Peakflow Forecasts Header

COEUR D ALENE--COEUR D ALENE LAKE
   State:  Idaho    County:  KOOTENAI
   Latitude:  47 39' 57" North    Longitude:  116 46' 14" West
   Elevation:  2160 feet
   Supporting WFO:  Spokane    
   Action Stage:  2132'   Flood Stage:  2133'   Moderate Flood Stage:  2136'
   Major Flood Stage:  
2138'

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.

COEUR D ALENE--COEUR D ALENE LAKE   (COEI1)
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 % 2124.30   2021-12-11
90 % 2124.40   2022-01-16
70 % 2125.80   2022-02-24
50 % 2126.40   2022-03-16
30 % 2127.80   2022-03-26
10 % 2129.30   2022-04-01
05 % 2131.50   2022-04-01

Peakflow exceedence plot for COEI1

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