Peakflow Forecasts Header

BIG WOOD--MAGIC DAM
   State:  Idaho    County:  BLAINE
   Latitude:  43 15' 4" North    Longitude:  114 22' 15" West
   Elevation:  4665 feet
   Supporting WFO:  Pocatello    
   Inflow Data  

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.

BIG WOOD--MAGIC DAM   (MAGI1)
Forecasts for Water Year
2026
Ensemble Date: 2025-11-16
Forecast Period: November 16 to March 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 103 2025-11-18
90 % 108 2025-12-08
70 % 169 2026-01-17
50 % 220 2026-02-17
30 % 334 2026-02-22
10 % 1472 2026-03-01
05 % 2506 2026-03-01

Peakflow exceedence plot for MAGI1

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