Peakflow Forecasts Header

SNAKE--NEAR SHELLEY
   State:  Idaho    County:  BINGHAM
   Latitude:  43 24' 47" North    Longitude:  112 8' 6" West
   Elevation:  4599 feet
   Supporting WFO:  Pocatello    
   Action Stage:  12'   Flood Stage:  12.5'   Moderate Flood Stage:  13'
   Major Flood Stage:  
13.5'

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.

SNAKE--NEAR SHELLEY   (SHYI1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-15
Forecast Period: July 15 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 7.14 6824 2025-07-25
90 % 7.14 6824 2025-07-25
70 % 7.14 6824 2025-07-25
50 % 7.14 6824 2025-07-25
30 % 7.14 6824 2025-07-25
10 % 7.20 7044 2025-11-01
05 % 7.31 7384 2025-11-01

Peakflow exceedence plot for SHYI1

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