Case: 10 March 2019

Summary

A widespread and persistent closed cloud deck under weak flow

Description

This event featured a relatively widespread and persistent stratocumulus cloud deck under weak southerly flow. There were intervals of more intense drizzling cloud conditions prior to midday, as well as towards the end of the event. Upper-level clouds were observed advecting over the region from the west, however these high clouds remain north and west of the primary Azores modeling domain. Inversion height at approximately 2.0 km AGL.

Available assets

Standard ARM profiling assets, SEVIRI. RLPROF-FEX

Critical period: 09:00-12:00

Clouds with more intense drizzle signatures and subcloud precipitation

True color MODIS AQUA

Figure 18 True color afternoon MODIS AQUA image with overlaid LES domains. The image domain corresponds to the size of the model forcing domain.