WMO Cloud Modeling workshop, Warsaw, July 2012 WMO Cloud Modeling workshop, Warsaw, July 2012 Idealized Oklahoma squall Line 20 june 2007, reflectivity.

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Presentation transcript:

WMO Cloud Modeling workshop, Warsaw, July 2012 WMO Cloud Modeling workshop, Warsaw, July 2012 Idealized Oklahoma squall Line 20 june 2007, reflectivity mosaic

Observation KOUN radar 20 june 2007, reflectivity mosaic WMO Cloud Modeling workshop, Warsaw, July 2012 Observations

WMO Cloud Modeling workshop, Warsaw, July 2012 Idealized modeling deep convection Modeling with DESCAM3D: bin (droplets and crystals) resolved cloud microphysics within a 3D dynamical model (dx, dy= 1km, dz =250m) flow

WMO Cloud Modeling workshop, Warsaw, July 2012 Modeling deep convection Due to a strong wind shear forcing a convective system develops which is similar to a tropical squall line in horizontal and vertical extension.

WMO Cloud Modeling workshop, Warsaw, July 2012 Idealized modeling deep convection strong spatial variability in TWC maxima strong spatial variability in TWC maxima model center 30 km north 30 km south

WMO Cloud Modeling workshop, Warsaw, July 2012 Idealized modeling deep convection A significant variability in TWC appears ranging between 2-9 g/m 3 Horizontal cross section at z = 10 km

Partitioning of TWC – LWC – IWC at 10 km (after 280 min) TWC (g m -3 ) LWC (g m -3 ) IWC (g m -3 )

Droplet number and Ice crystal concentration at 10 km

WMO Cloud Modeling workshop, Warsaw, July 2012

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