Peakflow Forecasts Header

NOOKSACK--AT CEDARVILLE
   State:  Washington    County:  WHATCOM
   Latitude:  48 50' 31" North    Longitude:  122 17' 37" West
   Elevation:  0 feet
   Supporting WFO:  Seattle    
   Action Stage:  144.8'   Flood Stage:  146.5'   Moderate Flood Stage:  148'
   Major Flood Stage:  
150'

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.

NOOKSACK--AT CEDARVILLE   (NRKW1)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-11
Forecast Period: July 11 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 138.92 2234 2025-08-22
90 % 139.53 3458 2025-09-01
70 % 140.80 6636 2025-10-10
50 % 141.76 9562 2025-10-21
30 % 143.14 14660 2025-10-27
10 % 144.14 19001 2025-10-31
05 % 144.86 22721 2025-11-01

Peakflow exceedence plot for NRKW1

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