Peakflow Forecasts Header

KETTLE--NEAR FERRY
   State:  Washington    County:  FERRY
   Latitude:  48 58' 53" North    Longitude:  118 45' 55" West
   Elevation:  1837 feet
   Supporting WFO:  Spokane    
   Action Stage:  17.5'   Flood Stage:  18.5'   Moderate Flood Stage:  19.5'
   Major Flood Stage:  20.5'

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.

KETTLE--NEAR FERRY   (FRYW1)
Forecasts for Water Year 2024
Ensemble Date: 2024-04-19
 Forecast Period: April 19 to August 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 14.21 5453 2024-05-02
90 % 14.51 5998 2024-05-05
70 % 15.10 7111 2024-05-10
50 % 15.56 8025 2024-05-17
30 % 16.19 9374 2024-05-27
10 % 16.71 10549 2024-06-03
05 % 17.46 12301 2024-06-14

Peakflow exceedence plot for FRYW1

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