Peakflow Forecasts Header

CALAWAH--NEAR FORKS
   State:  Washington    County:  CLALLAM
   Latitude:  47 57' 37" North    Longitude:  124 23' 30" West
   Elevation:  210 feet
   Supporting WFO:  Seattle    
   Action Stage:  14.6'

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.

CALAWAH--NEAR FORKS   (CALW1)
Forecasts for Water Year
2026
Ensemble Date: 2026-09-15
Forecast Period: September 15 to January 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 9.49 6155 2026-10-31
90 % 10.42 7760 2026-11-05
70 % 13.35 13842 2026-11-19
50 % 14.95 17808 2026-12-04
30 % 16.16 21023 2026-12-15
10 % 19.21 30023 2026-12-25
05 % 21.75 38389 2026-12-28

Peakflow exceedence plot for CALW1

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