Extreme weather
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Extreme weather includes unexpected, unusual, severe, or unseasonal weather; weather at the extremes of the historical distribution—the range that has been seen in the past. Extreme events are based o
A tornado is an example of an extreme weather event.
2003 European heat wave
Cold wave in continental North America from Dec. 3–10, 2013. Red color means above mean temperature; blue represents below normal temperature.
A California reservoir in 2015 with low water levels due to drought conditions. From 2011 to 2017, California experienced one of its driest periods in recorded history.
Flood
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A flood is an overflow of water that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are of significant concern in a
Urban flooding in a street in Morpeth, England, 2008
View of flooded New Orleans in the aftermath of Hurricane Katrina
Flooding of a creek due to heavy monsoonal rain and high tide in Darwin, Northern Territory, Australia
Flood in Jeddah, covering the King Abdullah Street in Saudi Arabia