Peakflow Forecasts Header

YAAK--NEAR TROY
   State:  Montana    County:  LINCOLN
   Latitude:  48 33' 42" North    Longitude:  115 58' 9" West
   Elevation:  1839 feet
   Supporting WFO:  Missoula    
   Action Stage:  7.5'   Flood Stage:  8'   Moderate Flood Stage:  9'
   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.

YAAK--NEAR TROY   (TRYM8)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-25
Forecast Period: April 25 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.49 3239 2024-05-06
90 % 6.50 3252 2024-05-06
70 % 6.54 3318 2024-05-06
50 % 6.82 3805 2024-05-14
30 % 6.92 4011 2024-05-21
10 % 7.36 5097 2024-06-02
05 % 7.50 5499 2024-06-14

Peakflow exceedence plot for TRYM8

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