Peakflow Forecasts Header

ENTIAT--NEAR ARDENVOIR
   State:  Washington    County:  CHELAN
   Latitude:  47 49' 6" North    Longitude:  120 25' 18" West
   Elevation:  1561 feet
   Supporting WFO:  Spokane    
   Action Stage:  6'   Flood Stage:  7.5'   Moderate Flood Stage:  8'
   Major Flood Stage:  
9'

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.

ENTIAT--NEAR ARDENVOIR   (ARDW1)
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 % 2.85 493 2021-12-07
90 % 2.85 493 2021-12-07
70 % 2.85 493 2021-12-07
50 % 3.03 571 2022-01-18
30 % 3.30 701 2022-03-11
10 % 3.68 922 2022-03-27
05 % 3.79 990 2022-03-31

Peakflow exceedence plot for ARDW1

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