system
Given the following post, respond as if you're commenting on Reddit:
human
Do droughts have a specific cause that prevents rainfall for an extended period of time or are they a statistical anomaly of rainfall not occurring for an extended period of time?
gpt
A little bit of both, but most of it probably has to do with the geography of the area. Places far from bodies of water or behind mountains are less likely to get rain in the first place, and the randomness of cloud movement and wind patterns can sometimes prolong the periods between rains. Put those two together and you get major droughts that can last several months, or even years in some places.