Abstract: Motion pictures have been taken at night by astronauts on the space shuttle showing lightning discharges that spread horizontally at speeds of 105 m s?1 for distances over 60 km. Tape recordings have been made of the ...

Abstract: No abstract available.

Abstract: A method is described whereby the distribution of liquid water through a cross section of a cloud may be determined from radiometric data. It involves the scanning of the cloud by a pair of ground-based centimeter wave ...