Peakflow Forecasts Header

WHITE--AT R STREET
   State:  Washington    County:  KING
   Latitude:  47 16' 29" North    Longitude:  122 12' 23" West
   Elevation:  115 feet
   Supporting WFO:  Seattle    
   Action Stage:  114.31'   Flood Stage:  115.18'   Moderate Flood Stage:  116.11'
   Major Flood Stage:  
116.78'

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.

WHITE--AT R STREET   (WRAW1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-07
Forecast Period: December 7 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 113.55 4019 2021-12-12
90 % 113.55 4019 2021-12-12
70 % 114.65 6231 2022-01-03
50 % 115.51 8328 2022-01-11
30 % 116.73 11846 2022-01-31
10 % 118.85 19498 2022-02-19
05 % 119.92 24155 2022-02-24

Peakflow exceedence plot for WRAW1

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