Peakflow Forecasts Header

PUYALLUP--NEAR ORTING
   State:  Washington    County:  PIERCE
   Latitude:  47 2' 22" North    Longitude:  122 12' 24" West
   Elevation:  353 feet
   Supporting WFO:  Seattle    
   Action Stage:  8.78'   Flood Stage:  9.77'   Moderate Flood Stage:  10.62'
   Major Flood Stage:  
11.15'

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.

PUYALLUP--NEAR ORTING   (ORTW1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-08
Forecast Period: December 8 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 7.09 2543 2021-12-12
90 % 7.09 2543 2021-12-12
70 % 7.22 2818 2022-01-03
50 % 7.99 4616 2022-01-15
30 % 9.58 9301 2022-02-07
10 % 10.70 13848 2022-03-08
05 % 11.03 15429 2022-03-16

Peakflow exceedence plot for ORTW1

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