Life Cycle of a Thunderstorm

Developing Stage of a Storm
  • Towering cumulus cloud indicates rising air
  • Usually little if any rain
  • Occasional lightning
Mature Stage of a Storm
  • Most likely time for hail, heavy rain, frequent lightning, and strong winds
  • Possible tornadoes
  • Storm occasionally has a black or green appearance
  • Lasts an average of 10 to 20 minutes, but may last much longer in some storms
Dissipating Stage of a Storm
  • Rainfall decreases in intensity
  • Some thunderstorms produce a burst of strong winds
  • Lightning remains a danger