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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 ...
On the afternoon of May 21, 2024, a violent and destructive multi-vortextornadostruck the communities of Villisca, Nodaway, Brooks, Corning, and Greenfieldin southwestern Iowa, killing five people and injuring 35 others. The tornado was the strongest of a large widespread tornado outbreakthat occurred from May 19-27, 2024 in the central United ...
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 ...
The National Weather Service Weather Forecast Office in Des Moines, Iowa, is one of the forecast offices to have created a set purpose and criteria for the usage of "tornado emergencies" in tornado warning products, which were made effective on March 12, 2010. According to the Des Moines office, the purpose of the tornado emergency wording is ...
Des Moines issued 125,768 tickets and collected 84,991 fines in fiscal year 2023. The city took in $3.6 million, which it spent on its public safety radio system, and the company running the ...
September 20, 2024 at 7:15 AM. As drought starts to creep its way back into the state, some parts of Iowa saw scattered thunderstorms Thursday evening. Des Moines, on the other hand, did not see ...
The WSR-88D Doppler weather radar system, also called NEXRAD, was developed by the National Weather Service during the mid-1980s, and fully deployed throughout the majority of the United States by 1997. There are 158 such radar sites in operation in the U.S., its various territorial possessions and selected overseas locations. This technology ...
Des Moines (/ dəˈmɔɪn / ⓘ də-MOYN) is the capital and most populous city in the U.S. state of Iowa. It is the county seat of Polk County with parts extending into Warren County. It was incorporated on September 22, 1851, as Fort Des Moines, which was shortened to "Des Moines" in 1857. [6] It is located on, and named after, the Des Moines ...