Peakflow Forecasts Header

SF SKOKOMISH--NEAR UNION
   State:  Washington    County:  MASON
   Latitude:  47 20' 25" North    Longitude:  123 16' 43" West
   Elevation:  103 feet
   Supporting WFO:  Seattle    

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.

SF SKOKOMISH--NEAR UNION   (SSUW1)
Forecasts for Water Year
2024
Ensemble Date: 2024-05-07
Forecast Period: May 7 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 1.01 591 2024-05-07
90 % 1.01 591 2024-05-07
70 % 1.01 591 2024-05-07
50 % 1.06 641 2024-05-25
30 % 1.28 850 2024-06-09
10 % 1.49 1083 2024-07-11
05 % 1.53 1129 2024-08-17

Peakflow exceedence plot for SSUW1

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