Peakflow Forecasts Header

PROSPECT CREEK--AT THOMPSON FALLS
   State:  Montana    County:  SANDERS
   Latitude:  47 35' 9" North    Longitude:  115 21' 15" West
   Elevation:  2382 feet
   Supporting WFO:  Missoula    
   Action Stage:  6.5'   Flood Stage:  7.5'   Moderate Flood Stage:  8'
   Major Flood Stage:  
9'

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.

PROSPECT CREEK--AT THOMPSON FALLS   (PRCM8)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-07
Forecast Period: December 7 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 1.64 160 2021-12-11
90 % 1.91 206 2022-01-09
70 % 2.67 385 2022-02-08
50 % 2.98 483 2022-03-14
30 % 3.95 882 2022-03-25
10 % 4.68 1296 2022-03-30
05 % 4.87 1414 2022-04-01

Peakflow exceedence plot for PRCM8

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