observer app

Real-time Climate Observer – Coming Soon

We have developed software which can scan the current climate. With this information, we are able to determine the jet stream position (by Sonja Totz) and quantify its amount of meandering (by Giorgia di Capua). We are also scanning the atmosphere to detect when the jet stream is more likely to resonate (by Kai Kornhuber) and cause high amplitude meanders, which are often associated with more extreme weather events.

Totz, S., Petri, S., Lehmann, J., & Coumou, D. (2018). Regional Changes in the Mean Position and Variability of the Tropical Edge. Geophysical Research Letters, 45, 12,076–12,084.

Di Capua, G., & Coumou, D. (2016). Changes in meandering of the Northern Hemisphere circulation. Environmental Research Letters, 11(January), 1–34.

Kornhuber, K., Petoukhov, V., Petri, S., Rahmstorf, S., & Coumou, D. (2017). Evidence for wave resonance as a key mechanism for generating high-amplitude quasi-stationary waves in boreal summer. Climate Dynamics, 49(5–6), 1961–1979.

Coumou, D., Petoukhov, V., Rahmstorf, S., Petri, S., & Schellnhuber, H. J. (2014). Quasi-resonant circulation regimes and hemispheric synchronization of extreme weather in boreal summer. Proceedings of the National Academy of Sciences, 111(34), 12331–12336.

Get in touch with us



Dr. Dim Coumou

Department of Water & Climate Risk
Institute for Environmental Studies (IVM)
VU Amsterdam
W&N-building, Room C-515
De Boelelaan 1087
1081 HV Amsterdam

Department of Earth System Analysis
Potsdam Institute for Climate Impact Research
Telegraphenberg A62, room S16
D-14473, Potsdam, Germany

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