megadrought

mega- +‎ drought

megadrought (plural megadroughts)

1. (climatology) A drought lasting for decades or centuries.
   • 2000, Joan Whitmore, Drought Management on Farmland‎, →ISBN, page 8:

     The most severe droughts also tend to be the most widespread and prolonged, but fortunately these megadroughts are far less frequent than the lesser droughts which are vastly in the majority […]

   • 2021 July 20, Jack Healy, Sophie Kasakove, “A Drought So Dire That a Utah Town Pulled the Plug on Growth”, in The New York Times‎, →ISSN:

     It is one of the first towns in the United States to purposely stall growth for want of water in a new era of megadroughts. But it could be a harbinger of things to come in a hotter, drier West.

   • 2022 August 16, “Drastic water cuts imposed as ‘megadrought’ grips western US states”, in The Guardian‎:

     Severe water cuts were announced on Tuesday to western states in the grip of a severe “megadrought” that has dropped levels in the country’s largest two reservoirs to record lows.

• minidrought
• megafire
• megaflood