Peakflow Forecasts Header

SKOOKUMCHUCK--NEAR BUCODA
   State:  Washington    County:  THURSTON
   Latitude:  46 46' 19" North    Longitude:  122 55' 25" West
   Elevation:  195 feet
   Supporting WFO:  Seattle    
   Action Stage:  209.5'   Flood Stage:  211.5'   Moderate Flood Stage:  213'
   Major Flood Stage:  215'

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.

SKOOKUMCHUCK--NEAR BUCODA   (BCDW1)
Forecasts for Water Year 2025
Ensemble Date: 2025-07-12
 Forecast Period: July 12 to November 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 203.13 50 2025-07-15
90 % 203.13 50 2025-07-15
70 % 203.17 56 2025-09-30
50 % 203.39 85 2025-10-21
30 % 203.61 124 2025-10-28
10 % 204.56 349 2025-11-01
05 % 204.96 466 2025-11-01

Peakflow exceedence plot for BCDW1

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