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: 2025-07-09
 Forecast Period: July 9 to November 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 13.39 12972 2025-07-19
90 % 13.77 13874 2025-07-25
70 % 15.67 18478 2025-10-05
50 % 17.68 24092 2025-10-18
30 % 21.98 39110 2025-10-27
10 % 29.56 73248 2025-10-31
05 % 35.81 117021 2025-11-01

Peakflow exceedence plot for MVEW1

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