ARM

Tag: VAP

  • Microwave Radiometer Retrievals VAP Available for New Set of ARM Campaigns

    This Microwave Radiometer Retrievals (MWRRET) quicklook image provides information from the Cloud, Aerosol, and Complex Terrain Interactions (CACTI) field campaign on April 27, 2019. The image shows (a) observed brightness temperatures at 23.8 GHz (blue) and 31.4 GHz (red); (b) retrieved precipitable water vapor from the physical method (blue) and statistical method (green); and (c)…

  • Radiation Data Quality VAP Now Available for CACTI Field Campaign

    Preparing for the 2018–2019 Cloud, Aerosol, and Complex Terrain Interactions (CACTI) field campaign in Argentina, a technician works on ARM sky radiometers on stand for downwelling radiation. These instruments are a key contributor to the Data Quality Assessment for ARM Radiation Data (QCRAD) value-added product. The Atmospheric Radiation Measurement (ARM) user facility’s longtime recommended datastream…

  • Updated Micropulse Lidar Cloud Mask VAP in Production

    Sample Micropulse Lidar Cloud Mask (MPLCMASK) plots from the Multidisciplinary Drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition show the log10 (backscatter), linear depolarization ratio (LDR), and cloud mask for October 7, 2019. Production data for Atmospheric Radiation Measurement (ARM) user facility sites operating fast-switching polarized micropulse lidars are now available from an…

  • New Lifting Condensation Level Height VAP Available

    The plot shows lifting condensation levels (LCLs) on March 6, 2019, for seven ARM Southern Great Plains (SGP) facilities and six Oklahoma Mesonet stations, all within 60 kilometers of the SGP Central Facility (sgpC1). The map identifies each location according to the color in the legend and time series. Plotted LCL heights of the individual…

  • New VAP Maps Scanning ARM Precipitation Radar Data to Cartesian Grid

    Hydrometeor classification for October 4, 2017, at the ARM Southern Great Plains I5 site is mapped to a Cartesian grid using the nearest neighbor interpolation method. The plot shows identifiers of ground clutter, rain, snow, multi-trip echoes (an artifact arising from the nature of the radar measurement), and melting. On the right are two subplots…

  • Cloud Microphysics VAP Evaluation Data Available for MC3E Field Campaign

    Cloud microphysical properties affect cloud radiative heating, precipitation formation, and aerosol-cloud interactions, among other important atmospheric processes. A value-added product (VAP) that calculates cloud microphysical properties now provides evaluation data for the 2011 Midlatitude Continental Convective Clouds Experiment (MC3E) in Oklahoma. The Improved MICROBASE Product with Uncertainties (MICROBASEKAPLUS) provides continuous, high time resolution profiles of…