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PORTAIL D'INFORMATION GÉOGRAPHIQUE

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  • Années 1949-2008 ; Catastrophe ; Changement climatique ; Convection ; Dégât ; Etats-Unis ; Etats-Unis de l'Est ; Etats-Unis du Centre ; Grêle ; Tempête ; Tendance du climat ; Tornade ; Type de temps
  • Catastrophe ; Climatic change ; Climatic trend ; Convection ; Damage ; East Central United States ; Eastern United States ; Hail ; Storm ; Tornado ; United States of America ; Weather type
  • , and high winds. The most frequent catastrophes occurred in Texas, Oklahoma, Kansas, Illinois, and Missouri. The number of catastrophes occurring in only one state and in one climate region during 1949-2008 were least during 1999-2008, revealing that recent
  • catastrophes were of greater size than those occurring during 1949-1998. No long-term trend was evident. Catastrophe losses nationally fluctuated during 1949-1993, but thereafter increased systematically to a peak in 2004-2008. This upward trend in losses
  • reflects recent increases in catastrophe sizes in the Central, Southeast, and Northeast and reveals a recent intensification of storm-producing conditions in the eastern U.S.