Peakflow Forecasts Header

LITTLE N SANTIAM--NEAR MEHAMA
   State:  Oregon    County:  MARION
   Latitude:  44 47' 30" North    Longitude:  122 34' 40" West
   Elevation:  655 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.

LITTLE N SANTIAM--NEAR MEHAMA   (LSMO3)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-17
Forecast Period: April 17 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.48 739 2024-04-29
90 % 4.55 789 2024-05-01
70 % 5.14 1300 2024-05-07
50 % 5.79 1993 2024-05-19
30 % 6.30 2713 2024-06-02
10 % 7.97 5729 2024-06-10
05 % 8.31 6448 2024-06-16

Peakflow exceedence plot for LSMO3

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