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Extreme weather

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

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. There is controversy about the frequency of severe events: the World Meteorological Organization [link] has suggested a possible link between increasing extreme weather events and global warming, as have Hoyos et al. (2006), writing, "the increasing ... number of category 4 and 5 hurricanes ... is directly linked to" increasing temperatures. [link] Similarly, [Kerry Emmanuel in Nature] writes, "hurricane power dissipation is highly correlated with ... temperature, reflecting ... global warming." Hurricane modeling has produced similar results, e.g., "hurricanes, simulated under warmer, high-CO2 conditions, are more intense ... than under present-day conditions.... greenhouse gas–induced warming may lead to ... increasing ... occurrence of highly destructive category-5 storms." [link] A commentary by 14 meteorologists [link] published by the American Meteorological Society counters those views, claiming, "research shows very little evidence to support the claim that the rising costs associated with weather ... are associated with changes in [their] frequency or intensity." The IPCC TAR, in 2001, made no strong statements on the issue. Further demographic changes and the effects of global warming are expected to continue this trend.

2006

Flooding

Heat waves

Severe weather

Tropical cyclones

Winter weather

2005

Flooding

Heatwaves

Severe weather

Tropical cyclones

Winter weather

2004

2003

2002

2001

2000

1999

1998

1976

1936

1927

1923

1900

See also

External links

 


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