Severe Thunderstorms and Heavy Rain in the Southern Plains; Fire Weather Threat in the Southwest U.S.

Thunderstorms, some severe, may produce heavy to excessive rainfall and isolated flooding over portions of the Southern Plains today and Saturday. Dry conditions, combined with gusty winds and low relative humidities will continue to support an elevated to critical fire weather threat in the Desert Southwest into to early next week. 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 and Heavy Rain in the Southern Plains; Fire Weather Threat in the Southwest U.S.

Service Change Notice for the Green and Colorado Rivers in UT