Core Tasks

Measuring submesoscale variability and therefore developing a hierarchical measurement strategy are the core tasks of the field campaign FESSTVaL. During the summer months of 2020 it will take place at the Meteorological Observatory Lindenberg – Richard-Aßmann-Observatory (MOL-RAO) of the German Weather Service (DWD) near Berlin, initiated by the Hans-Ertel-Center for Weather Research (HErZ). With respect to the source of submesoscale variability, the measurement campaign focuses on three main aspects: boundary layer patterns, cold pools, and wind gusts.

Measurement Strategy

In order to capture phenomena at the submesoscale (500 m – 5 km), a hierarchical measurement strategy will be realized. This includes wind profiling stations with a coordinated scanning strategy of several Doppler Lidars, two mobile profiler to measure thermodynamic properties and precipitation, more than 100 stations with near-surface measurements of air temperature and pressure, more than 20 automatic weather stations, an X-Band radar, and a number of energy balance stations. This equipment is supplemented by the extensive ground-based remote sensing array at the MOL-RAO, operated by DWD. Complementing to this, the added value of a citizen-science measurement network is investigated during the campaign with “Internet-of-things” based technology and low-cost sensors build and maintained by citizens. The measurements will be complemented by high-resolution large-eddy simulations (ICON-LES) comprising the site.


The measurements conducted with this setup will be useful to (i) improve our process understanding, (ii) validate aspects of convection-permitting Numerical Weather Prediction (NWP) simulations and (iii) compare different measurement strategies and instrument types for the development of future measurement network designs.

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