Atmospheric instability, cloud formation and precipitation processes - Atmosphere, Weather and Climate - page 139

Plate 5.16 Time-lapse photography of cloud-to-ground lightning during a night-time thunderstorm in Norman,
Oklahoma, March 1978.
Source: C. Clark; NOAA Photo Library, National Severe Storms Laboratory, Norman, OK, NOAA.
Plate 5.17
The global
distribution of
lightning flashes
as observed by
the Optical
Transient
Detector (April
1995 to March
2000) and the
Lightning Image
Sensor.
Source:courtesy of
NASA Marshal Space
Flight Center,
NSSTC).