Peakflow Forecasts Header

YAKIMA--NEAR PARKER
   State:  Washington    County:  YAKIMA
   Latitude:  46 29' 48" North    Longitude:  120 26' 29" West
   Elevation:  889 feet
   Supporting WFO:  Pendleton    
   Action Stage:  9.4'   Flood Stage:  10'   Moderate Flood Stage:  12'
   Major Flood Stage:  
14'

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.

YAKIMA--NEAR PARKER   (PARW1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-07
Forecast Period: December 7 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.29 3094 2021-12-14
90 % 4.85 4002 2021-12-28
70 % 5.85 5935 2022-01-20
50 % 7.32 9620 2022-02-08
30 % 8.59 13608 2022-03-03
10 % 10.47 20961 2022-03-26
05 % 12.12 28854 2022-03-30

Peakflow exceedence plot for PARW1

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