Megadrought is a drought lasting at least two decades. SW has been in a drought for 22 years, hence the megadrought label. Source: https://www.scientificameric

Megadrought is a drought lasting at least two decades. SW has been in a drought for 22 years, hence the megadrought label. Source: https://www.scientificamerican.com/article/western-megadrought-is-the-worst-in-1-200-years/ https://www.scientificamerican.com/article/western-megadroug...