Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.

Scattered severe thunderstorms may bring large hail and isolated damaging winds this weekend over parts of the south central U.S. Smoke from Canadian wildfires will bring air quality issues to parts of the north central U.S. this weekend. Air Quality Alerts have been issued. Read More >

Hydrologic Service Changes for Green River and Colorado River in Utah

provided by

NWS Weather Forecast Offices Grand Junction, CO and Salt Lake City, UT

Weather Forecast Office (WFO) Grand Junction, CO, (GJT) and Weather Forecast Office (WFO) Salt Lake City, UT, (SLC) are in the process of modifying hydrologic services responsibility for the Green River and Colorado River in Utah. The changes will enable more efficient hydrologic services and facilitate more accurate and consistent provision of water information for core partners, as well as the general public.

Please reference the service change description below, and the attached maps highlighting the proposed hydrologic responsibilities.

Hydrologic service changes for the Green River

GJT will provide hydrologic services for the Green River upstream of the intersection of the Green River and Carbon County line.
SLC will provide hydrologic services for the Green River from where the Green River intersects the Carbon County line downstream to the confluence of the Green River and Colorado River.

Hydrologic service changes for the Colorado River

GJT will provide hydrologic services for the Colorado River upstream from the confluence of the Green River and Colorado River.
SLC will provide hydrologic services for the Colorado River from the confluence of the Green River and Colorado River downstream to Lake Powell.

This is not a Hydrologic Service Area (HSA) boundary change, but rather a change in responsibility for issuing river flood products along the border between WFO GJT and WFO SLC. The HSA shapefile will remain unchanged.

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Severe Thunderstorms Possible in the South Central U.S.; Wildfire Smoke Impacts in the North Central U.S.

Service Change Notice for the Green and Colorado Rivers in UT