Peakflow Forecasts Header

METHOW--NEAR PATEROS
   State:  Washington    County:  OKANOGAN
   Latitude:  48 4' 23" North    Longitude:  119 59' 27" West
   Elevation:  900 feet
   Supporting WFO:  Spokane    
   Action Stage:  9'   Flood Stage:  10'   Moderate Flood Stage:  11'
   Major Flood Stage:  
12'

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.

METHOW--NEAR PATEROS   (PATW1)
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 % 3.70 1988 2021-12-08
90 % 3.70 1988 2021-12-08
70 % 3.70 1988 2021-12-08
50 % 3.70 1988 2021-12-08
30 % 3.89 2242 2022-03-22
10 % 4.45 3032 2022-04-01
05 % 4.99 3898 2022-04-01

Peakflow exceedence plot for PATW1

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