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narvalsimulations [2022/09/14 17:40] – schniersteinnarvalsimulations [2022/09/14 17:55] (current) – [EUREC4A] ghzayel
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 The international EUREC4A campaign took place in February-March 2020 in the Caribbean, in an area east of Barbados. One of the main goals is to probe the subtropical marine Trade wind boundary layer with state-of-the-art instrumentation, including fast-flying high-altitude aircraft (HALO) and slower low-altitude aircraft (the ATR), research vessels, sensors at the BCO site at Barbados, and satellite images. A particular meteorological focus is on detecting and understanding mesoscale cloud patterns. Part of this is an effort to reliably estimate the large-scale conditions in which these patterns form, including subsidence, pressure gradients, and advection. To this purpose, HALO flew mesoscale circles. The international EUREC4A campaign took place in February-March 2020 in the Caribbean, in an area east of Barbados. One of the main goals is to probe the subtropical marine Trade wind boundary layer with state-of-the-art instrumentation, including fast-flying high-altitude aircraft (HALO) and slower low-altitude aircraft (the ATR), research vessels, sensors at the BCO site at Barbados, and satellite images. A particular meteorological focus is on detecting and understanding mesoscale cloud patterns. Part of this is an effort to reliably estimate the large-scale conditions in which these patterns form, including subsidence, pressure gradients, and advection. To this purpose, HALO flew mesoscale circles.
  
-To accompany the measurements we configured and conducted Lagrangian LES experiments on a selection of days. Each trajectory intersects with one of the mesoscale circles. Some first (preliminary) results are posted below. +To accompany the measurements we configured and conducted Lagrangian LES experiments on a selection of days. Each trajectory intersects with one of the mesoscale circles. Some first (preliminary) results are posted below. 
 +  
 +{{ :map_g16_202002031530_rgb.png?direct |}}
  
-{{ :trajectories_eurec4a_latlon5-30x295-340_grid0.1x0.1_20200209_p950_modis.png?nolink&600 |Trajectories based on ECMWF data, superimposed on a MODIS satellite image (NASA Worldview}} 
  
 {{ :eurec4a_v4.0_t114_512x512.png?nolink&600 |Volume rendering of DALES clouds for 5 Feb 2020 case, featuring cold pools. Offline ray tracing rendering performed with Blender}} {{ :eurec4a_v4.0_t114_512x512.png?nolink&600 |Volume rendering of DALES clouds for 5 Feb 2020 case, featuring cold pools. Offline ray tracing rendering performed with Blender}}
narvalsimulations.1663170024.txt.gz · Last modified: 2022/09/14 17:40 by schnierstein