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: 2024-04-19
Forecast Period: April 19 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.38 1387 2024-05-07
90 % 4.47 1445 2024-05-09
70 % 4.84 1693 2024-05-16
50 % 5.21 1965 2024-05-25
30 % 5.43 2144 2024-06-02
10 % 5.72 2394 2024-06-10
05 % 5.83 2492 2024-06-19

Peakflow exceedence plot for ARDW1

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