Peakflow Forecasts Header

ILLINOIS--AT KERBY
   State:  Oregon    County:  JOSEPHINE
   Latitude:  42 13' 55" North    Longitude:  123 39' 51" West
   Elevation:  1210 feet
   Supporting WFO:  Medford    
   Action Stage:  10'   Flood Stage:  35'   Moderate Flood Stage:  37'
   Major Flood Stage:  40'

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.

ILLINOIS--AT KERBY   (KRBO3)
Forecasts for Water Year 2026
Ensemble Date: 2026-07-15
 Forecast Period: July 15 to November 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 0.69 34 2026-07-15
90 % 0.74 38 2026-08-05
70 % 1.17 80 2026-10-10
50 % 2.09 220 2026-10-25
30 % 6.20 1625 2026-10-29
10 % 8.45 2918 2026-10-31
05 % 10.24 4222 2026-11-01

Peakflow exceedence plot for KRBO3

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