Peakflow Forecasts Header

FISHER--NEAR LIBBY
   State:  Montana    County:  FLATHEAD
   Latitude:  48 21' 20" North    Longitude:  115 18' 50" West
   Elevation:  2134 feet
   Supporting WFO:  Missoula    
   Action Stage:  7'   Flood Stage:  7.5'   Moderate Flood Stage:  8.5'
   Major Flood Stage:  
10'

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.

FISHER--NEAR LIBBY   (FISM8)
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 % 4.36 643 2022-01-11
90 % 4.41 673 2022-01-23
70 % 4.67 834 2022-03-15
50 % 5.07 1129 2022-03-21
30 % 5.38 1389 2022-03-27
10 % 6.07 2131 2022-04-01
05 % 6.62 2866 2022-04-01

Peakflow exceedence plot for FISM8

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