Flash Often Produced in a Thunderstorm
This page is the CodyCross answer for the clue below from Forests, Group 1989, Puzzle 1 (Seasonal Changes).
Question is: Flash Often Produced in a Thunderstorm
and the answer is: LIGHTNING
Word Meaning:
LIGHTNING — A flash of light produced by short-duration, high-voltage discharge of electricity within a cloud, between clouds, or between a cloud and the earth.
Definitions from Wiktionary.