Case: 15 October 2017

Summary

Sporadic open cell convective clouds following the passage of tropical storm Ophelia

Description

This was an open cell cumulus event that followed the passage of TS Ophelia over the ENA site. Low-level winds were moderate and from the north throughout much of this event. The cloud field on this event was relatively sparse, with the cloud echo top heights for this event near or below the observed melting level.

Available assets

Standard ARM profiling assets, SEVIRI. SACR. RLPROF-FEX

Critical period: 12:00-18:00

Period with the most frequent open cell cumulus clouds

True color MODIS AQUA — Figure 28 True color afternoon MODIS AQUA image with overlaid LES domains. The image area corresponds to the 5° region sampled for the larger forcing option. The yellow and orange boxes correspond to the sizes of the 25 km and 102 km LES domains, respectively.