Western US SWE Reports

Western US snow water equivalent maps

This research product provides near-real-time estimates of snow-water equivalent (SWE) for the western United States at a spatial resolution of 500 m.

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:
Sierra Nevada SWE reports 2019-present (California)


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


2025

All Files for 2025 ()
Includes: Report, Tables All Domains, JPG maps
Feb 01 ()
Feb 16 ()
Mar 01 (Ìý|ÌýÌý|Ìý)
Mar 15, Mar 31, Apr 06, Apr 13, Apr 20, Apr 27, May 03, May 11, May 17, & May 26

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