2000 Volume 44 Pages 97-102
Through observation of the series of radar images. Meso-β scale rainfall occurring in the Kanto Plain is classified into the following three types, front formation-type, cells-advection type and isolated cell-type. The migration vectors of rain band images are not equal to the advection vectors of rainfall cells measured by PIY method and opposite to the direction of the wind intruding into the atmospheric boundary-layer. The generation mechanism and advection form of spatially large convective rainfall depends on the combination with the wind system in troposphere and local wind(land and sea breeze) in this area.
