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Two recent hurricanes9/2/2023 Satellite-estimated rainfall from November 1-22, 2020, over Central America, during the time that Hurricane Eta and Hurricane Iota made landfall. Each of the six hurricanes that hit the U.S., however, caused over $1 billion in losses, breaking the record of four billion-dollar hurricanes in a season (adjusted for inflation), set in 20. struck relatively sparsely populated portions of the Louisiana coast, so the 2020 damages could have been far worse. Fortunately, three of the six hurricanes that hit the U.S. damage from 2020’s hurricanes and tropical storms was $37 billion, ranking as the eighth highest total on record. (Image credit: Steve Bowen, Aon)Īon estimates that the total U.S. Insurance broker Aon estimates that Laura caused $16 billion in damage, and Delta $4 billion. Incredibly, on October 9, Hurricane Delta made landfall as a category 2 hurricane with 100 mph winds just 12 miles to the east of where Laura hit. landfall, and tied the Last Island Hurricane of 1856 as the strongest landfalling hurricane in Louisiana history. Laura was tied as the fifth-strongest hurricane on record to make a continental U.S. hurricane of 2020, hitting southwestern Louisiana as a category 4 storm with 150 mph winds on August 27. Hurricane Laura was the strongest and most damaging landfalling U.S. Louisiana was hit by five named storms, the most ever to make landfall in one season in the state (old record: four in 2002). Only five counties along that stretch avoided tropical storm-force winds, according to an analysis by Kyle Noel. Atlantic coast, from Texas to Maine, was under a watch or warning related to tropical cyclones at some point in 2020. landfall, tying 2020 with 19 for most U.S. suffered an extraordinary 12 landfalls by named storms in 2020, smashing the previous record of nine in 1916. (Image credit: National Weather Service, Corpus Christi) An unprecedented battering of the U.S. Atlantic coast was under a watch or warning related to tropical cyclones at some point in 2020. (Check out this 76-second animation by Jake Carstens showing the National Hurricane Center (NHC) tropical weather outlooks for the entire season 42 seconds into the video gets particularly insane, when September starts.) Figure 1. The record for most names retired in one season was set in 2005, when five hurricanes had their names retired. At least seven hurricanes from 2020 will be worthy of having their names retired: Iota, Eta, Zeta, Delta, Sally, Laura, and Isaias – although there is still no official mechanism for retiring storm names from the Greek alphabet. Let’s not forget the record-breaking November activity – two catastrophic hurricanes hit Central America in November, including Hurricane Iota, the latest category 5 storm ever recorded in the Atlantic. The 2020 season was notable not only for its record number of named storms (after breaking into the Greek alphabet by the ridiculously early date of September 18), but also for its record number of rapidly intensifying storms (10) and record number of landfalling U.S.
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