Thunderstorm
A thunderstorm is thunder and lightning and typically also heavy rain or hail.A thunderstorm looks like a lot of cumulonimbus clouds and thunder and lightning as a mix.Thunderstorms form when an air mass becomes so unstable that it overturns (convects) violently.The cumulonimbus cloud grow to extend out to a 100 kilometers.A thunderstorm can cause flash flooding,killing more people each year than hurricanes,tornados,or lighting .Some conditions you need for a thunderstorm is instability through a reasonable depth of the atmosphere,a thunderstorm need enough humidity to sustain,and a thunderstorm need a large amount of static.If I had to survive