Peakflow Forecasts Header

BUMPING--BUMPING LAKE DAM
   State:  Washington    County:  YAKIMA
   Latitude:  46 52' 0" North    Longitude:  121 18' 0" West
   Elevation:  3441 feet
   Supporting WFO:  Pendleton    
   Inflow Data  

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.

BUMPING--BUMPING LAKE DAM   (BUDW1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-14
Forecast Period: July 14 to November 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 71 2025-07-14
90 % 71 2025-07-14
70 % 134 2025-09-10
50 % 226 2025-10-21
30 % 440 2025-10-29
10 % 915 2025-10-31
05 % 1480 2025-11-01

Peakflow exceedence plot for BUDW1

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