Peakflow Forecasts Header

SAMISH--NEAR BURLINGTON
   State:  Washington    County:  SKAGIT
   Latitude:  48 32' 46" North    Longitude:  122 20' 12" West
   Elevation:  0 feet
   Supporting WFO:  Seattle    
   Action Stage:  9.79'   Flood Stage:  10.58'   Moderate Flood Stage:  12.78'
   Major Flood Stage:  
14.2'

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.

SAMISH--NEAR BURLINGTON   (SMRW1)
Forecasts for Water Year
2022
Ensemble Date: 2021-12-08
Forecast Period: December 8 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 8.38 1075 2021-12-12
90 % 8.38 1075 2021-12-12
70 % 9.15 1452 2022-01-07
50 % 10.61 2407 2022-01-19
30 % 12.20 3722 2022-02-03
10 % 15.18 6857 2022-02-21
05 % 17.22 9418 2022-02-24

Peakflow exceedence plot for SMRW1

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