Lead Centre hosts meeting on GCOS/GUAN/GRUAN cooperation

Between 5-7 December 2017 the members of the Task Team on GUAN convened at the Lindenberg observatory to discuss the coordination and structure of the...

ICM-10: 23-27 April 2018 in Potsdam

The 10th GRUAN annual Implementation and Coordination Meeting, ICM-10, will be organized 23-27 April 2018.

Testing of new Korean Dual Thermistor Radiosonde

In September, the CORETEMP 2017 campaign was hosted by the GRUAN Lead Centre in Lindenberg.

New Official GRUAN Website

We proudly announce the new GRUAN website.

9th GRUAN Implementation-Coordination Meeting (ICM-9)

GRUAN’s 9th Implementation and Coordination Meeting (ICM-9) will be held 12-16 June 2017 in the FMI headquarters in Helsinki, Finland.

GRUAN paper wins the Vilho Väisälä Award

On 23 June 2016 WMO’s executive committee announced that this year’s Prof. Vilho Väisälä award is granted to the authors of the paper on the GRUAN...

ICM-8 Presentations

All presentations and documents of the 7th GRUAN Implementation-Coordination Meeting (ICM-7) [23 February to 27 February 2015] are now available.

ICM-8 Agenda

The agenda of the 7th GRUAN Implementation-Coordination Meeting (ICM-7) [23 February to 27 February 2015] is now available.

Official celebration of the GRUAN-certification of Cabauw

On 1 April Cabauw was officially inaugurated as a certified GRUAN site.

GRUAN certification for Cabauw

The RS92 measurement program at Cabauw has been certified by GRUAN