Peakflow Forecasts Header

SF BOISE--ANDERSON RANCH DAM
   State:  Idaho    County:  ELMORE
   Latitude:  43 21' 30" North    Longitude:  115 26' 44" West
   Elevation:  3880 feet
   Supporting WFO:  Boise    
   Inflow Data  

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.

SF BOISE--ANDERSON RANCH DAM   (ARAI1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-07
Forecast Period: December 7 to April 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 554 2022-02-19
90 % 671 2022-03-08
70 % 1084 2022-03-20
50 % 1275 2022-03-26
30 % 1862 2022-03-29
10 % 2602 2022-04-01
05 % 3048 2022-04-01

Peakflow exceedence plot for ARAI1

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