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By 2016, climate change had caused average temperatures in D.C. to rise 2 °F (1.1 °C) in a half-century, [1] more than the nationwide average. [2] Average summer temperatures have continued to rise: five out of six of the District's hottest recorded summers have occurred after 2010. [2]
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For example, a 10-year flood has a 1/10 = 0.1 or 10% chance of being exceeded in any one year and a 50-year flood has a 0.02 or 2% chance of being exceeded in any one year. This does not mean that a 100-year flood will happen regularly every 100 years, or only once in 100 years. Despite the connotations of the name "return period".
Get the Washington, DC local weather forecast by the hour and the next 10 days.
Synchronized weather balloon launches have helped meteorologists create forecasts over the past 150 years, and now the old tradition is going high tech. Sensors beam data back down to Earth every ...
The NWS Baltimore/Washington currently employs about 25 people including meteorologists, support personnel, and management staff, working rotating shifts 24 hours a day, 7 days a week. As of November 10, 2020, the National Weather Service Baltimore/Washington is responsible for Cecil County, Maryland , rather than the National Weather Service ...
An example of a forecast product from the GFS, in this case a 96-hour forecast of 850 mb geopotential height and temperature. The Global Forecast System (GFS) is a global numerical weather prediction system containing a global computer model and variational analysis run by the United States' National Weather Service (NWS).
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