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COWLITZ--MOSSYROCK RESERVOIR
   State:  Washington    County:  LEWIS
   Latitude:  46 32' 7" North    Longitude:  122 25' 24" West
   Elevation:  679 feet
   Supporting WFO:  Seattle    
   Inflow Data  

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.

COWLITZ--MOSSYROCK RESERVOIR   (MSRW1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-08
Forecast Period: December 8 to April 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 9222 2021-12-13
90 % 9515 2021-12-15
70 % 17719 2022-01-07
50 % 26016 2022-01-19
30 % 35265 2022-02-08
10 % 55092 2022-03-02
05 % 59116 2022-03-19

Peakflow exceedence plot for MSRW1

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