Peakflow Forecasts Header

SIMILKAMEEN--NEAR NIGHTHAWK
   State:  Washington    County:  OKANOGAN
   Latitude:  48 59' 4" North    Longitude:  119 37' 9" West
   Elevation:  1138 feet
   Supporting WFO:  Spokane    
   Action Stage:  13'   Flood Stage:  14'   Moderate Flood Stage:  15'
   Major Flood Stage:  
16'

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.

SIMILKAMEEN--NEAR NIGHTHAWK   (NITW1)
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 % 6.89 5467 2021-12-07
90 % 6.89 5467 2021-12-07
70 % 6.89 5467 2021-12-07
50 % 6.89 5467 2021-12-07
30 % 6.89 5467 2021-12-07
10 % 7.34 6289 2022-01-22
05 % 7.56 6703 2022-03-31

Peakflow exceedence plot for NITW1

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