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M2HATS ISS Surface Meteorology, Ceilometer, PurpleAir and Webcam Data Products


Surface Meteorology, Vaisala CL61 Ceilometer, PurpleAir aerosol data products and webcam imagary collected during the Multi-point Monin-Obukhov similarity horizontal array turbulence study (M2HATS). Surface meteorology sensors were mounted on a 3m and 10m tower. Three webcams were employed and mounted on the 10m tower, the Windcube lidar, and the ISFS tower. Refer for the data report downloadable from this landing page for the details. Surface met. and CL61 data files are in netCDF format. PurpleAir dataset is provided in CSV format. Webcam images are jpegs.

The following datasets are available for download:

Surface meteorology

  • m2hats_iss1_sfcmet_10m-tower_netcdf_v1.tar.gz
  • m2hats_iss2_sfcmet_3m-tower_netcdf_v1.tar.gz

Ceilometer Vaisala CL61

  • m2hats_iss1_ceilometer_cl61_jpg_v1.tar.gz
  • m2hats_iss1_ceilometer_cl61_netcdf_v1.tar.gz
  • PurpleAirm2hats_iss1_purpleair_10m-tower_v1.tar.gz

Webcam Imagery:

  • m2hats_iss2_windcube-lidar_microseven_camera_1min_Jul2023.tar.gz
  • m2hats_iss2_windcube-lidar_microseven_camera_1min_Aug2023.tar.gz
  • m2hats_iss2_windcube-lidar_microseven_camera_1min_Sep2023.tar.gz
  • m2hats_iss1_10m-tower_microseven_camera_1min_Jul2023.tar.gz
  • m2hats_iss1_10m-tower_microseven_camera_1min_Aug2023.tar.gz
  • m2hats_iss1_10m-tower_microseven_camera_1min_Sep2023.tar.gz
  • m2hats_iss1_isfs-4m-tower_microseven_camera_1min_Jul2023.tar.gz
  • m2hats_iss1_isfs-4m-tower_microseven_camera_1min_Aug2023.tar.gz
  • m2hats_iss1_isfs-4m-tower_microseven_camera_1min_Sep2023.tar.gz


Data access

  • ORDER data for delivery by FTP
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Additional information

Data Quality final
  • 1.0 (2024-02-20)
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Related projects
Frequency other
Language English
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Related links

Temporal coverage

Begin datetime 2023-07-17 00:00:00
End datetime 2023-09-25 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 38.06722, Minimum (South) Latitude: 38.06722
Minimum (West) Longitude: -117.23, Maximum (East) Longitude: -117.23

Primary point of contact information

EOL Data Support <>

Additional contact information


NSF NCAR/EOL ISS Team. 2024. M2HATS ISS Surface Meteorology, Ceilometer, PurpleAir and Webcam Data Products. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 24 Apr 2024.

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Ancillary information

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