Peakflow Forecasts Header

NF NOOKSACK--NEAR GLACIER
   State:  Washington    County:  WHATCOM
   Latitude:  48 54' 18" North    Longitude:  121 50' 36" West
   Elevation:  1245 feet
   Supporting WFO:  Seattle    

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.

NF NOOKSACK--NEAR GLACIER   (NFNW1)
Forecasts for Water Year
2025
Ensemble Date: 2025-05-12
Forecast Period: May 12 to September 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.01 1659 2025-05-26
90 % 4.12 1748 2025-05-30
70 % 4.41 2012 2025-06-05
50 % 4.78 2356 2025-06-13
30 % 5.03 2607 2025-07-03
10 % 5.82 3455 2025-08-17
05 % 6.04 3700 2025-08-28

Peakflow exceedence plot for NFNW1

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