Peakflow Forecasts Header

PALOUSE--NEAR POTLATCH
   State:  Idaho    County:  LATAH
   Latitude:  46 54' 55" North    Longitude:  116 57' 0" West
   Elevation:  2455 feet
   Supporting WFO:  Spokane    
   Action Stage:  14'   Flood Stage:  15'   Moderate Flood Stage:  16'
   Major Flood Stage:  
17'

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.

PALOUSE--NEAR POTLATCH   (PLOI1)
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 % 8.97 861 2022-01-11
90 % 9.13 918 2022-02-02
70 % 10.65 1527 2022-02-19
50 % 11.45 1905 2022-03-04
30 % 13.47 3224 2022-03-20
10 % 19.90 9789 2022-03-28
05 % 20.51 10600 2022-03-31

Peakflow exceedence plot for PLOI1

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