Peakflow Forecasts Header

MORES CREEK--NR ARROWROCK DAM
   State:  Idaho    County:  ADA
   Latitude:  43 39' 0" North    Longitude:  115 58' 59" West
   Elevation:  3120 feet
   Supporting WFO:  Boise    
   Action Stage:  8'   Flood Stage:  8.8'

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.

MORES CREEK--NR ARROWROCK DAM   (MORI1)
Forecasts for Water Year
2026
Ensemble Date: 2026-05-14
Forecast Period: May 14 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.37 386 2026-05-14
90 % 3.37 386 2026-05-14
70 % 3.37 386 2026-05-14
50 % 3.37 386 2026-05-14
30 % 3.37 386 2026-05-14
10 % 3.98 655 2026-05-30
05 % 4.17 747 2026-06-07

Peakflow exceedence plot for MORI1

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