Extended Streamflow Guidance Issued by NWS
000
FGUS65 KSTR 071719
ESGWY
COLORADO BASIN RIVER FORECAST CENTER
NATIONAL WEATHER SERVICE SALT LAKE CITY UTAH
SPRING FLOOD POTENTIAL
FOR THE GREEN AND BEAR RIVER BASINS IN WYOMING
May 7, 2021
The 2021 spring runoff flood potential due to snowmelt is not high at this
time in the Upper Green River and Bear River Basins of southwest Wyoming.
Currently, there are not any sites that are forecast to have mean daily peak flows
at or above the listed threshold at the given exceedance level.
PRECIPITATION(% OF AVERAGE) AND SNOWPACK (% OF MEDIAN):
SUBBASIN APR OCT-APR MAY 1
PRECIP PRECIP SNOW
---------------------- ------ ------- -----
GREEN ABV FLAMING GORGE 75 85 70
BEAR RIVER HEADWATERS 60 70 60
It is important to keep in mind that an extended period of much above normal
temperatures or heavy rainfall during the melt period can cause or exacerbate
flooding problems in any year.
A list of specific spring peak flow forecasts is available at:
http://www.cbrfc.noaa.gov/rmap/peak/peaklist.php
A map of the current spring peak flow forecasts is available at:
http://www.cbrfc.noaa.gov/lmap/lmap.php?interface=peak
CBRFC/Nielson/Bernard