Peakflow Forecasts Header

SKOOKUMCHUCK--AT CENTRALIA
   State:  Washington    County:  LEWIS
   Latitude:  46 43' 49" North    Longitude:  122 57' 14" West
   Elevation:  100 feet
   Supporting WFO:  Seattle    
   Action Stage:  187'   Flood Stage:  189'   Moderate Flood Stage:  190'
   Major Flood Stage:  191'

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--AT CENTRALIA   (CTAW1)
Forecasts for Water Year 2024
Ensemble Date: 2024-04-18
 Forecast Period: April 18 to August 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 177.77 335 2024-04-18
90 % 177.77 335 2024-04-18
70 % 177.77 335 2024-04-18
50 % 177.86 362 2024-05-09
30 % 178.29 486 2024-05-24
10 % 179.54 885 2024-06-13
05 % 180.28 1137 2024-06-22

Peakflow exceedence plot for CTAW1

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