Peakflow Forecasts Header

SKAGIT--NEAR MT VERNON
   State:  Washington    County:  SKAGIT
   Latitude:  48 27' 0" North    Longitude:  122 20' 0" West
   Elevation:  0 feet
   Supporting WFO:  Seattle    
   Action Stage:  23.5'   Flood Stage:  28'   Moderate Flood Stage:  30'
   Major Flood Stage:  
32'

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.

SKAGIT--NEAR MT VERNON   (MVEW1)
Forecasts for Water Year
2025
Ensemble Date: 2025-05-15
Forecast Period: May 15 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 15.72 18491 2025-06-01
90 % 16.16 19654 2025-06-02
70 % 17.45 23374 2025-06-07
50 % 18.87 27908 2025-06-12
30 % 20.09 32101 2025-06-30
10 % 26.47 58200 2025-07-22
05 % 29.53 73061 2025-08-25

Peakflow exceedence plot for MVEW1

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