Sierra Nevada SWE reports

Maps of snow water equivalent for the Sierra Nevada expressed as inches and percentages of normal

This research product provides near-real-time estimates of snow-water equivalent (SWE) for areas of California at a spatial resolution of 500 m.Ìý

We create reports for specific regions approximately every two weeks from mid-winter throughÌýthe end of theÌýmelt season. The reports are released within a week of satellite image data acquisition and are distributed to water managers and forecasters.Ìý For more information on reporting or to discuss reporting for your area please contactÌýLeanne.Lestak@colorado.edu.

See also:
Western US SWE reports 2025- (Whole region)

Intermountain West SWE reports 2019-2023 (Colorado, Utah, Wyoming)

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­ÌýÌýWe are in the process of finalizing the B-120 update numbers, and are looking at your numbers. Thanks for your efforts to get your product out just in time!
- California Department of Water Resources

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2025

Feb 01 (Ìý|ÌýÌý|ÌýÌý|Ìý)
Feb 16 (Ìý|ÌýÌý|ÌýÌý|Ìý)
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Mar 15 (Ìý|ÌýÌý|ÌýÌý|Ìý)
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2024

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2023

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2022

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2021

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2020

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2019

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