Peakflow Forecasts Header

CLARK FORK--AT ST REGIS
   State:  Montana    County:  MINERAL
   Latitude:  47 18' 6" North    Longitude:  115 5' 11" West
   Elevation:  2600 feet
   Supporting WFO:  Missoula    
   Action Stage:  18'   Flood Stage:  19'   Moderate Flood Stage:  21'
   Major Flood Stage:  
22'

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.

CLARK FORK--AT ST REGIS   (SRGM8)
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 % 6.27 4286 2021-12-08
90 % 6.27 4286 2021-12-08
70 % 6.42 4568 2022-01-28
50 % 6.95 5626 2022-03-19
30 % 7.65 7207 2022-03-27
10 % 8.30 8870 2022-04-01
05 % 9.06 11021 2022-04-01

Peakflow exceedence plot for SRGM8

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