Re-analysis ERA-20C European winter extra-tropical cyclone tracks 1900-2010

This dataset contains winter (October-March) extra-tropical cyclone tracks generated by TRACK (Hodges 1994, 1995, 1999) that pass through a Western European domain from the ERA-20C (1900-2010). The tracks were filtered to retain those that travelled 1000km and lasted 2 days. Fields referenced to the tracks are: mean sea-level pressure (min within 5 degrees), 925hPa windspeed (max within 6 degrees), precipitation (max within 5 degrees), 700hPa vertical velocity (min within 5 degrees), 925hPa land-windspeed (max within 6 degrees), precipitation (area average over 5 degrees).

This data was collected as part of Robust Spatial Projections for the Real World (Real Projections) NERC (Natural Environment Research Council) NE/N018486/1.

For files with the naming convention:

[Dataset]_tr_trs_VOR850_[yearstart][yearend]_pos.addmslp_addspeed_addprecip_addomega_addlandwinds_addavgprecip.new_1000km2dayfiltered[_RealProjregion2filtered_maxlandwindsinregion].txt

The track files contain a 5 line header. The information in the body of the file gives:

1. Date and time (YYYYMMDDHH).

2. Longitude of relative vorticity maximum (degrees).

3. Latitude of relative vorticity maximum (degrees).

4. Relative vorticty at T42 resolution (x10-5 s-1).

5. Longitude of associated MSLP minimum (degrees).

6. Latitude of associated MSLP minimum (degrees).

7. MSLP minimum (hPa).

8. Longitude of 925hPa windspeed maximum within a 6 degree radius of vorticity maximum (degrees).

9. Latitude of 925hPa windspeed maximum within a 6 degree radius of vorticity maximum (degrees).

10. 925hPa windspeed maximum within a 6 degree radius of vorticity maximum (ms-1).

11. Longitude of precipitation maximum within a 5 degree radius of vorticity maximum (degrees)

12. Latitude of precipitation maximum within a 5 degree radius of vorticity maximum (degrees)

13. Precipitation maximum within a 5 degree radius of vorticity maximum (mmhr-1)

14. Longitude of 700hPa minimum vertical velocity within a 5 degree radius of vorticity maximum (degrees)

15. Latitude of 700hPa minimum vertical velocity within a 5 degree radius of vorticity maximum (degrees)

16. 700hPa vertical velocity minimum within a 5 degree radius of vorticity maximum (ms-1)

17. Longitude of 925hPa windspeed maximum over European and Scandinavian land within a 6 degree radius of vorticity maximum (degrees).

18. Latitude of 925hPa windspeed maximum over European and Scandinavian land within a 6 degree radius of vorticity maximum (degrees).

19. 925hPa windspeed maximum over European and Scandinavian land within a 6 degree radius of vorticity maximum (ms-1).

20. Precipitation area averaged over a 5 degree radius of vorticity maximum (mmhr-1)

The [_RealProjregion2filtered_maxlandwindsinregion] refers to data that has been filtered to those storms that have their maximum 925hPa windspeed over land in the region. The add[field] refers to which field, and the order, in which the meteorological fields have been referenced to the vorticity centres.

For files with the naming convention:

[Dataset]_tr_trs_VOR850_[yearstart][yearend]_pos.addmslp_addspeed_addprecip_addomega_addlandwinds_addavgprecip_addmax5cmorph_addavg5cmorph.new_1000km2dayfiltered_RealProjregion2filtered_maxlandwindsinregion.txt

(i.e. these include two additional fields for a smaller temporal range)

The same track information as above in included, plus:

21. Longitude of CMORPH precipitation maximum within a 5 degree radius of vorticity maximum (degrees)

22. Latitude of CMORPH precipitation maximum within a 5 degree radius of vorticity maximum (degrees)

23. CMORPH precipitation maximum within a 5 degree radius of vorticity maximum (mmhr-1)

24. CMORPH precipitation area averaged over a 5 degree radius of vorticity maximum (mmhr-1)

Date (Publication): 2018-06-15T13:07:30

Date (Creation): 2018-06-15T13:07:30

Citation identifier: https://catalogue.ceda.ac.uk/uuid/100dd91da981445fa4a350cc9cfe60bf

Citation identifier: Centre for Environmental Data Analysis (CEDA) / 100dd91da981445fa4a350cc9cfe60bf

Citation identifier: doi / http://dx.doi.org/10.5285/100dd91da981445fa4a350cc9cfe60bf

Point of contact

Organisation name	Individual name	Electronic mail address	Role
Unavailable	Champion, Adrian J.	Unavailable	Author
Unavailable	Collins, Matthew	Unavailable	Author
Unavailable	Catto, Jennifer	Unavailable	Author
Unavailable	Siegert, Stefan	Unavailable	Author
Unavailable	Hodges, Kevin	Unavailable	Author
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	Custodian
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	Owner
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	Distributor
Unavailable	Collins, Matthew	Unavailable	Principal investigator
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	pointofContact
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	Publisher

Maintenance and update frequency: Unknown

Update scope: Dataset

Keywords

extra-tropical
cyclone
European
track
tracks
ETC
storm
storms

GEMET - INSPIRE themes, version 1.0

atmospheric conditions

Access constraints: Other restrictions

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Use constraints: Other restrictions

Other constraints: Under the following licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/, appropriate use of these data may fall under any 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: 1900-01-01T00:00:00

End date: 2010-03-31T22:59:59

Unique resource identifier: WGS 84

Distribution format

Name	Version
Data are txt formatted

Distributor contact

Organisation name	Individual name	Electronic mail address	Role
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	Distributor

OnLine resource

Protocol	Linkage	Name
	https://catalogue.ceda.ac.uk/uuid/100dd91da981445fa4a350cc9cfe60bf	CEDA Data Catalogue Page

OnLine resource

Protocol	Linkage	Name
	http://data.ceda.ac.uk/badc/deposited2018/robust-storm-track/data/era-20c	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 delivered to the Centre for Environmental Data Analysis (CEDA) for archiving by the project team.

Metadata

File identifier: 100dd91da981445fa4a350cc9cfe60bf XML

Metadata language: English

Character set: UTF8

Parent identifier: Re-analysis (ERA-20C, ERA-Interim, NCEP-CFS) European winter extra-tropical cyclone tracks 1900/1979-2010
8ec7ddba554844b4ad1a600ff2196e1c

Hierarchy level: Dataset

Date stamp: 2026-02-25T03:15:31

Metadata standard name: UK GEMINI

Metadata standard version: 2.3

Metadata author

Organisation name	Individual name	Electronic mail address	Role
Centre for Environmental Data Analysis (CEDA)		support@ceda.ac.uk	Point of contact

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