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NF FLATHEAD--NEAR COLUMBIA FALLS
   State:  Montana    County:  FLATHEAD
   Latitude:  48 29' 44" North    Longitude:  114 7' 36" West
   Elevation:  3145 feet
   Supporting WFO:  Missoula    
   Action Stage:  12.5'   Flood Stage:  13'   Moderate Flood Stage:  17'
   Major Flood Stage:  
19'

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.

NF FLATHEAD--NEAR COLUMBIA FALLS   (FCFM8)
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 % 4.15 3890 2021-12-08
90 % 4.15 3890 2021-12-08
70 % 4.15 3890 2021-12-08
50 % 4.15 3890 2021-12-08
30 % 4.15 3890 2021-12-08
10 % 4.26 4121 2022-03-04
05 % 5.11 6072 2022-03-31

Peakflow exceedence plot for FCFM8

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