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RISEstimating the Most Steady Frame of Reference from Doppler Radar Data
Publisher: American Meteorological Society
Abstract: A method is described to determine the most steady frame of reference of a weather system from data from one or more Doppler radars at three analysis times. The most steady frame of reference is that frame in which the ...
The Accuracy of Vertical Air Velocities from Doppler Radar Data
Publisher: American Meteorological Society
Abstract: Eight methods of calculating vertical air velocity in a column are compared. Each method requires some or all of the following data: horizontal divergence, vertical precipitation velocity, hydrometeor terminal fall speed, ...
An Improved Version of the Extended Velocity-Azimuth Display Analysis of Single-Doppler Radar Data
Publisher: American Meteorological Society
Abstract: Extended velocity-azimuth display (EVAD) analysis is useful for obtaining vertical profiles of horizontal divergence, vertical air velocity, vertical hydrometer velocity, and hydrometeor terminal fall speed in widespread ...
Improving Research Aircraft Navigation by Incorporating INS and GPS Information in a Variational Solution
Publisher: American Meteorological Society
Abstract: With the new (potentially more accurate) Global Position System (GPS) measurements available, aircraft navigation systems are significantly improved. Since the GPS can drop out occasionally and exhibit other intermittent ...
Observations of a Subtropical Cold Front in a Region of Complex Terrain
Publisher: American Meteorological Society
Abstract: The passage of shallow cold fronts during the late spring and early summer months over the island of Taiwan is often accompanied by heavy rainfall and occasional flash flood episodes. Previous studies have emphasized the ...
The Dynamical and Microphysical Structure of an Occluded Frontal System and its Modification by Orography
Publisher: American Meteorological Society
Abstract: An occluded front moving over Washington State was investigated with serial rawinsonde ascents, aircraft penetrations, raingage measurements and conventional observations. The rawinsonde data showed that the frontal system ...
Horizontal Divergence and Vertical Velocity Retrievals from Doppler Radar and Wind Profiler Observations
Publisher: American Meteorological Society
Abstract: Vertical motion profiles can be diagnosed with the mass continuity equation using horizontal divergence fields derived from various single-Doppler radar techniques such as EVAD (extended velocity-azimuth display), CEVAD ...
The Mesoscale and Microscale Structure and Organization of Clouds and Precipitation in Midlatitude Cyclones. III: Air Motions and Precipitation Growth in a Warm-Frontal Rainband
Publisher: American Meteorological Society
Abstract: Doppler radar data and airborne cloud microphysical measurements obtained in the CYCLES PROJECT indicate that a warm-frontal rainband in an extratropical cyclone was characterized by a precipitation process in which clouds ...
The Mesoscale and Microscale Structure and Organization of Clouds and Precipitation in Midlatitude Cyclones. I: A Case Study of a Cold Front
Publisher: American Meteorological Society
Abstract: Detailed information is deduced on the mesoscale organization of precipitation, the structures of the clouds, the air flows associated with mesoscale rainbands, and the precipitation efficiencies and the mechanisms producing ...
The Oklahoma–Kansas Mesoscale Convective System of 10–11 June 1985: Precipitation Structure and Single-Doppler Radar Analysis
Publisher: American Meteorological Society
Abstract: The 10?11 June mesoscale convective system observed in Kansas during PRE-STORM is studied using a variety of observations including conventional radar, satellite, and single-Doppler radar. This storm, at maturity, consisted ...