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: 2024-03-27
Forecast Period: March 27 to July 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.32 2981 2024-04-15
90 % 6.43 3145 2024-04-17
70 % 6.79 3757 2024-04-24
50 % 6.97 4126 2024-04-29
30 % 7.15 4546 2024-05-07
10 % 7.57 5691 2024-06-07
05 % 7.66 5949 2024-06-15

Peakflow exceedence plot for TRYM8

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