Peakflow Forecasts Header

PORTNEUF--AT POCATELLO
   State:  Idaho    County:  BANNOCK
   Latitude:  42 52' 18" North    Longitude:  112 28' 5" West
   Elevation:  4420 feet
   Supporting WFO:  Pocatello    
   Action Stage:  8'   Flood Stage:  8.5'   Moderate Flood Stage:  10'
   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.

PORTNEUF--AT POCATELLO   (PIHI1)
Forecasts for Water Year 2025
Ensemble Date: 2025-05-14
 Forecast Period: May 14 to September 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 6.27 414 2025-05-20
90 % 6.27 414 2025-05-20
70 % 6.27 414 2025-05-20
50 % 6.27 414 2025-05-20
30 % 6.27 414 2025-05-20
10 % 6.76 488 2025-06-04
05 % 7.03 530 2025-06-08

Peakflow exceedence plot for PIHI1

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