Peakflow Forecasts Header

CLARK FORK--BELOW MISSOULA
   State:  Montana    County:  MISSOULA
   Latitude:  46 52' 9" North    Longitude:  114 7' 32" West
   Elevation:  3084 feet
   Supporting WFO:  Missoula    
   Action Stage:  10.5'   Flood Stage:  11'   Moderate Flood Stage:  12'
   Major Flood Stage:  
13'

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--BELOW MISSOULA   (BELM8)
Forecasts for Water Year
2025
Ensemble Date: 2025-05-15
Forecast Period: May 15 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 5.02 14180 2025-05-20
90 % 5.02 14180 2025-05-20
70 % 5.38 15860 2025-05-30
50 % 5.76 17548 2025-06-03
30 % 6.15 19356 2025-06-07
10 % 6.73 22203 2025-06-18
05 % 6.92 23189 2025-06-27

Peakflow exceedence plot for BELM8

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