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RISImproving Tornado Warnings with the Federal Aviation Administration's Terminal Doppler Weather Radar
Publisher: American Meteorological Society
Abstract: The potential role of the Federal Aviation Administration's Terminal Doppler Weather Radar (TDWR) to supplement the Weather Surveillance Radar?1988 Doppler (WSR?88D) for tornado detection is discussed. Compared to the ...
Tornadogenesis and Operational Considerations of the 11 August 1999 Salt Lake City Tornado as Seen from Two Different Doppler Radars
Publisher: American Meteorological Society
Abstract: On 11 August 1999 a climatologically rare F2 tornado developed just west of downtown Salt Lake City, Utah (SLC), and moved directly through the city during the noon hour. Tornadogenesis was observed from a mountaintop ...
Investigation of a Severe Downburst Storm near Phoenix, Arizona, as Seen by a Mobile Doppler Radar and the KIWA WSR-88D
Publisher: American Meteorological Society
Abstract: A Shared Mobile Atmospheric Research and Teaching Radar (SMART-R) was deployed near Phoenix, Arizona, during the summer of 2004. The goal was to capture a severe microburst at close range to understand the low-altitude ...
Improved Detection Using Negative Elevation Angles for Mountaintop WSR-88Ds. Part II: Simulations of the Three Radars Covering Utah
Publisher: American Meteorological Society
Abstract: About one-third of the Weather Surveillance Radar-1988 Doppler (WSR-88D) radars located in the western third of the United States are on the tops of mountains. These mountaintop radars employ scanning strategies that were ...
Difficulties with Correcting Radar Rainfall Estimates Based on Rain Gauge Data: A Case Study of Severe Weather in Montana on 16–17 June 2007
Publisher: American Meteorological Society
Abstract: The principal source of information for operational flash flood monitoring and warning issuance is weather radar?based quantitative estimates of precipitation. Rain gauges are considered truth for the purposes of validating ...
Weather Radar Interlaced Scanning Strategy
Publisher: American Meteorological Society
Abstract: The Next Generation Weather Radar (NEXRAD) may use a 5-min volume scan to monitor thunderstorms and provide hazard warnings. Short-lifetime, low-altitude wind shear near airports is a hazard to safe flights that deserves ...
An Investigation of the Transition from Multicell to Supercell Storms
Publisher: American Meteorological Society
Abstract: Nearly 2½ hours of dual-Doppler radar data with high temporal and spatial resolution are used to examine the evolution and morphology of a thunderstorm that evolved from a complex of small cells into a supercell storm. ...
The National Severe Storms Laboratory Tornado Detection Algorithm
Publisher: American Meteorological Society
Abstract: The National Severe Storms Laboratory (NSSL) has developed and tested a tornado detection algorithm (NSSL TDA) that has been designed to identify the locally intense vortices associated with tornadoes using the WSR-88D ...
Improving QPE and Very Short Term QPF: An Initiative for a Community-Wide Integrated Approach
Publisher: American Meteorological Society
Abstract: Accurate quantitative precipitation estimates (QPE) and very short term quantitative precipitation forecasts (VSTQPF) are critical to accurate monitoring and prediction of water-related hazards and water resources. While ...