Peakflow Forecasts Header

CLEARWATER--AT OROFINO
   State:  Idaho    County:  CLEARWATER
   Latitude:  46 28' 42" North    Longitude:  116 15' 23" West
   Elevation:  991 feet
   Supporting WFO:  Missoula    
   Action Stage:  16'   Flood Stage:  17'   Moderate Flood Stage:  18.5'
   Major Flood Stage:  
20'

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.

CLEARWATER--AT OROFINO   (ORFI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-11
Forecast Period: July 11 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.51 2854 2025-07-11
90 % 3.51 2854 2025-07-11
70 % 3.51 2854 2025-07-11
50 % 3.51 2854 2025-07-11
30 % 4.07 3936 2025-10-17
10 % 6.40 10322 2025-11-01
05 % 6.71 11384 2025-11-01

Peakflow exceedence plot for ORFI1

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