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
2024
Ensemble Date: 2024-04-25
Forecast Period: April 25 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.83 3968 2024-04-28
90 % 4.83 3968 2024-04-28
70 % 4.83 3968 2024-04-28
50 % 5.51 5239 2024-05-14
30 % 5.87 5985 2024-05-20
10 % 6.57 7589 2024-06-09
05 % 7.12 9061 2024-06-20

Peakflow exceedence plot for PARW1

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