de33ae6e5b724a41be34d0f107a65ce2 English 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646 251474c7b09449d8b9e7aeaf1461858f dataset Centre for Environmental Data Analysis (CEDA) 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk pointOfContact 2026-05-06T02:17:13 UK GEMINI 2.3 WGS 84 HadISDH: gridded global monthly land surface humidity data version 4.0.0.2017f 2018-04-11T14:18:04 publication 2018-04-11T14:18:04 creation https://catalogue.ceda.ac.uk/uuid/de33ae6e5b724a41be34d0f107a65ce2 de33ae6e5b724a41be34d0f107a65ce2 Centre for Environmental Data Analysis (CEDA) http://dx.doi.org/10.5285/de33ae6e5b724a41be34d0f107a65ce2 doi This is the 4.0.0.2017f version of the HadISDH land data. These data are provided by the Met Office Hadley Centre. This version spans 1/1/1973 to 31/12/2017. The data are monthly gridded (5 degree by 5 degree) fields. Products are available for temperature and six humidity variables: specific humidity (q), relative humidity (RH), dew point temperature (Td), wet bulb temperature (Tw), vapour pressure (e), dew point depression (DPD). Data are provided in either NetCDF or ASCII format. This version extends the 3.0.0.2016p version to the end of 2017 and constitutes a major update to HadISDH due to a change to using the 1981-2010 period as its climatological reference period both to make it more consistent with other monitoring products and to maximise station coverage now that it uses the larger station database of HadISD2. Users are advised to read the update document in the docs section for full details. This version now uses the 1981-2010 period as its climatological reference period both to make it more consistent with other monitoring products and to maximise station coverage now that it uses the larger station database of HadISD2. Additionally, there has been a small methodological change. Stations with large adjustments made during homogenisation are removed based on thresholds for q (>3g/kg), RH (>15%rh), T (>5degC) and Td (>5degC) rather than just T and Td. This results in 54 stations being removed as opposed to 29 last year. All other processing steps for HadISDH remain identical. The new version of HadISD2 (2.0.2.2017p) has pulled through some historical changes to stations which are passed on to HadISDH. This, and the additional year of data, results in small changes to station selection. The homogeneity adjustments differ slightly due to sensitivity to the addition and loss of stations, historical changes to stations previously included and the additional 12 months of data. To keep informed about updates, news and announcements follow the HadOBS team on twitter @metofficeHadOBS. For more detailed information e.g bug fixes, routine updates and other exploratory analysis, see the HadISDH blog: http://hadisdh.blogspot.co.uk/ References: When using the dataset in a paper you must cite the following papers (see Docs for link to the publications) and this dataset (using the "citable as" reference) : Willett, K. M., Dunn, R. J. H., Thorne, P. W., Bell, S., de Podesta, M., Parker, D. E., Jones, P. D., and Williams Jr., C. N.: HadISDH land surface multi-variable humidity and temperature record for climate monitoring, Clim. Past, 10, 1983-2006, doi:10.5194/cp-10-1983-2014, 2014. Smith, A., N. Lott, and R. Vose, 2011: The Integrated Surface Database: Recent Developments and Partnerships. Bulletin of the American Meteorological Society, 92, 704–708, doi:10.1175/2011BAMS3015.1 We strongly recommend that you read these papers before making use of the data, more detail on the dataset can be found in an earlier publication: Willett, K. M., Williams Jr., C. N., Dunn, R. J. H., Thorne, P. W., Bell, S., de Podesta, M., Jones, P. D., and Parker D. E., 2013: HadISDH: An updated land surface specific humidity product for climate monitoring. Climate of the Past, 9, 657-677, doi:10.5194/cp-9-657-2013. Met Office Hadley Centre (MOHC) author FitzRoy Road Exeter EX1 3PB UK enquiries@metoffice.gov.uk author Department