Peakflow Forecasts Header

NESTUCCA--NEAR BEAVER
   State:  Oregon    County:  TILLAMOOK
   Latitude:  45 15' 58" North    Longitude:  123 50' 49" West
   Elevation:  43 feet
   Supporting WFO:  Portland    
   Action Stage:  16'   Flood Stage:  18'   Moderate Flood Stage:  20'
   Major Flood Stage:  21'

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.

NESTUCCA--NEAR BEAVER   (BEAO3)
Forecasts for Water Year 2027
Ensemble Date: 2026-10-05
 Forecast Period: October 5 to February 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 8.14 3268 2026-11-06
90 % 8.28 3462 2026-11-16
70 % 9.69 5600 2026-11-29
50 % 10.77 7338 2026-12-20
30 % 13.43 11602 2027-01-08
10 % 18.73 21474 2027-01-26
05 % 23.00 31629 2027-01-30

Peakflow exceedence plot for BEAO3

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