Peakflow Forecasts Header

JOHN DAY--AT SERVICE CK
   State:  Oregon    County:  WHEELER
   Latitude:  44 47' 38" North    Longitude:  120 0' 20" West
   Elevation:  1632 feet
   Supporting WFO:  Pendleton    
   Action Stage:  10'   Flood Stage:  11.5'   Moderate Flood Stage:  12.5'
   Major Flood Stage:  
15'

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.

JOHN DAY--AT SERVICE CK   (SERO3)
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 % 4.13 1444 2022-02-03
90 % 4.81 2106 2022-02-12
70 % 6.50 4310 2022-03-15
50 % 7.64 6278 2022-03-22
30 % 8.32 7659 2022-03-26
10 % 9.68 10739 2022-03-30
05 % 10.49 12599 2022-03-31

Peakflow exceedence plot for SERO3

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