Peakflow Forecasts Header

BITTERROOT--NEAR MISSOULA
   State:  Montana    County:  MISSOULA
   Latitude:  46 49' 55" North    Longitude:  114 3' 11" West
   Elevation:  3110 feet
   Supporting WFO:  Missoula    
   Action Stage:  10'   Flood Stage:  11'   Moderate Flood Stage:  13'
   Major Flood Stage:  15'

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.

BITTERROOT--NEAR MISSOULA   (BITM8)
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 % 8.09 9018 2025-05-13
90 % 8.09 9018 2025-05-13
70 % 8.09 9018 2025-05-13
50 % 8.38 9734 2025-05-30
30 % 8.85 10906 2025-06-05
10 % 9.63 12950 2025-06-14
05 % 10.03 13988 2025-06-26

Peakflow exceedence plot for BITM8

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