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: 2025-05-12
Forecast Period: May 12 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.12 1727 2025-05-18
90 % 2.12 1727 2025-05-18
70 % 2.12 1727 2025-05-18
50 % 2.32 1899 2025-05-29
30 % 3.29 2822 2025-06-05
10 % 4.33 4054 2025-06-13
05 % 4.89 4870 2025-06-16

Peakflow exceedence plot for TLYO3

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