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
2024
Ensemble Date: 2024-04-24
Forecast Period: April 24 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 5.07 1180 2024-05-05
90 % 5.08 1191 2024-05-05
70 % 5.20 1289 2024-05-08
50 % 5.55 1626 2024-05-17
30 % 6.01 2144 2024-05-26
10 % 6.75 3137 2024-06-18
05 % 7.36 4144 2024-06-23

Peakflow exceedence plot for FISM8

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