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Topic: NEXRAD

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	NEXRAD Radar Operations Center, WSR-88D
		In 1988, the NEXRAD Agencies established the WSR-88D (Weather Surveillance Radar 88 Doppler) Radar Operations Center (ROC) in Norman, Oklahoma.
		NEXRAD is used to warn the people of the United States about dangerous weather and its location.
		The NEXRAD network provides significant improvements in severe weather and flash flood warnings, air traffic safety, flow control for air traffic, resource protection at military bases, and management of water, agriculture, forest, and snow removal.
	www.roc.noaa.gov (215 words)

	NEXRAD
		NEXRAD Doppler Radar images are available on the Internet from the NWS Homepage and local NWS Forecast Offices.
		NEXRAD Doppler Radar images may also be found on local cable channels and the Internet webpages of local media including TV stations, radio stations and newspapers as well as others.
		An archive of NEXRAD data is available at the National Climatic Data Center.
	www.nws.noaa.gov /om/marine/nexrad.htm (190 words)

	nexrad.gao
		NEXRAD is a Doppler radar[6] system that measures wind velocity in severe weather, tracks storm movement and intensity, and generates data and imagery for forecasters and other users, such as air traffic controllers.
		NEXRAD is expected to provide improved weather radar information, thus increasing the accuracy, timeliness, and credibility for warnings of severe thunderstorms, tornadoes, flash floods, turbulence, wind shear, and other types of hazardous weather and related events.
		Of the 163 NEXRADS, 144 are to be located within the conterminous United States (CONUS),[8]\4 11 are to be located in Hawaii and Alaska, and 8 are to be located in the Caribbean, the Atlantic, the Pacific, and Korea.
	www.nssl.noaa.gov /users/brooks/public_html/nexrad/nexrad.html (9085 words)

	Introduction to NEXRAD
		NEXRAD (Next Generation Radar) is a special type of radar that is used for obtaining weather information.
		Unlike previous radars, NEXRAD is capable of detecting not only the existence of interesting objects in the air (precipitation, clouds, etc.) but also their motion.
		The technical name for NEXRAD is WSR-88D which derives its name from Weather Surveillance Radar Doppler, with the "88" coming from the year it was deployed.
	www.letxa.com /nexradintro.php (528 words)

	BirdCast (Site not responding. Last check: )
		NEXRAD is a weather radar designed to optimize the detection of weather related targets such as wind, rain, snow and thunderstorms.
		It is this high sensitivity of NEXRAD that also enables us to detect biological targets such as birds, bats and occasionally insects in the atmosphere.
		The current algorithm uses the vertical distribution of targets in the different elevation scans of the NEXRAD antenna to decide if the targets are weather (reaching up to high altitudes) or birds (within several thousand feet of the earth).
	www.birdsource.org /birdcast/interpret_nexrad.html (894 words)

	AccuWeather School(tm) by AccuWeather(r) (Site not responding. Last check: )
		NEXRAD (NEXt generation of weather RADar) Doppler radars have recently been installed throughout the country to replace the outdated network of conventional weather radars that were installed in the late 1950s.
		For one, NEXRAD Doppler radar data is gathered at a high resolution out to a farther distance from the radar site than conventional radar data,.6 by.6 of a mile resolution out to 143 miles for NEXRAD Base Reflectivity data, as opposed to similar resolution out to only 66 miles for conventional radar.
		NEXRAD Doppler radar also uses the strength of the reflected signal to interpret the amount of liquid water contained within the clouds (the Vertically Integrated Liquid Water product) which can be very useful in determining the relative strength and hail-producing potential of storms.
	www.accuweather.com /wx/school/dopplerfaq.htm (1559 words)

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