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Dive in and discover how weather impacts daily life, explores the forces of nature, and guides our understanding of the world around us. Get the Powhatan, VA local weather forecast by the hour and ...
Powhatan County ( / ˈpaʊ.həˈtæn /) is a county located in the Commonwealth of Virginia. As of the 2020 census, the population was 30,033. [1] Its county seat is Powhatan. [2] Powhatan County is included in the Greater Richmond Region . The James River forms the county's northern border, and the Appomattox River is on the south side.
Powhatan, Virginia. / 37.54222°N 77.91889°W / 37.54222; -77.91889. Powhatan is a census-designated place in and the county seat of Powhatan County, Virginia, United States. The community had a population of 402 at the 2020 census. Powhatan was initially known as Scottville (after Revolutionary war hero General Charles Scott ), and ...
NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
Powhatan State Park is a state park located along the James River in Virginia. It is in Powhatan County. The park is 1,565 acres (6 km 2) total with a 2-mile (3.2 km) of riverfront. [ 1][ 2] Powhatan opened in 2013 after a 10-year process of transferring it from use by the Virginia Department of Juvenile Justice to a Virginia state park.
Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...
A NEXRAD weather radar currently used by the National Weather Service (NWS) is a 10 cm wavelength (2700-3000 MHz) radar capable of a complete scan every 4.5 to 10 minutes, depending on the number of angles scanned, and depending on whether or not MESO-SAILS [7] is active, which adds a supplemental low-level scan while completing a volume scan ...
Weather Underground is a commercial weather service providing real-time weather information over the Internet. It provides weather reports for most major cities around the world on its Web site, as well as local weather reports for newspapers and third-party sites. Its information comes from the National Weather Service (NWS), and over 250,000 ...
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