Peakflow Forecasts Header

HENRYS FORK--AT REXBURG
   State:  Idaho    County:  MADISON
   Latitude:  43 49' 32" North    Longitude:  111 54' 18" West
   Elevation:  4806 feet
   Supporting WFO:  Pocatello    
   Action Stage:  9'   Flood Stage:  9.5'   Moderate Flood Stage:  11.5'
   Major Flood Stage:  
13'

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.

HENRYS FORK--AT REXBURG   (REXI1)
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 % 4.50 1800 2022-01-04
90 % 4.50 1805 2022-01-10
70 % 4.65 1907 2022-02-01
50 % 4.96 2128 2022-03-13
30 % 5.33 2385 2022-03-22
10 % 6.34 3190 2022-03-29
05 % 6.40 3252 2022-03-30

Peakflow exceedence plot for REXI1

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