Tornado Articles

• Hurricanes and Cyclones
  Severe Weather
  Weather
  Oil Spills
  Climate
  Natural Disasters
   
  

  List of Category 5 Atlantic hurricanes

  This is a list of all Atlantic hurricanes that have reached Category 5, the highest classification of tropical cyclone intensity on the Saffir-Simpson Hurricane ... > more
• Floods
  Desert
  Geology
  Water
  Oceanography
  Natural Disasters
   
  

  Sandstone

  Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the earth's ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Oil Spills
  Geology
  Pollution
   
  

  1999 Izmit, Turkey Earthquake

  The Izmit earthquake with a magnitude of 7.4 which lasted for 45 seconds killed over 17,000 in northwestern Turkey on 17 August ... > more
• Earth Science
  Geology
  Near-Earth Object Impacts
  Geomagnetic Storms
  Environmental Issues
  Earthquakes
   
  

  Earth

  Earth  is the third planet from the Sun and is the largest of the terrestrial planets in the Solar System, in both diameter and mass. It is also referred to as the Earth, Planet Earth, Gaia, ... > more
• Earthquakes
  Natural Disasters
  Tsunamis
  Wildfires
  Geography
  Severe Weather
   
  

  1906 San Francisco earthquake

  The San Francisco earthquake of 1906 was a major earthquake that struck San Francisco and the coast of northern California at 5:12am on Wednesday, April 18, ... > more
• Floods
  Water
  Landslides
  Natural Disasters
  Geography
  Ecology
   
  

  Floodplain

  A floodplain, or flood plain, is flat or nearly flat land adjacent to a stream or river that experiences occasional flooding. It includes the floodway, which consists of the stream channel and ... > more
• Acid Rain
  Rainforests
  Pollution
  Air Pollution
  Forest
  Environmental Science
   
  

  Rain

  Rain is a form of precipitation, other forms of which include snow, sleet, hail, and dew. Rain plays a major role in the hydrologic cycle in which moisture from the oceans evaporates, condenses into ... > more
• Desert
  Geography
  Floods
  Oceanography
  Renewable Energy
  Earth Science
   
  

  Dune

  In physical geography, a dune is a hill of sand built by eolian processes. Bare dunes are subject to shifting location and size based on their interaction with the wind. The "valley" or trough ... > more
• Storms
  Severe Weather
  Air Pollution
  Hurricanes and Cyclones
  Air Quality
  Weather
   
  

  Dust devil

  A dust devil or whirlwind is either a large rotating updraft, anywhere from 1000 meters high or more and tens of meters in diameter, to a small vortex a few meters high. In Australia, they are ... > more
• Tsunamis
  Natural Disasters
  Earth Science
  Geomagnetic Storms
  Geology
  Near-Earth Object Impacts
   
  

  Tide

  Tides are the cyclic rising and falling of Earth's ocean surface caused by the tidal forces of the Moon and the Sun acting on the Earth. Tides cause changes in the depth of the sea, and also produce ... > more

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