Peakflow Forecasts Header

SELWAY--NEAR LOWELL
   State:  Idaho    County:  IDAHO
   Latitude:  46 5' 12" North    Longitude:  115 30' 46" West
   Elevation:  1540 feet
   Supporting WFO:  Missoula    
   Action Stage:  13.5'   Flood Stage:  14'   Moderate Flood Stage:  16'
   Major Flood Stage:  
18'

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.

SELWAY--NEAR LOWELL   (SELI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-03
Forecast Period: July 3 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.17 1813 2025-07-03
90 % 4.17 1813 2025-07-03
70 % 4.17 1813 2025-07-03
50 % 4.17 1813 2025-07-03
30 % 4.17 1813 2025-07-03
10 % 5.68 4666 2025-10-31
05 % 6.11 5764 2025-11-01

Peakflow exceedence plot for SELI1

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