Peakflow Forecasts Header

SF COQUILLE--AT POWERS
   State:  Oregon    County:  COOS
   Latitude:  42 53' 30" North    Longitude:  124 4' 9" West
   Elevation:  220 feet
   Supporting WFO:  Medford    
   Action 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.

SF COQUILLE--AT POWERS   (POWO3)
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 % 5.37 2925 2021-12-19
90 % 5.95 3629 2021-12-21
70 % 9.18 8733 2021-12-31
50 % 9.81 9999 2022-01-14
30 % 10.97 12292 2022-02-05
10 % 13.60 17969 2022-03-19
05 % 14.10 19077 2022-03-28

Peakflow exceedence plot for POWO3

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