ERA-40 News

The web-version of the ERA-40 Atlas has been released. It includes all the material in the printed version of the Atlas; ERA-40 Report Series No. 19. The Atlas describes the climate during 1979 - 2001, the period with the best and most time-consistent product quality for the globe as a whole. The Atlas contains surface and column-integrated fields, and upper-air fields derived on pressure levels, on isentropic levels and on the 2 pvu potential-vorticity level from values on the models native hybrid levels. Also included are the invariant fields used in the data-assimilation system. The climate of the period 1979 - 2001 is presented for the four seasons, the annual average and the interannual variability. These products are based on the ERA-40 monthly/ diurnal averages together with six-hourly analysis and forecast fields. A selection of time series, showing for example the quasi-biennial oscillation of stratospheric winds, is presented for the full period 1958 - 2001.

And can be referenced as:

Uppala, S.M., Kållberg, P.W., Simmons, A.J., Andrae, U., da Costa Bechtold, V., Fiorino, M., Gibson, J.K., Haseler, J., Hernandez, A., Kelly, G.A., Li, X., Onogi, K., Saarinen, S., Sokka, N., Allan, R.P., Andersson, E., Arpe, K., Balmaseda, M.A., Beljaars, A.C.M., van de Berg, L., Bidlot, J., Bormann, N., Caires, S., Chevallier, F., Dethof, A., Dragosavac, M., Fisher, M., Fuentes, M., Hagemann, S., Hólm, E., Hoskins, B.J., Isaksen, L., Janssen, P.A.E.M., Jenne, R., McNally, A.P., Mahfouf, J.-F., Morcrette, J.-J., Rayner, N.A., Saunders, R.W., Simon, P., Sterl, A., Trenberth, K.E., Untch, A., Vasiljevic, D., Viterbo, P., and Woollen, J. 2005: The ERA-40 re-analysis. Quart. J. R. Meteorol. Soc., 131, 2961-3012.doi:10.1256/qj.04.176

24th of November 2005

The method of Re-analysis was advertised in the 'Parliament Magazine', which is circulated bi-monthly to members of European Parliament, the EU Presidency, Council of Ministers, all European Commissioners, EU National Parliaments, and EU National Governments. On average about 4000 to 5000 copies are distributed. An additional 1000 copies were distributed to the delegates attending the International Conference on "Communicating European Research 2005" in Brussels on 14-15 November 2005.

The ERA-40 Atlas is now available in print. The web interface is under development.