Using Wavelet Analysis to Detect Tornadoes from Doppler Radar...

Journal of Atmospheric and Oceanic Technology;  March 1, 2007 ;     700+ words ......to reduce the false alert rate of tornado detection but also has the ability of capturing...and Alberty 1993). Among them, the tornado detection algorithms based on hook echoes alone...National Severe Storms Laboratory Tornado Detection Algorithm (NSSL TDA, referred to...

Warning decision making: The relative roles of conceptual models,...

Weather and Forecasting;  June 1, 2002 ;     700+ words ......Surveillance Radar-1988 Doppler (WSR-88D) Mesocyclone (MA) and Tornado Detection Algorithms (TDA)] to identify tornado threat. Although...Radar-1988 Doppler (WSR-88D) Mesocyclone Algorithm (MA) and Tornado Detection Algorithm (TDA), when used intelligently, help to focus...

New radars give early warning of approaching tornadoes

Signal;  August 1, 1999 ;     700+ words ......goal was to determine if there are other viable means of tornado detection; and finally, to establish a very precise database on tornado...We think the next generation of radars can have improved tornado detection capability, and even that can be enhanced by proper use...

Variational Analysis of Oversampled Dual-Doppler Radial Velocity Data and...

Journal of Atmospheric and Oceanic Technology;  March 1, 2007 ;     700+ words ......high-resolution wind analyses that are valuable for, for example, tornado detection. This idea is tested in this paper using simulated data...important. The 2 azimuthal resolution may not be sufficient for tornado detection, especially for smaller tornadoes at far ranges (May et...

The national severe storms laboratory tornado detection algorithm

Weather and Forecasting;  June 1, 1998 ;     700+ words ......Severe Storms Laboratory (NSSL) has developed and tested a tornado detection algorithm (NSSL TDA) that has been designed to identify...tornadic weather. The concept of severe thunderstorm and tornado detection using Doppler radar was born over four decades ago. The...

Improving tornado warnings with the Federal Aviation Administration's...

Bulletin of the American Meteorological Society;  May 1, 2001 ;     700+ words ......the Weather Surveillance Radar-1988 Doppler (WSR-88D) for tornado detection is discussed. Compared to the WSR-88D, the TDWR has a narrower...the TDWR network is shown. A significant improvement in tornado detection, as well as other low-attitude phenomena, would be gained...

Polarimetric Tornado Detection

Journal of Applied Meteorology;  May 1, 2005 ;     700+ words ...ABSTRACT Polarimetric radars are shown to he capable of tornado detection through the recognition of tornadic debris signatures that are characterized by the anomalously low cross-correlation coefficient...

Improved tornado detection using simulated and actual WSR-88D data with...

Journal of Atmospheric and Oceanic Technology;  November 1, 2002 ;     700+ words ...ABSTRACT The magnitude of the Doppler velocity signature of a tornado depends on the effective width of the radar beam relative to the size of the tornado. The effective beamwidth is controlled by the antenna pattern beamwidth and the azimuthal sampling interval. Simulations of Weather Surveillance

Senator Decries Tornado Detection Cuts

AP Online;  June 16, 2003 ;     661 words ...00-00-0000 Dateline: WASHINGTON The wind profiler system, an array of instruments that helps track tornadoes in the Midwest and provided data on the disintegration of the space shuttle, has been marked to be cut from the 2004 federal budget. But that plan is already drawing sharp criticism from one

TORNADO DETECTION IMPROVED SINCE '90 | SURPRISE LESS LIKELY: STORM VEERED...

Beacon News, The (Aurora, IL);  August 28, 2000 ;     700+ words ...Could it happen again? Could a deadly tornado slam into the area again with absolutely no warning? "I would say `no said Jim Allsopp, warning coordinator meteorologist for the National Weather Service office in Romeoville. "The technology we have now, with the Doppler radar, means we can pick up

CYCLONE TONES: GIZMOS LISTENING FOR TWISTERS NOAA GIVES `INFRASOUND'...

Rocky Mountain News;  May 26, 2003 ;     700+ words ......distances have been harnessed in a novel tornado-detection network being tested by Boulder researchers. By the end of the month, three tornado-detection stations in Colorado and Kansas will...goal of this first-ever infrasound tornado-detection network is to provide earlier, more...

CYCLONE TONES: GIZMOS LISTENING FOR TWISTERS NOAA GIVES `INFRASOUND'...

Rocky Mountain News (Denver, CO);  May 26, 2003 ;     700+ words ......distances have been harnessed in a novel tornado-detection network being tested by Boulder researchers. By the end of the month, three tornado-detection stations in Colorado and Kansas will...goal of this first-ever infrasound tornado-detection network is to provide earlier, more...

RADAR PROVIDES LIFE-SAVING WARNINGS OF TORNADOES

Dayton Daily News;  March 31, 2004 ;     669 words ...Radar, our most powerful tool for tornado detection and warning, has made incredible and life-saving advances since a tornado hit Xenia in 1974. On April 3, 1974, Channel 7's Gil...

WEATHER SERVICE IS ACCUSED OF 'BAD FAITH' ON DETECTION SYSTEM

Post-Tribune (IN);  July 31, 1994 ;     150 words ......South Lake edition and a longer version ran B3,Porter County edition. Southwestern Indiana is not adequately protected by tornado-detection equipment in Louisville and Peducah, Ky., and the National Weather Service is to blame, Rep. Frank McCloskey says. "At...

ELECTRONICS FANS PLUG IN TO NEW GIZMOS

Post-Tribune (IN);  June 30, 1994 ;     700+ words ......the picture. Suggested retail price $1,399. Final Alert Tornado Detection Device sounds an alarm when it detects a tornado. THIS...cassette and laser disc player. Cost: $799. Final Alert Tornado Detection Device - Atlanta-based KBA Inc. USA assures that this unusual...