Peakflow Forecasts Header

TRASK--TILLAMOOK
   State:  Oregon    County:  TILLAMOOK
   Latitude:  45 26' 23" North    Longitude:  123 43' 5" West
   Elevation:  50 feet
   Supporting WFO:  Portland    
   Action Stage:  15'   Flood Stage:  16.5'
   Major Flood Stage:  
22'

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.

TRASK--TILLAMOOK   (TRAO3)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-17
Forecast Period: April 17 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 6.88 403 2024-04-17
90 % 6.88 403 2024-04-17
70 % 7.47 704 2024-05-04
50 % 7.82 914 2024-05-10
30 % 8.48 1378 2024-06-04
10 % 9.49 2244 2024-06-14
05 % 10.03 2787 2024-06-27

Peakflow exceedence plot for TRAO3

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