Peakflow Forecasts Header

WILSON--NEAR TILLAMOOK
   State:  Oregon    County:  TILLAMOOK
   Latitude:  45 28' 31" North    Longitude:  123 43' 28" West
   Elevation:  42 feet
   Supporting WFO:  Portland    
   Action Stage:  10.5'   Flood Stage:  12'   Moderate Flood Stage:  15.5'
   Major Flood Stage:  
19'

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.

WILSON--NEAR TILLAMOOK   (TLMO3)
Forecasts for Water Year
2025
Ensemble Date: 2025-05-15
Forecast Period: May 15 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 3.78 198 2025-05-18
90 % 3.78 198 2025-05-18
70 % 3.83 219 2025-05-30
50 % 4.48 606 2025-06-07
30 % 4.87 950 2025-06-12
10 % 5.56 1797 2025-06-29
05 % 6.35 3115 2025-07-04

Peakflow exceedence plot for TLMO3

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