Peakflow Forecasts Header

SNAKE--NEAR HEISE
   State:  Idaho    County:  BONNEVILLE
   Latitude:  43 36' 45" North    Longitude:  111 39' 36" West
   Elevation:  5015 feet
   Supporting WFO:  Pocatello    
   Action Stage:  6.25'   Flood Stage:  8'   Moderate Flood Stage:  9.5'
   Major Flood Stage:  11'

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 HEISE   (HEII1)
Forecasts for Water Year 2025
Ensemble Date: 2025-07-08
 Forecast Period: July 8 to November 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 6.17 13030 2025-07-29
90 % 6.17 13030 2025-07-29
70 % 6.17 13031 2025-07-29
50 % 6.17 13031 2025-07-29
30 % 6.17 13033 2025-07-29
10 % 6.17 13036 2025-07-29
05 % 6.17 13039 2025-07-29

Peakflow exceedence plot for HEII1

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