Microphysics of 2-Day Rain Events During the Active Stage

Hannah C. BarnesRobert A. Houze, Jr.

University of Washington

MJO Field Data and Science Workshop5 March 2013, Hapuna Beach Resort, Kohala Coast, Hawaii

Conceptual Model of Kinematic Structure of MCS

Convective Stratiform

3D, layer airflow

Kingsmill and Houze (1999a)

1546 UTC 20 Oct 2011

Kingsmill and Houze 1999a

Leading Cell and Trailing Stratiform Reflectivity

Radial Velocity

Particle Identification

Dry Aggregates

Graupel

Non-Oriented Ice

Heavy Rain

Drizzle

Graupel

Melting Aggregates

Rain / Graupel

Dry Aggregates

Oriented Ice

Light Rain

0˚C

Conceptual Model of Microphysics Anvil Stratiform Convective

Convective Cell

Kingsmill and Houze (1999a)

1531 UTC 18 Oct 2011

Reflectivity

Radial Velocity

Particle Identification

Stratiform Region

Kingsmill and Houze (1999a)

Reflectivity

Radial Velocity

Particle Identification

1901 UTC 18 Oct 2011

Theorized Hydrometeor Profile of MCS from GATE

Leary and Houze (1979b)

Acknowledgements

• Funding• DYNAMO – NSF AGS-1059611