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: 2026-06-05
Forecast Period: June 5 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.93 164 2026-06-05
90 % 2.93 164 2026-06-05
70 % 3.50 346 2026-07-12
50 % 4.20 714 2026-09-14
30 % 4.59 985 2026-09-26
10 % 6.27 2307 2026-09-30
05 % 11.17 9154 2026-10-01

Peakflow exceedence plot for CALW1

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