The forum brings the latest scientific findings into the political and public discussion. It presents specific options for combating climate change in Switzerland. The topics of focus range from understanding climate change and reducing emissions to adapting to the consequences.more

Image: NASAmore

Data availability and Download

The track data of the second intercomparison project, which is the data used in the TELLUS A publications, are available to download for free use by the scientific community.

Input data for calculation of tracks:

ERAinterim, 1.5°/6h resolution, 01-Jan-1989 to 31-Mar-2009 (or later)


Minimum lifetime of 24h; data over terrain >1500m a.s.l. has been omitted/removed.


When using data of several methods please refer to:

Neu et al. 2013: IMILAST – a community effort to intercompare extratropical cyclone detection and tracking algorithms. Bull. Amer. Meteor. Soc., 94, 529–547.

and the corresponding citations of method descriptions therein (Table I).

When using data of only one method please refer to the corresponding citation in Neu et al. 2013, Table I and references.

For any questions please contact Urs Neu:



All tracks (both hemispheres)

Northern Hemisphere

Southern Hemisphere


Dr. Urs Neu
ProClim − Forum for Climate and Global Change (ProClim)
House of Academies
PO Box
3001 Bern