Peakflow Forecasts Header

SF PAYETTE--AT LOWMAN
   State:  Idaho    County:  BOISE
   Latitude:  44 5' 7" North    Longitude:  115 37' 15" West
   Elevation:  3790 feet
   Supporting WFO:  Boise    
   Action Stage:  7'   Flood Stage:  7.5'   Moderate Flood Stage:  8'
   Major Flood Stage:  
9'

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 PAYETTE--AT LOWMAN   (PRLI1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-08
Forecast Period: December 8 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.34 373 2021-12-27
90 % 3.41 418 2022-03-04
70 % 3.55 514 2022-03-23
50 % 3.74 664 2022-03-28
30 % 3.99 897 2022-03-30
10 % 4.21 1152 2022-04-01
05 % 4.36 1333 2022-04-01

Peakflow exceedence plot for PRLI1

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