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Dataset

 

CLIMAT Reports collected by the Met Office MetDB System

Update Frequency: Continual
Status: Ongoing
Online Status: ONLINE
Publication State: Published
Publication Date: 2008-08-10
Download Stats: last 12 months

Abstract

The CLIMAT reports describe monthly climate observations by WMO (World Meteorological Organisation) Climate Reference Stations of which there are currently 20 in the UK and some 400 worldwide. The observation stations measure parameters such as monthly mean air temperature, monthly mean vapour pressure, total sunshine for the month, and total precipitation for the month. NOTE - these data are provided as-is from the Met Office and so will need converting form the CLIMAT message format.

Citable as:  Met Office (2008): CLIMAT Reports collected by the Met Office MetDB System. NCAS British Atmospheric Data Centre, date of citation. https://catalogue.ceda.ac.uk/uuid/46c2a680fa9596f30f67613b39e1e1a6
Abbreviation: Not defined
Keywords: Met Office, MetDB,

Details

Previous Info:
No news update for this record
Previously used record identifiers:
http://badc.nerc.ac.uk/view/badc.nerc.ac.uk__ATOM__ACTIVITY_15aba15e-e2c9-11e1-8a03-00163e251233
Access rules:
Restricted data: please submit an application using the REQUEST ACCESS link for access.
Use of these data is covered by the following licence: http://licences.ceda.ac.uk/image/data_access_condition/ukmo_agreement.pdf. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data are extracted from the Met Office's "metDB" system and supplied to BADC. These are then processed to generate BADC-CSV files, where possible. METARS and CLIMAT message types are stored as original message types only within http://data.ceda.ac.uk/badc/ukmo-metdb/raw

Data Quality:
Land and ship SYNOP messages undergo some quality control at the Met Office, but these messages are not as rigorously checked as they are within the MIDAS system into which the data are later migrated. Thus, for historic data the MIDAS dataset is the recommended dataset to use for surface observations.
File Format:
Data availability and file format

The data are held in the BADC-CSV file format, each of which will contain one or more data records and are comma separated variables. "Metadata" are provided giving a full description of the content of the data. More information about the file format can be found on the BADC-CSV format page, which also contains two example files taken from the MetDB dataset.

More Information (under review)


Introduction

The data are climatological summaries for the month made by the observing station or the responsible National Meteorological Service using all data available locally.

The CLIMAT report data contain the following observations:

  • Monthly mean air temperature
  • Monthly mean station level pressure
  • Monthly mean vapour pressure
  • Monthly mean daily minimum and maximum temperature
  • Total precipitation for the month
  • Total sunshine duration for the month
  • Days where precipitation/maximum temperature/minimum temperature/snow depth/wind speed/visibility are greater/less than specified limits, days of other phenomena.
  • Monthly extremes and dates
  • The monthly mean air temperature, monthly mean station level pressure, and monthly mean vapour pressure are all measured using 3-hourly observations (i.e. 0000 hours, 0300 hours, 0600 hours, etc.). The monthly mean station level pressure and vapour pressure are recorded to the nearest 0.1 hectopascal, and the monthly mean air temperature is recorded to the nearest 0.1 degree Celsius.

    The monthly mean daily maximum and minimum temperature are measured to the nearest 0.1 degree Celsius.

    The total precipitation for the month is measured to the nearest millimetre.

    The total sunshine for the month is recorded to the nearest hour.

    The days where precipitation /snow depth/wind speed are greater than specified limits is recorded as a No if this is not the case. The same coding applies for the days of minimum temperature/maximum temperature/visibility are less than specified limits, and also the days of other phenomena.


    Restricted Data Access

    The Met Office wish to monitor the use of this data and require an acknowledgement of the data source if they are used in any publication. Their data is therefore restricted. The online application for access to the Met Office MetDB data includes acceptance of the Met Office Conditions of Use.

    Please note that the Met Office data sets held at the BADC are available for bona fide academic research only. If you wish to access the Met Office data for commercial or personal purposes, please contact the Met Office directly

    Your application for accessing the dataset will be processed within a day of receipt and you will receive a confirmation email. Provided your application is complete and fully meets the Met Office conditions, your web account will be activated to allow you access to the Met Office MetDB data directories via your login account from the BADC WWW Browse Archive pages.


    Data availability and file format

    The data are held in the BADC-CSV file format, each of which will contain one or more data records and are comma separated variables. "Metadata" are provided giving a full description of the content of the data. More information about the file format can be found on the BADC-CSV format page, which also contains two example files taken from the MetDB dataset.


    Some general information about surface station readings can be obtained from the abridged version of MIDAS Data Users Guide, provided by the Met Office. This document describes the meteorological surface data in the Met Office Database - MIDAS. This guide is rich in information and is aimed at those with little familiarity with observing methods or instrumentation.

    Details of the WMO Meteorological codes used at weather observing stations (daily and hourly weather) explain the codes used in this dataset further.

    For more information on the observation stations and instruments used to collect measurements for the CLIMAT records, the Met Office Surface Data Users Guide, describes the meteorological surface data in the Met Office Database - MIDAS.


    Who to contact

    If you have queries about these pages or about obtaining the Met Office surface stations data from the BADC then you should contact BADC Support. Your query should be answered within one working day. When follow-up work is required, the BADC support will carry out the work as quickly and efficiently as possible, and in any case, the user will be kept informed of progress.

    Related Documents

    No documents related to this record were found.

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    Coverage
    Temporal Range
    Start time:
    2010-05-31T23:00:00
    End time:
    Ongoing
    Geographic Extent

     
    90.0000°
     
    -180.0000°
     
    180.0000°
     
    -90.0000°
     
    Related parties
    Authors (1)