Peakflow Forecasts Header

SILETZ--AT SILETZ
   State:  Oregon    County:  LINCOLN
   Latitude:  44 42' 54" North    Longitude:  123 53' 15" West
   Elevation:  102 feet
   Supporting WFO:  Portland    
   Action Stage:  12'   Flood Stage:  16'   Moderate Flood Stage:  20'
   Major Flood Stage:  
25'

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.

SILETZ--AT SILETZ   (SILO3)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-14
Forecast Period: July 14 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.28 80 2025-07-15
90 % 2.57 140 2025-10-02
70 % 3.75 680 2025-10-16
50 % 4.86 1460 2025-10-25
30 % 5.73 2236 2025-10-29
10 % 10.20 8037 2025-11-01
05 % 12.61 12108 2025-11-01

Peakflow exceedence plot for SILO3

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