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On the role of cold pool in organization of convection over tropical Indian Ocean during DYNAMO

 
Poster PDF

Authors

Zhe Feng — Pacific Northwest National Laboratory
Samson M Hagos — Pacific Northwest National Laboratory
Angela K Rowe — University of Wisconsin

Category

Mesoscale Convective Organization and Cold Pools

Description

A snapshot of simulated surface temperature anomaly (color shading) generated by convective clouds (white shading) during AMIE/DYNAMO
Cold pools resulting from evaporation of rainfall in convective downdrafts are important components of meso- scale organization in the tropics. Using combinations of cloud resolving regional model simulations and radar and surface observations obtained during the DYNAMO field campaign, we investigate cold pool dynamics. Specifically, the processes of kinetic energy transfer from downdrafts at the middle of cold pools to subsequent updrafts at the edges under various environmental conditions are documented. Applications to parameterization of organization of convection in global climate models are discussed.

Lead PI

Zhe Feng — Pacific Northwest National Laboratory