of Geography, Maynooth University author Maynooth Co Kildare Ireland unknown author National Centers for Environmental Information - NOAA (NCEI-NOAA) author National Centers for Environmental Information Federal Building 151 Patton Avenue Asheville NC 28801-5 USA unknown author National Physical Laboratory (NPL) author +44 20 8977 3222 Hampton Road Teddington Middlesex TW11 0LW UK unknown author University of East Anglia Climatic Research Unit (CRU) author +44 (0) 1603 592542 University of East Anglia, School of Environmental Sciences Faculty of Science, Norwich Research Park Norwich NR4 7TJ United Kingdom cru@uea.ac.uk author Centre for Environmental Data Analysis (CEDA) custodian 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk custodian Met Office Hadley Centre (MOHC) data_owner FitzRoy Road Exeter EX1 3PB UK enquiries@metoffice.gov.uk owner Centre for Environmental Data Analysis (CEDA) distributor 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk distributor Centre for Environmental Data Analysis (CEDA) point_of_contact 01235446432 Rutherford Appleton Laboratory Harwell Oxon OX11 0QX United Kingdom support@ceda.ac.uk pointofContact Willett, Kate M. 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 notPlanned dataset humidity surface land gridded atmospheric conditions theme GEMET - INSPIRE themes, version 1.0 2008-06-01 publication otherRestrictions Public data: access to these data is available to both registered and non-registered users. otherRestrictions Under the following licence http://www.nationalarchives.gov.uk/doc/non-commercial-government-licence/version/2/, appropriate use of these data may fall under personal, academic, policy, non-commercial and attribution required 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 -180.0 180.0 -90.0 90.0 1973-01-01T00:00:00 2017-12-31T23:59:59 These data are provided in NetCDF and ASCII formats, descriptors of the file formats are included in Docs. 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/de33ae6e5b724a41be34d0f107a65ce2 CEDA Data Catalogue Page Detail and access information for the resource information http://data.ceda.ac.uk/badc/ukmo-hadobs/data/insitu/MOHC/HadOBS/HadISDH/mon/HadISDHTable/r1/v4-0-0-2017f/ DOWNLOAD Download Data download https://twitter.com/metofficeHadOBS Met Office HadOBS twitter feed No further details. information http://journals.ametsoc.org/doi/abs/10.1175/2011BAMS3015.1 Integrated surface database reference paper No further details. information http://www.clim-past.net/9/657/2013/cp-9-657-2013.html HadISDH 2013 reference paper No further details. information http://www.clim-past.net/10/1983/2014/cp-10-1983-2014.html HadISDH 2014 reference paper No further details. information http://www.metoffice.gov.uk/hadobs/hadisdh/ HadISDH Homepage No further details. information http://hadisdh.blogspot.co.uk/ HadISDH blog No further details. information http://www.geosci-instrum-method-data-syst.net/5/473/2016/gi-5-473-2016.html Dunn, R. J. H., Willett, K. M., Parker, D. E., and Mitchell, L.: Expanding HadISD: quality-controlled, sub-daily station data from 1931, Geosci. Instrum. Method. Data Syst., 5, 473-491, doi:10.5194/gi-5-473-2016, 2016. No further details. information https://zenodo.org/record/7357110/files/HadISDH.v4.0.0.2017f_update_v2.pdf HadISDH update doc for v4.0.0.2017p No further details. information https://zenodo.org/record/7356947/files/hadisdhTable_v1.pdf HadISDH data format v1 No further details. information https://zenodo.org/record/7356965/files/HadISDH.2.0.0Process.png HadISDH process diagram 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 HadISDH is a global land surface humidity dataset and is produced by the Met Office Hadley Centre in collaboration with Maynooth University, NOAA NCEI, NPL and CRU. It is based on the quality controlled sub-daily HadISD from the Met Office Hadley Centre which is in turn based on the ISD dataset from NOAA's NCEI. It is passed to the BADC for archiving and distribution.