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RISOrigin of Precipitation and Dynamic Organization in Wavelike Precipitation Bands
Publisher: American Meteorological Society
Abstract: Wavelike parallel precipitation bands, embedded in a layer of cirrus clouds, were studied with a vertically pointing millimetric Doppler radar. Their mean dimensions were 17 km between bands, a 50 km band length and a 6 ...
A Microcomputer Data-Acquisition System for Real-Time Processing of Raindrop Size Distribution Measured with the RD69 Distrometer
Publisher: American Meteorological Society
Abstract: The disdrometer is an instrument used worldwide to measure the size distribution of raindrops at ground level. In this paper, a data-acquisition and real-time processing system designed for disdrometer measurements is ...
Investigations of a Winter Mountain Storm in Utah. Part III: Single-Doppler Radar Measurements of Turbulence
Publisher: American Meteorological Society
Abstract: This Part III of a multipart paper deals with the analysis of turbulent motion in a winter storm, which occurred over the mountains of southwest Utah. The storm was documented with a long duration single Doppler radar ...
A Method of Retrieving Turbulence Parameters from Volume Processing of Single-Doppler Radar Measurements
Publisher: American Meteorological Society
Abstract: In previous work the derivation of turbulence parameters from single-Doppler radar observations was performed with data acquired along a horizontal circle. Here the technique is extended to all the radar data within a ...
Observation of the Diurnal Cycle in the Low Troposphere of West Africa
Publisher: American Meteorological Society
Abstract: The authors give an overview of the diurnal cycle of the low troposphere during 2006 at two different sites, Niamey (Niger) and Nangatchori (Benin). This study is partly based on the first observations of UHF wind profilers ...
Investigations of a Winter Mountain Storm in Utah. Part I: Synoptic Analyses, Mesoscale Kinematics, and Water Release Rates
Publisher: American Meteorological Society
Abstract: A winter storm passing across the north?south-orientated Tushar Mountains in southwest Utah is investigated in this multipart paper. This Part I describes the evolving synoptic pattern, mesoscale kinematics, and calculated ...
Life Cycle of a Mesoscale Circular Gust Front Observed by a C-Band Doppler Radar in West Africa
Publisher: American Meteorological Society
Abstract: n 10 July 2006, during the Special Observation Period (SOP) of the African Monsoon Multidisciplinary Analysis (AMMA) campaign, a small convective system initiated over Niamey and propagated westward in the vicinity of ...
Use of the Doppler Spectral Width to Improve the Estimation of the Convective Boundary Layer Height from UHF Wind Profiler Observations
Publisher: American Meteorological Society
Abstract: Enhancement of the air refractive index structure parameter C2n often occurs at the top of the convective boundary layer (CBL), where the absolute values of the vertical gradients of virtual potential temperature and mixing ...
On the Interaction between Sea Breeze and Summer Mistral at the Exit of the Rhône Valley
Publisher: American Meteorological Society
Abstract: The three-dimensional structure and dynamics of the combination of the sea breeze and the mistral at the Rhône Valley exit, in southeastern France, have been investigated experimentally and numerically on 22 June 2001. The ...
Case Study and Climatological Analysis of Upper-Tropospheric Jet Stream and Stratosphere–Troposphere Exchanges Using VHF Profilers and Radionuclide Measurements in France
Publisher: American Meteorological Society
Abstract: AbstractThe authors present a climatological analysis of tropospheric horizontal wind profiles and jet stream events using long series of wind profiles from two VHF profilers located in France: Lannemezan (2001?14) and ...