The 8th GAME International Science Panel Meeting

GAME-II Cloud and Precipitation Process

Working Group

Yasushi Fujiyoshi

(ILTS, Hokkaido Univ., Japan)

Cloud and Precipitation Process Working Group / GAME-II

Related Workshop ｓ

24 Mar. 2003: 1st Meeting on Moist Convection

at Nagoya Univ., JAPAN

25-26 Aug. 2003: HUBEX meeting for publishing final report

at Hokkaido Univ., JAPAN

29-31 Oct. 2003: The Second China-Japan Workshop on Heavy

Rainfall Experiment and study 　 (at Wuhan, China)

? Feb. 2004: 2nd Meeting on Moist Convection

　 　 　 　 　 　 　 　 at Nagoya University ?)

? 2004: Planning: International meeting on cloud and

precipitation

Final Report of GAME/HUBEX

(March, 2004)I Outline of HUBEX II Research background of HUBEX III Field report of heavy rainfall and flood during HUBEX IV Land surface processes V Source and transport of water vapor to Mei-yu front VI Mechanism of heavy rainfall VII Regional/Basin scale water/energy budget VIII River runoff and hydrological model IX  Yangtze river flood in 1998 X           4DDA (Regional scale) data set of GAME/HUBEX XI         Toward forecasting of heavy rainfall and flood

GAME/HUBEX 1998 &1999

When the area with latent instability is wide enough, a meso-α low is able to develop from convective systems. Latent Heat Organization and Scale-up

Numerical simulation

The south westerly moist air in the low altitude plays an important role for the development of precipitation systems.

When the Mei-yu front moves toward the north of Huaihe River

Analyzed　new　data　set　:　CHERES(973) (China)

Yangtze-river Heavy rainfall (2001+2002)

Shanghai

The convective The convective system:system:developed rapidly developed rapidly within the within the observational observational networknetwork

passed within the passed within the dual-Doppler dual-Doppler analysis regionanalysis region

Tbb & Radar ReflectivityTbb & Radar Reflectivity

Doppler Radar

Range

Moist easterly in the low altitude from the ocean plays an important role for the formation of convergence and convective cloud systems.

Land surface Cloud & Precipitation

Expected New data sets＊ Boundary layer: Prof. Nakamura’s project (in China), Biwa-lake project Wind profiler, 3D-Doppler lidar, Aerosonde, Doppler Sodar, Microwave profiler, Aircraft observation, AWS, Cloud radar ＊ KEOP (Korea)＊ MRI (Japan): Northern Kyusyu, water vapor transport (2003-2006)

Moist Boundary Layer Cloud+aerosol Precipitation

New Target

Related Project: CPEA (Coupling Processes in the Equatorial Atmosphere)- FORSGC

(Indonesia)