Megastorm

Megastorm may refer to:

Historic superstorms

• ARkStorm, an extremely rare once-in-a-lifetime storm that causes historic, extremely damaging flooding over the period of a month.
• The Great Flood of 1862, the most recent ARkStorm event, in which large portions of California were submerged under at least 10 feet of water, especially in Central Valley.

Fiction

• Megastorm, a Predacon/Destron in the Transformers Universe.

See also

• Hypercane - Prehistoric hurricane-like storms that reached the size of continents and lasted for several weeks on average. Hypercanes also had maximum sustained winds reaching at least 500 miles per hour (800 km/h), and could attain a central low pressure of at least 700 millibars (21 inHg) while at peak intensity. Hypercanes once roamed the tropical belts in both Hemispheres of the Earth, during the warm period Holocene Maximum prior to the last ice age.