Flood Watch
2025-12-26T16:00:00-08:00

A series of warm atmospheric rivers will bring moderate to heavy rain to the Valley, foothills, and mountains the week of Christmas. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, northern San Joaquin Valley, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northern California, including the following areas, the Sacramento Valley, northern San Joaquin Valley, Delta region, Sierra Nevada and adjacent foothills, and Coastal Range. * WHEN...From Saturday afternoon through next Friday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - Periods of moderate to heavy rain are forecast the week of Christmas. Debris flows are not expected over recent burn scars, but do anticipate enhanced runoff in/below scars. - http://www.weather.gov/safety/flood

Coloma To Greenwood - (C To G) Paddle Report

Paddle Report

California

Last Updated: 2023-06-13

The Coloma to Greenwood C to G river run in California is a class III-IV river run that is best navigated in the spring or early summer months when water levels are highest.

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Summary

This section of the river is known for its technical rapids, including "Troublemaker" and "Satan's Cesspool." Other obstacles include numerous rocks, drops, and narrow channels. The recommended flow for this section of the river is between 800 and 1,200 cubic feet per second (cfs). This run is not recommended for beginners, and a guide is highly recommended for those who are not experienced on this type of river.

River Run Details

Last Updated	2023-06-13
River Levels	1390 cfs (1.86 ft)
Percent of Normal	200%
Optimal Range	500-15000 cfs
Status	Too Low
Class Level	II to III-
Elevation	717 ft
Run Length	5.0 Mi
Gradient	17 FPM
Streamflow Discharge	338 cfs
Gauge Height	0.9 ft
Reporting Streamgage	USGS 11427000

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Flood Watch
Until 2025-12-20T16:00:00-08:00 • National Weather Service
A series of warm atmospheric rivers will bring moderate to heavy rain to the Valley, foothills, and mountains the week of Christmas. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, northern San Joaquin Valley, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northern California, including the following areas, the Sacramento Valley, northern San Joaquin Valley, Delta region, Sierra Nevada and adjacent foothills, and Coastal Range. * WHEN...From Saturday afternoon through next Friday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - Periods of moderate to heavy rain are forecast the week of Christmas. Debris flows are not expected over recent burn scars, but do anticipate enhanced runoff in/below scars. - http://www.weather.gov/safety/flood