Peakflow Forecasts Header

GREYS--AB RES NR ALPINE
   State:  Wyoming    County:  LINCOLN
   Latitude:  43 8' 34" North    Longitude:  110 58' 36" West
   Elevation:  5720 feet
   Supporting WFO:  Riverton    

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.

GREYS--AB RES NR ALPINE   (GREW4)
Forecasts for Water Year
2025
Ensemble Date: 2025-07-05
Forecast Period: July 5 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.18 805 2025-07-05
90 % 2.18 805 2025-07-05
70 % 2.18 805 2025-07-05
50 % 2.18 805 2025-07-05
30 % 2.18 805 2025-07-05
10 % 2.18 805 2025-07-05
05 % 2.22 834 2025-09-04

Peakflow exceedence plot for GREW4

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