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Brood XIII of the 17-year cicada, which reputably has the largest emergence of cicadas by size known anywhere, and Brood XIX of the 13-year cicada, arguably the largest (by geographic extent) of all periodical cicada broods, were expected to emerge together in 2024 for the first time since 1803.
The 2013 Atlantic hurricane season was a well below average Atlantic hurricane season in terms of the number of hurricanes. It was the first since 1994 with no major hurricanes, Category 3 or higher on the Saffir–Simpson scale , and the first in the satellite era where no hurricanes reached Category 2 strength.
The 2013 Atlantic hurricane season was an event in the annual hurricane season in the north Atlantic Ocean. It featured below-average tropical cyclone activity, [nb 1] with the fewest hurricanes since the 1982 season. [2] The season officially began on June 1, 2013 and ended on November 30, 2013.
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While the last cicada invasion hit the U.S. in the summer of 2004, they weren't supposed to emerge until 2021.
Cicadas have a periodical life cycle, only emerging from below the surface when they reach adulthood and temperatures are right. Some take 13 years to become adults, while others take 17 years.
The term periodical cicada is commonly used to refer to any of the seven species of the genus Magicicada of eastern North America, the 13- and 17-year cicadas. They are called periodical because nearly all individuals in a local population are developmentally synchronized and emerge in the same year.
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