Frost Advisory
2025-12-29T09:00:00-08:00

* WHAT...Temperatures as low as 33 to 36 degrees will result in frost formation. * WHERE...Elevations below 2000 feet in the Central Sacramento Valley and Motherlode. * WHEN...Until 9 AM PST Monday. * IMPACTS...Low visibility could make driving conditions hazardous. Frost could harm sensitive outdoor vegetation, especially if left uncovered. * ADDITIONAL DETAILS...Frost formation may be inhibited by northerly flow along and west of Interstate 5, or in areas where fog forms early on in the night.


Greenwood To Mammoth Bar Paddle Report

Last Updated: 2023-06-13

The Greenwood to Mammoth Bar river run in California is a Class II-III run that spans approximately 9 miles.


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Summary

The river features several obstacles including a few Class III rapids, small drops, and rocky sections. The best time of year to float this section of water is from April to June when the water flow ranges from 800-1200 cfs. This section is not recommended for beginners and requires intermediate to advanced paddling skills.

River Run Details

Last Updated 2023-06-13
River Levels 1390 cfs (1.86 ft)
Percent of Normal 200%
Optimal Range 750-3000 cfs
Status Runnable
Class Level II to II+
Elevation 717 ft
Run Length 7.0 Mi
Gradient 12 FPM
Streamflow Discharge 1660 cfs
Gauge Height 2.1 ft
Reporting Streamgage USGS 11427000
       

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