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RISInfrasound Originating Near Mountainous Regions in Colorado
Publisher: American Meteorological Society
Abstract: An array of infrasonic microphones, installed near Fraser, CO, operated from February through June 1973. This observatory, in conjunction with a similar, permanent installation at Boulder, triangulated on sources of ...
Low-Frequency Atmospheric Acoustic Energy Associated with Vortices Produced by Thunderstorms
Publisher: American Meteorological Society
Abstract: An infrasonic observatory collocated with the Colorado State University CHILL radar during the summer of 1995 permitted unique comparisons between severe storm kinematics and detected acoustic energy at subaudible frequencies ...
Surface Meteorological Observations in Severe Thunderstorms. Part I: Design Details of TOTO
Publisher: American Meteorological Society
Abstract: The TOTO (Totable Tornado Observatory) device was designed as a prototype meteorological measuring instrument for use by severe storm intercept teams. Portions of the instrument evolved from our work in producing ?hardened? ...
Atmospheric Gravity Waves and Aircraft Turbulence Encounters
Publisher: American Meteorological Society
Abstract: We describe aircraft turbulence-atmospheric gravity wave events which occurred during a 2-day period over the Continental Divide. The waves are observed by two microbarograph networks an each side of the divide and last ...
The Design and Use of Sensitive Pressure-Jump Sensors to Detect Thunderstorm Gust Fronts. Part I : Pressure- Jump Detector Design
Publisher: American Meteorological Society
Abstract: We outline the known properties of atmospheric pressure jumps, including rise-time and pressure-amplitude statistics, and we indicate how these statistics guide the choice of pressure-jump detector components.We review ...
A Climatology of Gravity Waves and Other Coherent Disturbances at the Boulder Atmospheric Observatory during March–April 1984
Publisher: American Meteorological Society
Abstract: We present a climatological study of gravity waves and other coherent disturbances at the Boulder Atmospheric Observatory, during the period mid-March-mid-April 1984. The data were collected by a network of microbarographs, ...
Details of Colliding Thunderstorm Outflows as Observed by Doppler Lidar
Publisher: American Meteorological Society
Abstract: Three cases of colliding outflow boundaries are examined using data collected from the NOAA Doppler lidar and a meteorological tower during the summer of 1986 near Boulder, Colorado. The data are unique because the lidar ...
The Dulles Airport Pressure Jump Detector Array for Gust Front Detection
Publisher: American Meteorological Society
Abstract: Wind shear has long been recognized as one of the major aviation hazards in the airport environment. A principal source of dangerous wind shear is the thunderstorm gust front, a cold air outflow from the thunderstorm ...
The 700–500 mb Lapse Rate as an Index of Microburst Probability: An Application for Thermodynamic Profilers
Publisher: American Meteorological Society
Abstract: This study validates the predicted association between frequency of dry microburst occurrence and large temperature lapse rate. In applying lapse rate trend data and high time resolution data from remote sensors, we first ...