Peakflow Forecasts Header

SPOKANE--AT SPOKANE
   State:  Washington    County:  SPOKANE
   Latitude:  47 39' 34" North    Longitude:  117 26' 53" West
   Elevation:  1696 feet
   Supporting WFO:  Spokane    
   Action Stage:  26'   Flood Stage:  27'   Moderate Flood Stage:  29'
   Major Flood Stage:  
30'

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.

SPOKANE--AT SPOKANE   (SPOW1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-08
Forecast Period: December 8 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 21.20 8084 2022-01-13
90 % 21.43 8750 2022-01-21
70 % 22.57 12414 2022-02-27
50 % 23.06 14150 2022-03-19
30 % 24.01 17874 2022-03-28
10 % 25.15 22926 2022-04-01
05 % 26.59 30221 2022-04-01

Peakflow exceedence plot for SPOW1

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