ARM

Tag: TRACER

  • New Precipitation Product Released for TRACER Campaign

    This laser disdrometer operated in Guy, Texas, during the TRacking Aerosol Convection interactions ExpeRiment (TRACER). Laser disdrometers measure drop size spectra and fall velocity of hydrometeors. A new precipitation value-added product (VAP) is now available for the 2021–2022 TRacking Aerosol Convection interactions ExpeRiment (TRACER) near Houston, Texas. The Laser Disdrometer Quantities (LDQUANTS) VAP provides quality-controlled…

  • Updated: New Cloud Radar and Sonde Products Available for TRACER, SAIL Campaigns

    Editor’s note (September 29, 2022): The end dates of the KAZRARSCL data for TRACER and SAIL have been updated below to reflect the availability of new data. The original announcement was published July 22, 2022. INTERPSONDE potential temperature output profiles are shown for October 7, 2021, during the TRacking Aerosol Convection interactions ExpeRiment (TRACER). The…

  • Doppler Lidar Data Products Released for 3 ARM Campaigns

    Time-height displays show Doppler lidar data from April 14, 2020, during the Cold-Air Outbreaks in the Marine Boundary Experiment (COMBLE). The top plot indicates wind speed (color) and wind vector direction (arrows), and the bottom plot provides vertical velocity. The Atmospheric Radiation Measurement (ARM) user facility operates Doppler lidars around the globe to provide measurements…

  • Aerosol Chemical Speciation Monitor VAP Moves to Production

    This sample plot from ARM’s TRacking Aerosol Convection interactions ExpeRiment (TRACER) shows a selection of aerosol mass or volume concentrations and the corresponding mass or volume concentrations corrected for composition-dependent collection efficiency (CDCE). Production data are now available from a value-added product (VAP) that corrects aerosol chemical speciation monitor (ACSM) data for non-unity particle detection.…

  • Chris Cappa: Poised for TRACER

    A researcher will bring new ways of measuring aerosol water uptake to a coming ARM campaign Pre-pandemic, Chris Cappa poses near the Cappa Group laboratory. Photo is courtesy of the University of California, Davis. When the sun radiates waves of electromagnetic energy to Earth, about one-fifth is absorbed by clouds and the atmosphere. That fraction…

  • Value-Added Product Delivers 3D Cloud Positions Based on Stereo Photographs

    The figure presents PCCP VAP data from the Southern Great Plains E45 site (Tonkawa, Oklahoma) on March 24, 2020. The upper panel displays the distribution of the reconstructed cloud points by time and height. The colors represent the count of the detected points in the corresponding bin. The bottom left panel is a picture from…

  • Mike Jensen: Cloud Scientist, Modeler, and Storm Maven 

    A veteran ARM principal investigator is poised to lead a year of collecting novel convection data In March 2020, in the last days of live meetings before COVID-19 shutdowns, Mike Jensen paused during an ARM conference on airborne instrumentation at Pacific Northwest National Laboratory in Washington state. Photo by Andrea Starr, Pacific Northwest National Laboratory.…

  • Submit TRACER Small Campaign Requests Now!

    Starting next year, the Houston, Texas, area will host the TRacking Aerosol Convection interactions ExpeRiment (TRACER). Preparations are well underway for the TRacking Aerosol Convection interactions ExpeRiment (TRACER), including the intensive operational period scheduled for next summer in the Houston, Texas, area. ARM will still consider small field campaign requests for TRACER, but due to…

  • TRACER Talk: Summer Interns Help With Campaign Preparations

    Editor’s note: Michael Jensen, a meteorologist at Brookhaven National Laboratory in New York, is the principal investigator for ARM’s TRacking Aerosol Convection interactions ExpeRiment (TRACER). The TRACER campaign is scheduled to start in April 2021 in the Houston, Texas, area. Dié Wang, an assistant environmental scientist at Brookhaven National Laboratory, is a convective processes researcher…

  • Newly Funded ASR Projects Come with a Big TRACER Focus

    In July 2020, the U.S. Department of Energy (DOE) announced funding of $19 million for 31 projects through DOE’s Atmospheric System Research (ASR). These university-based projects are designed to expand the fundamental understanding of earth systems and improve earth system models. They include a range of atmospheric science topics, including interactions between clouds and aerosols,…