CA WFO RENO Warnings, Watches, and Advisories

WFO RENO Warnings, Watches and Advisories for Sunday, January 1, 2023

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AREAL FLOOD WATCH

URGENT - IMMEDIATE BROADCAST REQUESTED

Flood Watch

National Weather Service Reno NV

929 AM PST Wed Dec 28 2022

.Another warm atmospheric river is expected to push into the Sierra

and western Nevada beginning on Friday. High snow levels and

prolonged heavy rainfall will allow for significant rises on both

mainstem and smaller rivers/streams. This may result in minor to

moderate flooding on some area rivers and streams. Rock falls will

be possible, especially in steep terrain and where soils are already

saturated. Some urban flooding is likely, particularly in low-lying

areas or poor drainage.

...FLOOD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH SATURDAY

EVENING...

* WHAT...River and urban flooding caused by excessive rainfall is

possible.

* WHERE...Portions of California and Nevada, including the following

areas, in California, Greater Lake Tahoe Area, Lassen-Eastern

Plumas-Eastern Sierra Counties, Mono County and Surprise Valley

California. In Nevada, Greater Lake Tahoe Area, Greater

Reno-Carson City-Minden Area and Northern Washoe County.

* WHEN...From Friday morning through Saturday evening.

* IMPACTS...Excessive runoff may result in flooding of mainstem

rivers, creeks, streams, and other low-lying and flood-prone

locations. Creeks and streams may rise out of their banks.

Flooding is possible in urban areas and locations with poor

drainage. Low water crossings may be flooded.

Mainstem river flooding is most likely to occur on the East Fork of

the Carson near Gardnerville and the Susan River at Susanville.

Other streams...