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
2024
Ensemble Date: 2024-04-25
Forecast Period: April 25 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.34 1357 2024-05-12
90 % 4.46 1438 2024-05-13
70 % 4.89 1732 2024-05-19
50 % 5.18 1943 2024-05-30
30 % 5.36 2086 2024-06-04
10 % 5.73 2398 2024-06-14
05 % 5.84 2502 2024-06-23

Peakflow exceedence plot for ARDW1

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