Western US SWE Reports

Maps of snow water equivalent for the western US expressed as inches and percentages of normal

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

Feb 01 (Ìý´¥ÌýÌý)
Feb 16 (Ìý´¥ÌýÌý)
Mar 01 (Ìý´¥ÌýÌý´¥Ìý)
Mar 15 (Ìý´¥ÌýÌý´¥Ìý)
Mar 31 (Ìý´¥ÌýÌý´¥Ìý)

Ìý