 3568 2026-02-09
70 % 4.90 4864 2026-02-23
50 % 5.52 5864 2026-03-10
30 % 6.23 7140 2026-03-28
10 % 8.09 11103 2026-04-23
05 % 9.30 14091 2026-05-04

Peakflow exceedence plot for TLYO3

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