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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 2026
Ensemble Date: 2025-12-06
 Forecast Period: December 6 to April 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 9.01 15103 2025-12-12
90 % 9.01 15103 2025-12-12
70 % 9.01 15103 2025-12-12
50 % 9.01 15103 2025-12-12
30 % 9.48 16890 2026-01-04
10 % 11.46 25531 2026-02-18
05 % 12.33 29946 2026-03-13

Peakflow exceedence plot for PARW1

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