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Extreme weather includes weather
Weather

Weather is a set of all the Phenomenon occurring in a given atmosphere at a given time. Weather phenomena lie in the hydrosphere and troposphere....
 phenomena that are at the extremes of the historical distribution, especially severe or unseasonal weather
Severe weather

Severe weather phenomena are weather conditions that are hazardous to human life and property....
.

easing dramatic weather catastrophes are due to an increase in the number of severe events and an increase in population
Population

File:Population density.pngIn biology, a population is the collection of inter-breeding organisms of a particular species; in sociology, a collection of human beings....
 densities, which increase the number of people affected and damage caused by an event of given severity. The World Meteorological Organization
World Meteorological Organization

The World Meteorological Organization is an intergovernmental organization with a membership of 188 Member States and Territories. It originated from the International Meteorological Organization , which was founded in 1873....
 and the U.S.






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Extreme weather includes weather
Weather

Weather is a set of all the Phenomenon occurring in a given atmosphere at a given time. Weather phenomena lie in the hydrosphere and troposphere....
 phenomena that are at the extremes of the historical distribution, especially severe or unseasonal weather
Severe weather

Severe weather phenomena are weather conditions that are hazardous to human life and property....
.

Related to significant tropical cyclones

Increasing dramatic weather catastrophes are due to an increase in the number of severe events and an increase in population
Population

File:Population density.pngIn biology, a population is the collection of inter-breeding organisms of a particular species; in sociology, a collection of human beings....
 densities, which increase the number of people affected and damage caused by an event of given severity. The World Meteorological Organization
World Meteorological Organization

The World Meteorological Organization is an intergovernmental organization with a membership of 188 Member States and Territories. It originated from the International Meteorological Organization , which was founded in 1873....
 and the U.S. Environmental Protection Agency have linked increasing extreme weather events to global warming
Global warming

Global warming is the increase in the Instrumental temperature record of the Earth's near-surface air and the oceans since the mid-twentieth century and its projected continuation....
, as have Hoyos et al. (2006), writing that the increasing number of category 4 and 5 hurricanes is directly linked to increasing temperatures. Similarly, Kerry Emmanuel in Nature writes that hurricane power dissipation is highly correlated with temperature, reflecting global warming
Global warming

Global warming is the increase in the Instrumental temperature record of the Earth's near-surface air and the oceans since the mid-twentieth century and its projected continuation....
. 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
Thomas Knutson

Thomas Knutson is a climate modeller at the US Geophysical Fluid Dynamics Laboratory, a division of the National Oceanic and Atmospheric Administration ....
 and Robert E. Tuleya of the NOAA stated in 2004 that warming induced by greenhouse gas
Greenhouse gas

Greenhouse gases are gases in an atmosphere that Absorption and Emission radiation within the Infrared#Different regions in the infrared range....
 may lead to increasing occurrence of highly destructive category-5 storms. Vecchi and Soden find that wind shear
Wind shear

Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind wind speed and wind direction over a relatively short distance in the Earth's atmosphere....
, the increase of which acts to inhibit tropical cyclones, also changes in model-projections of global warming. There are projected increases of wind shear
Wind shear

Wind shear, sometimes referred to as windshear or wind gradient, is a difference in wind wind speed and wind direction over a relatively short distance in the Earth's atmosphere....
 in the tropical Atlantic and East Pacific associated with the deceleration of the Walker circulation
Walker circulation

The Walker circulation is a conceptual model of the air flow in the tropics in the lower atmosphere . According to this model parcels of air follow a closed circulation in the zonal and vertical directions....
, as well as decreases of wind shear in the western and central Pacific. The study does not make claims about the net effect on Atlantic and East Pacific hurricanes of the warming and moistening atmospheres, and the model-projected increases in Atlantic wind shear.

See also

  • Climate change
    Climate change

    Climate change is any long-term significant change in the expected patterns of average weather of a specific region over an appropriately significant period of time....
  • Effect of sun angle on climate
    Effect of sun angle on climate

    The amount of heat energy received at any location on the globe is a direct effect of sun angle of climate, as the Angle of incidence at which sunlight strikes the earth varies by location, time of day, and season due to the earth's orbit around the sun and the earth's revolution around its tilted axis....
  • Global warming
    Global warming

    Global warming is the increase in the Instrumental temperature record of the Earth's near-surface air and the oceans since the mid-twentieth century and its projected continuation....
  • List of disasters
    List of disasters

    * List of accidents and disasters by death toll lists accidental man-made disasters.* List of natural disasters by death toll lists disasters caused by other forces of nature....
  • List of extreme weather events
    List of extreme weather events

    2008*The 2008 Super Tuesday tornado outbreak was a deadly tornado outbreak affecting the Southern United States and the lower Ohio Valley from February 5 to February 6, 2008....
  • List of tornadoes and tornado outbreaks
    List of tornadoes and tornado outbreaks

    Tornado events These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred around the globe.# Exact death and injury counts are not possible; especially for large events and events before 1955....
  • Storm
    Storm

    A storm is any disturbed state of an astronomical body's Celestial body atmosphere, especially affecting its surface, and strongly implying severe weather....
  • U.S. state temperature extremes
    U.S. state temperature extremes

    The following table lists the highest and lowest temperatures recorded in each U.S. state in the United States, in both Fahrenheit and Celsius. State...
  • Weather-related fatalities in the United States
    Weather-related fatalities in the United States

    Select annual weather-related deathsThis table represents a 6 year period and only a select type of recorded weather events. The data was tabulated from the website by running searches on the specified weather events recorded with at least 1 fatality....
  • Rogue wave (oceanography)


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