Peakflow Forecasts Header

PUDDING--AT AURORA
   State:  Oregon    County:  MARION
   Latitude:  45 14' 0" North    Longitude:  122 45' 1" West
   Elevation:  72 feet
   Supporting WFO:  Portland    
   Action Stage:  21'   Flood Stage:  22'   Moderate Flood Stage:  26'
   Major Flood Stage:  
29'

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.

PUDDING--AT AURORA   (AURO3)
Forecasts for Water Year
2026
Ensemble Date: 2026-06-05
Forecast Period: June 5 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.59 282 2026-06-11
90 % 6.59 282 2026-06-11
70 % 6.59 282 2026-06-11
50 % 6.81 319 2026-06-23
30 % 7.48 447 2026-09-19
10 % 8.53 678 2026-09-29
05 % 9.04 806 2026-10-01

Peakflow exceedence plot for AURO3

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