ARM

Tag: TRACER

  • Characterized and Calibrated Radar Data Now Available for TRACER Campaign

    This map indicates the Houston-area radar locations during TRACER, including those of the second-generation C-Band Scanning ARM Precipitation Radar (CSAPR2), Ka- and X-band scanning ARM cloud radars (SACR), and Ka-Band ARM Zenith Radar (KAZR). ARM’s radar team cross-compared data from the ARM and NOAA NEXRAD Houston/Galveston (KHGX) radars to help determine reflectivity offsets. Map was…

  • New Aerosol Optical Depth Data Available for TRACER Campaign

    The colors represent aerosol optical depths measured at wavelengths of 415, 500, 615, 673, 870, and 1625 nanometers (nm) with the multifilter rotating shadowband radiometer on May 12, 2022, in La Porte, Texas, during the TRACER campaign. The time of day is in Coordinated Universal Time (UTC). Data plot is by Evgueni Kassianov, Pacific Northwest…

  • 3-Dimensional Cloud Positions Produced for TRACER Campaign

    This figure presents Point Cloud of Cloud Points (PCCP) value-added data from July 25, 2022, during the TRACER field campaign. The upper panel displays the distribution of the reconstructed cloud points by time and height, and the colors represent the count of the detected points in the corresponding bin. The bottom panel is a picture…

  • Tethered Balloon System Merged Data Now In Production

    During the SAIL campaign, a tethered balloon system collects data at the East River Pumphouse site south of Gothic, Colorado, on June 14, 2023. Photo is by Nathan Bilow. The Tethered Balloon System Merged value-added product (TBSMERGED VAP) and the in-cloud version of the merged product (TBSMERGEDINCLOUD) have moved from evaluation to production. Both VAPs…

  • Cloud Type Classification Product Released for MOSAiC, TRACER, and SAIL Campaigns

    Time-height displays show reflectivity (top) and cloud types (bottom) on June 26, 2022, during the SAIL campaign. Plots are created by the Cloud Type Classification (CLDTYPE) value-added product quicklook code. The Cloud Type Classification value-added product (CLDTYPE VAP) is now available for the following three field campaigns: the 2019–2020 Multidisciplinary Drifting Observatory for the Study…

  • New AERI Noise Filtered Data Produced for 3 ARM Campaigns

    This quicklook image shows the time series of the radiance in window channels for Channel 1 (900 cm-1) and Channel 2 (2600 cm-1) on August 22, 2022, during the SAIL campaign. The Atmospheric Emitted Radiance Interferometer Noise Filtered value-added product (AERINF VAP) is now in production for the following field campaigns conducted by the Atmospheric…

  • New Cloud Microphysics VAP Evaluation Data Released for TRACER Campaign

    Sample plots show the primary fields from MICROBASEKAPLUS (liquid water content, liquid effective radius, ice water content, and ice effective radius) for October 14, 2021, at the TRACER ARM Mobile Facility site in La Porte, Texas. The Atmospheric Radiation Measurement (ARM) user facility’s Improved MICROBASE Product with Uncertainties (MICROBASEKAPLUS) is now available for the 2021–2022…

  • Micropulse Lidar Cloud Mask Machine Learning VAP Released for 2 ARM Campaigns

    This sample quicklook plot from the TRACER ARM Mobile Facility site shows the log of the normalized relative backscatter (log10 NRB), linear depolarization ratio (LDR), and cloud mask from the MPLCMASKML value-added product for September 6, 2022. In addition, the plot contains the machine learning model’s confidence in its prediction, as well as cloud base…

  • Black Carbon Data Product Available for Use

    Sample plots show black carbon mass concentrations and size distributions from February 16, 2020, at ARM’s North Slope of Alaska (NSA) atmospheric observatory. On this day, smoke from biomass burning approached the NSA. The Atmospheric Radiation Measurement (ARM) user facility developed a data product for scientists to measure the black carbon (BC) mass loadings in…

  • ARM Expands Collection of Merged Aerosol Size Distribution Data

    The plots show a selection of hand-labeled quality assessments (good, indeterminate, and bad) for MERGEDSMPSAPS aerosol size distributions from ARM data. These distributions and labels were used to train the MERGEDSMPSAPSML value-added product. The Atmospheric Radiation Measurement (ARM) user facility currently operates at least four instruments that measure a portion of the ambient aerosol size…