Peakflow Forecasts Header

TETON--NEAR ST. ANTHONY
   State:  Idaho    County:  FREMONT
   Latitude:  43 55' 37" North    Longitude:  111 36' 55" West
   Elevation:  4970 feet
   Supporting WFO:  Pocatello    
   Action Stage:  5.5'   Flood Stage:  6'   Moderate Flood Stage:  6.5'
   Major Flood Stage:  7'

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.

TETON--NEAR ST. ANTHONY   (TEAI1)
Forecasts for Water Year 2025
Ensemble Date: 2025-05-12
 Forecast Period: May 12 to September 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 4.68 2743 2025-05-20
90 % 4.68 2743 2025-05-20
70 % 4.73 2820 2025-05-26
50 % 4.89 3032 2025-05-29
30 % 5.26 3578 2025-06-07
10 % 5.76 4384 2025-06-11
05 % 5.99 4770 2025-06-13

Peakflow exceedence plot for TEAI1

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