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
2024
Ensemble Date: 2024-03-28
Forecast Period: March 28 to July 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 22.30 11458 2024-04-15
90 % 22.62 12546 2024-04-17
70 % 23.71 16645 2024-04-21
50 % 24.08 18188 2024-05-03
30 % 24.30 19037 2024-05-08
10 % 24.73 20743 2024-06-03
05 % 25.19 22595 2024-06-16

Peakflow exceedence plot for SPOW1

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