Abstract
It was found that thunders were apt to break out in succession towards the leeward along the path of the drifting silver iodide smoke in cloud seeding experiments and some explanation was tried about it in the light of recent knowledge of thunderstorms.
The height and temperature of the level at which the top of the smoke reached cumulo-nimbus clouds and the process of the outbreak of thunders after the arrival of the smoke in the clouds were discussed.
