Peakflow Forecasts Header

SANDY--NEAR MARMOT
   State:  Oregon    County:  CLACKAMAS
   Latitude:  45 23' 30" North    Longitude:  122 7' 40" West
   Elevation:  730 feet
   Supporting WFO:  Portland    

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.

SANDY--NEAR MARMOT   (SRMO3)
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 % 693.11 3236 2021-12-13
90 % 693.80 4635 2021-12-26
70 % 694.82 7306 2022-01-08
50 % 695.95 11160 2022-01-18
30 % 696.93 15360 2022-02-08
10 % 697.86 20096 2022-02-28
05 % 698.74 25392 2022-03-15

Peakflow exceedence plot for SRMO3

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