Peakflow Forecasts Header

CLARK FORK--NR DRUMMOND
   State:  Montana    County:  GRANITE
   Latitude:  46 42' 44" North    Longitude:  113 19' 48" West
   Elevation:  3379 feet
   Supporting WFO:  Missoula    
   Action Stage:  7'   Flood Stage:  8'   Moderate Flood Stage:  10'
   Major Flood Stage:  
11.5'

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--NR DRUMMOND   (DRMM8)
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 % 3.14 566 2021-12-10
90 % 3.14 566 2021-12-10
70 % 3.14 566 2021-12-10
50 % 3.17 580 2022-03-13
30 % 3.40 699 2022-03-27
10 % 3.70 880 2022-03-31
05 % 3.86 991 2022-04-01

Peakflow exceedence plot for DRMM8

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