Extreme weather

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Trends in natural disasters, Pascal Peduzzi (2004) "Is climate change increasing the frequency of hazardous events?" Environment Times UNEP/GRID-Arendal
Trends in natural disasters, Pascal Peduzzi (2004) "Is climate change increasing the frequency of hazardous events?" Environment Times UNEP/GRID-Arendal

Extreme weather includes weather phenomena that are at the extremes of the historical distribution, especially severe or unseasonal weather.[1]

Contents

Increasing dramatic weather catastrophes are due to an increase in the number of severe events and an increase in population densities which increase the number of people affected and damage caused by an event of given severity. The World Meteorological Organization[2] and the U.S. Environmental Protection Agency [3] have linked increasing extreme weather events to global warming, as have Hoyos et al. (2006), writing that the increasing number of category 4 and 5 hurricanes is directly linked to increasing temperatures.[4] Similarly, Kerry Emmanuel in Nature writes that hurricane power dissipation is highly correlated with temperature, reflecting global warming. Hurricane modeling has produced similar results, finding that hurricanes, simulated under warmer, high-CO2 conditions, are more intense than under present-day conditions. Thomas Knutson and Robert E. Tuleya of the NOAA stated in 2004 that warming induced by greenhouse gas may lead to increasing occurrence of highly destructive category-5 storms.[1]

  1. ^ Thomas R. Knutson, et. al., Journal of Climate, Impact of CO2-Induced Warming on Simulated Hurricane Intensity and Precipitation: Sensitivity to the Choice of Climate Model and Convective Parameterization, 15 Sept. 2004. Retrieved March 4, 2007.

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