Met Office stratospheric assimilated: standard assimilated data from 1991 to 2022

This dataset contains standard assimilated data concerning stratospheric temperature, geopotential height and wind components produced by the Stratospheric Data Assimilation System at the UK Met Office. Data is provided from 1991 to 2022.

The data assimilation system is a development of the scheme used at the Met Office for operational weather forecasting, which has been extended to cover the stratosphere. The primary product is a daily analysis (at 1200 UTC) which is produced using operational observations only. For short periods of particular interest the analyses are available at 6-hourly intervals. Assimilation experiments using UARS (Upper Atmosphere Research Satellite) data in addition to operational meteorological observations have been carried out for limited periods.

The global model producing this data was updated on July 11th 2017. Data from this date has an increased resolution of N1280L70: 2560 latitude x1920 longitude and vertical 70 levels (model top 80 km), see the documentation for full details.

Date (Publication): 2007-02-05T17:09:44

Date (Creation): 2007-02-05T17:09:44

Citation identifier: https://catalogue.ceda.ac.uk/uuid/7a62862f2f43c0bdf4e7d152b6cb59e4

Citation identifier: NCAS British Atmospheric Data Centre (NCAS BADC) / 7a62862f2f43c0bdf4e7d152b6cb59e4

Point of contact

Organisation name	Electronic mail address	Role
Met Office	enquiries@metoffice.gov.uk	Author
NCAS British Atmospheric Data Centre (NCAS BADC)	badc@rl.ac.uk	Custodian
NCAS British Atmospheric Data Centre (NCAS BADC)	badc@rl.ac.uk	Distributor
Met Office	enquiries@metoffice.gov.uk	Principal investigator
NCAS British Atmospheric Data Centre (NCAS BADC)	badc@rl.ac.uk	pointofContact
NCAS British Atmospheric Data Centre (NCAS BADC)	badc@rl.ac.uk	Publisher

Maintenance and update frequency: Daily

Update scope: Dataset

Keywords

Met Office
meteorology
statospheric
uars
assim
assimilated

GEMET - INSPIRE themes, version 1.0

atmospheric conditions

Access constraints: Other restrictions

Other constraints: These data have multiple licences for different applications. Always make sure to read the appropriate licence for full data usage limitations details. Other usage may not be permitted. Restricted data: please submit an application using the REQUEST ACCESS link for access.

Use constraints: Other restrictions

Other constraints: Under the following licence https://artefacts.ceda.ac.uk/licences/specific_licences/ukmo_agreement.pdf, appropriate use of these data may fall under academic 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.

Other constraints: Under the following licence https://artefacts.ceda.ac.uk/licences/specific_licences/ukmo_agreement_gov.pdf, appropriate use of these data may fall under policy 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.

Spatial representation type: Grid

Language: English

Topic category

Climatology, meteorology, atmosphere

Begin date: 2006-03-03T00:00:00

End date: 2022-09-10T00:00:00

Unique resource identifier: WGS 84

Distribution format

Name	Version
Data are PP formatted

Distributor contact

Organisation name	Individual name	Electronic mail address	Role
NCAS British Atmospheric Data Centre (NCAS BADC)		badc@rl.ac.uk	Distributor

OnLine resource

Protocol	Linkage	Name
	https://catalogue.ceda.ac.uk/uuid/7a62862f2f43c0bdf4e7d152b6cb59e4	CEDA Data Catalogue Page

OnLine resource

Protocol	Linkage	Name
	http://data.ceda.ac.uk/badc/ukmo-assim/data/standard/	DOWNLOAD

Hierarchy level: Dataset

Conformance result

Title: 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

Date (Publication): 2010-12-08

Statement: Data are sent from the Met Office and to the Centre for Environmental Data Analysis (CEDA) for long term archival.

CEDA archive the Met Office Unified Model "pp" output files directly and additionally convert the raw "pp" files into NetCDF data files that are archived alongside the "pp" data.

11-July-2017: On the 11th of July 2017 a new operational model came into use, this increased both the horizontal and vertical resolutions of the data. Additionally on this date, the "pp" to NetCDF format conversion tool was changed from Convsh for all files prior to this date to CF-Python to all NetCDF data from 2017-08-11.

09-Jan-2020: From 2020 the archive will only hold the "pp" file format, conversion to NetCDF will no longer occur. Historical NetCDF files will remain on the archive but conversions will no longer be performed after this date.

10-Sep-2022: Updates for this data have been discontinued due to low data usage.

Metadata

File identifier: 7a62862f2f43c0bdf4e7d152b6cb59e4 XML

Metadata language: English

Character set: UTF8

Parent identifier: Met Office Stratospheric Assimilated Data
f0095ccfd57aa3c62b64d3e406ab1f73

Hierarchy level: Dataset

Date stamp: 2026-02-05T03:01:29

Metadata standard name: UK GEMINI

Metadata standard version: 2.3

Metadata author

Organisation name	Individual name	Electronic mail address	Role
NCAS British Atmospheric Data Centre (NCAS BADC)		badc@rl.ac.uk	Point of contact

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