86d964d18ac242a58e13bb8d1c849b48 English 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 bd095d86e4a9f0c706b08058dbad3b31 dataset Centre for Environmental Data Analysis (CEDA) 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk pointOfContact 2026-05-06T02:12:12 UK GEMINI 2.3 WGS 84 NERC Mesosphere-Stratosphere-Troposphere (MST) Radar: stratospheric and tropospheric structure and dynamics observations, version 4.0 2017-08-17T08:34:49 publication 2017-08-17T08:34:49 creation https://catalogue.ceda.ac.uk/uuid/86d964d18ac242a58e13bb8d1c849b48 86d964d18ac242a58e13bb8d1c849b48 Centre for Environmental Data Analysis (CEDA) The Natural Environment Research Council (NERC) Mesosphere-Stratosphere-Troposphere (MST) Radar is operated by the Science and Technology Facilities Council (STFC) at the Radar Facility's (MSTRF's) site in Capel Dewi, near Aberystwyth, Mid-Wales. This dataset contains time-series of vertical profiles of derived atmospheric dynamics (wind speed, direction) and structure (indications of refractive index structures and turbulence) from observations taken from the 46.5 MHz pulsed Doppler radar. It is primarily used for making atmospheric observations over the approximate altitude range 2 - 20 km, i.e. of the free troposphere (above the boundary layer) and the lower stratosphere, known as the "ST-mode". Additional observations are made over the approximate altitude range 56 - 96 km, i.e. covering the mesosphere - known as the "M-mode" (see related dataset); hence the term "MST" radar. The instrument has been in operation, using the Doppler Beam Swinging technique (see linked documentation for further details), since late 1989. It was initially operated on a campaign basis, but switched to quasi-continuous observations (i.e. close to 24-7 operation) in late 1997. In 2011 the radar system underwent renovation with significant improvements in radar performance. The version 4.0 (v4.0) data processing scheme is closely related to the version 3 (v3) scheme and uses v3 Cartesian files as input. The main difference is that the horizontal wind components in the v4 Cardinal files represent time averages, which have a smaller random measurement error compared to the single cycle estimates in the v3 Cartesian files. Data products available from the v4 Cardinal files include time-series profiles of: - eastward wind - northward wind - upward wind - (radar return) signal power (giving an indication of atmospheric structure) - also known as echo power - (beam broadening) corrected spectral width (giving a measure of turbulence intensity) - tropopause altitude and sharpness A full list of variables will be added to this record in due course. Quick look plots for these data are available - see related links under the "docs" tab below. Note - some files are released marked as '-suspect'. These have been released to permit early access to the data where the majority of data are known to pass quality control, but a small, limited part of the data have been identified as being 'suspect'. An internal remark about the suspect data may be found within the file's metadata 'comments' attribute. Natural Environment Research Council Mesosphere-Stratosphere-Troposphere Radar Facility at Aberystwyth (MSTRF) author Capel Dewi Aberystwyth Ceredigion Wales unknown author Hooper, David A. Unavailable author Unavailable author Centre for Environmental Data Analysis (CEDA) custodian 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk custodian Centre for Environmental Data Analysis (CEDA) distributor 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk distributor Vaughan, Geraint Unavailable principal_investigator Unavailable principalInvestigator Centre for Environmental Data Analysis (CEDA) point_of_contact 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk pointofContact Hooper, David A. Unavailable point_of_contact Unavailable pointofContact Centre for Environmental Data Analysis (CEDA) publisher 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk publisher daily dataset MST Radar NERC troposphere stratosphere wind speed wind direction profiles echo power turbulence atmospheric conditions theme GEMET - INSPIRE themes, version 1.0 2008-06-01 publication otherRestrictions Access to these data is available to any registered CEDA user. Please Login or Register for a CEDA account to gain access. otherRestrictions Under the following licence https://artefacts.ceda.ac.uk/licences/missing_licence.pdf, appropriate use of these data may fall under unstated use. This message is intended as guidance, always read the full licence. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record. grid English climatologyMeteorologyAtmosphere -4.0054698 -4.0054698 52.424526 52.424526 2011-04-30T23:00:00 Data are NetCDF formatted. Centre for Environmental Data Analysis (CEDA) Data Center Contact 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk distributor https://catalogue.ceda.ac.uk/uuid/86d964d18ac242a58e13bb8d1c849b48 CEDA Data Catalogue Page Detail and access information for the resource information http://data.ceda.ac.uk/badc/mst/data/nerc-mstrf-radar-mst/v4-0/st-mode/cardinal/ DOWNLOAD Download Data download http://mst.nerc.ac.uk/cgi-bin/mstlog_public/mst_event_search.py MST radar facility instrument performance log No further details. information http://data.ceda.ac.uk/badc/mst/plots/st-mode MST Radar Facility radar stratosphere/troposphere data parameter plots (winds, echo power, shear) No further details. information http://data.ceda.ac.uk/badc/mst/plots/st-diagnostics MST Radar Facility radar stratosphere/troposphere diagnostic parameter plots (secondary signals, beam comparisons, theta-s compensation factors) No further details. information dataset Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 Data are acquired by the MST radar facility and sent to Centre for Environmental Data Analysis (CEDA) within an hour of acquisition. Data are then immediately ingested into the CEDA Archives.