UEA ENV Climatic Research Unit Climate Data




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ATMOSPHERIC CIRCULATION INDICES & PRESSURE

Circulation indices / Modes of Variability

Southern Oscillation Index (SOI) (Phil Jones/Tim Osborn) Frequently updated

North Atlantic Oscillation (NAO) index (Phil Jones/Tim Osborn) Frequently updated

NAO index modifications by Vinther et al. (2003)

NAO reconstruction by Luterbacher et al. (2001)

Paris-London Westerly Index by Cornes et al. (2013)

Mediterranean Oscillation Index (MOI) & Western MOI (WeMOi)

Saharan Oscillation Index (SaOI)

North Sea Caspian Pattern (NCP) index

Trans Polar Index (TPI)

Weather types and synoptic circulation

Lamb Weather Types and Gale Index for British Isles and North Sea Updated daily

Fluvial Flood Indices (based on Weather Types) for British Isles and Island and Ireland Updated daily

Lamb Weather Types and Gale Index for the Falklands Updated daily

Station pressure data

Madras monthly mean sea level pressure

Nagasaki monthly mean sea level pressure and temperature

Gridded pressure datasets

NCEP/NCAR Reanalysis v1 (European window, ASCII format, daily and 6-hourly data for 18 variables including sea level pressure, for 1948-2022)

Northern Hemisphere gridded mean sea level pressure (MSLP) monthly 1873-2000

The various datasets on the CRU website are provided for all to use, provided the sources are acknowledged.

Acknowledgement should preferably be by citing one or more of the papers referenced on the appropriate page. Some datasets are also disseminated via disciplinary data repositories (if indicated on the individual data page), which can provide persistent links or doi's to a particular dataset. The website can also be acknowledged if deemed necessary, though note that the URLs may sometimes be changed. We endeavour to update many of the data pages at timely intervals although this cannot be guaranteed by specific dates.

Datasets are managed by a variety of people and projects within CRU. Some are available online, others must be requested from the person responsible for them.

Files ending in ".gz" can be decompressed using gzip (most platforms), WinZip (Windows) or the in-built capability of many operating systems.


License

These datasets are made available under the Open Database License. Any rights in individual contents of the datasets are licensed under the Database Contents License under the conditions of Attribution and Share-Alike.

Please use the attribution Climatic Research Unit, University of East Anglia

Updated: September 2023, Ian Harris