2025 Snowpack Lidar Measurements and Data Products

Map of proposed 2025 activities:

The following basins will be surveyed (number of flights pending):

  • Blue River and Portion of the Upper South Platte

  • Conejos

  • Dolores at Dolores

  • East and Taylor

  • Front Range - Saint Vrain

  • North Fork Gunnison

  • San Juan Headwaters

  • Upper Colorado at Windy Gap

  • Upper Rio Grande

  • Upper Roaring Fork

  • Yampa/Elk

Data Products

ASO Snow Survey Data and associated data products will be posted here as they are released. Data is also available through the ASO Inc Data Portal here: https://data.airbornesnowobservatories.com/ (Free Login Required)

Data Products Include:

  • Snow Survey Data Reports (ASO Inc.)

  • Snowpack Model Data (M3Works)

  • WRF-Hydro Streamflow Forecasts (ASO Inc.)

All available snow survey and streamflow forecast reports are linked in the table below (All data back to 2021, sorted newest to oldest):

What is CASM? What is ASO? Read the FAQ here

The CASM Program plan and FAQ were completed in 2022 and are available for download under Documents > CASM Documents.

All data for 2022-2025 snow surveys and modeling outputs are available under Project Updates.

Since 2020, the Colorado Airborne Snowpack Monitoring Program (CASM), has worked closely with agencies across the state to develop a plan to fund Airborne Snow Observatory flights across Colorado, now and in the future.