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Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. [1] On Earth, most weather phenomena occur in the lowest layer of the planet's atmosphere, the troposphere, [2] [3] just below the stratosphere.
Winter storms can bring all sorts of precipitation: snow, sleet, hail, freezing rain or even plain old rain. Why so much variety? The answer involves temperature changes as the precipitation falls.
Weather modification can also have the goal of preventing damaging weather, such as hail or hurricanes, from occurring; or of provoking damaging weather against an enemy, as a tactic of military or economic warfare like Operation Popeye, where clouds were seeded to prolong the monsoon in Vietnam.
Although heat waves do not cause as much economic damage as other types of severe weather, they are extremely dangerous to humans and animals: according to the United States National Weather Service, the average total number of heat-related fatalities each year is higher than the combined total fatalities for floods, tornadoes, lightning ...
More people will be exposed to the ravages of flooding and drought. But if the nations involved in the Paris talks stay on their current emissions track and don’t reduce greenhouse gas emissions, temperatures could go up by almost 6 degrees Celsius this century, according to the Committee on Climate Change, an independent body that advises ...
Science, when properly applied, can and should inform the most challenging decisions that we, as individuals and societies, have to make—whether they’re about a specific drug for a patient to ...
Multimodality also can be used to associate a text with a specific argumentative purpose, e.g., to state facts, make a definition, cause a value judgment, or make a policy decision. Jeanne Fahnestock and Marie Secor, professors at the University of Maryland and the Pennsylvania State University, labeled the fulfillment of these purposes stases ...
People ski in Central Park after Winter Storm Nemo (so-named by the Weather Channel) covered New York City with 4 to 8 inches of snow on Feb. 9, 2013. Why does the Weather Channel name winter storms?