Radar Reflectivity
MEASUREMENTS OF RAIN DROP SIZE DISTRBUTION FROM RADAR REFLECTIVITY AND ASSOCIATED RAIN ATTENUATION OF RADIO WAVES
... Abstract: Radar measurements of rainfall at different climatological conditions have been taken into account emphasizing rain rate and associated radar ...the reflectivity measurement is being ...
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Data assimilation of radar reflectivity volumes in a LETKF scheme
... of radar reflectivity volumes should be beneficial, since the accuracy of analy- sis is the element that most affects short-term ...of radar reflectivity vol- umes employing a local ensemble ...
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Application of a Bayesian classifier of anomalous propagation to single-polarization radar reflectivity data
... of reflectivity, rejected these echoes in near entirety as anaprop (see the right- hand side of ...the radar volume, have been incorrectly classified as ...the radar beam with distance and the use of ...
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A radar reflectivity operator with ice-phase hydrometeors for variational data assimilation (version 1.0) and its evaluation with real radar data
... this radar reflec- tivity improves the initial conditions of the convective scale and benefits the subsequent ...the reflectivity op- erator improves the analysis of hydrometeors in terms of their spatial ...
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The impact of lightning and radar reflectivity factor data assimilation on the very short-term rainfall forecasts of RAMS@ISAC: application to two case studies in Italy
... of radar reflectivity factor in RAMS@ISAC, it is useful to discuss an example of ...observed reflectivity factor highlights the difficulty of the model to rep- resent convection ...unobserved ...
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On a more consistent definition of radar reflectivity
... Today many variables are commonly measured on a logarithmic scale, particularly in decibel: power, intensity, amplitude, gain, noise, etc., in many different fields of physics, such as optics, acoustics, electronics and ...
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Raindrop size distributions and radar reflectivity–rain rate relationships for radar hydrology
... radar measurements. It has been common practice for over 50 years now to take for this conversion a simple power law relationship between Z and R. It is the purpose of this paper to explain that the fundamental ...
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The relationship between sticky spots and radar reflectivity beneath an active West Antarctic ice stream
... between radar-active acidity and salinity with accumulation and elevation, respectively (Matsuoka and others, ...of radar- active impurities on a variety of ...
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Evaluation on Radar Reflectivity Rainfall Rate (Z R) Relationships for Guyana
... With respect to regression analysis, results show good correlation between rain gauge observation and radar estimations for all relationships, however, R2 is considered the best according to both BIAS and Error ...
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A unified data set of airborne cloud remote sensing using the HALO Microwave Package (HAMP)
... cloud radar reflectivity and linear depolarization ratio at 35 GHz, radiometer bright- ness temperatures between 20 and 183 GHz, and dropsonde atmospheric profiles are provided in the data set described ...
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Ice hydrometeor profile retrieval algorithm for high-frequency microwave radiometers: application to the CoSSIR instrument during TC4
... CloudSat radar reflectivity profiles and associated ECMWF temperature and relative humidity profiles com- bined with three cloud microphysical probability distribu- tions obtained from in situ cloud ...
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Interactions of Gravity Waves and Moist Convection in the Troposphere and Stratosphere
... (bottom) conceptual model of circulations within the leading edge of the dry air mass, the gravity wave, and the convection. The background shading is the radar reflectivity. The forem[r] ...
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Assessment of X-band Earth-Satellite link Rain Attenuation Prediction in Malaysia
... The radar technique involves the exploitation of vertical polarization S-band meteorological radar reflectivity information to calculate the possible rain attenuation along the satellite propagation ...
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Radar Hydrology: New Z/R Relationships for Quantitative Precipitation Estimation in Klang River Basin, Malaysia
... in radar rainfall estimation should be critically ...weather radar with the use of radar-rainfall estimates with a hydrological model can be a problem especially with heavy ...of reflectivity ...
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Doppler Radar Data Assimilation for Mesoscale Numerical Rainfall Prediction
... of radar data can improve the rainfall forecasts not only for rainfall accumulation but also for rainfall distribution in space and time (Zupanski, Zhang, Zupanski, Hou, & Cheung, 2011; Sokol, ...weather ...
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Incorporation of inline warm rain diagnostics into the COSP2 satellite simulator for process-oriented model evaluation
... comparisons between native model output and satellite- retrieved data are not always straightforward because satellite retrievals are inverse estimates from observed radiance or the radar reflectivity ...
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Comparison of Radar Derived Rain Attenuation with the RazakSAT’s X-Band Link Signal Measurement
... measured reflectivity to the value of the rain rate according to the general formula given in (1) by Marshall and ...the radar reflectivity factor and the rain rate are both dependent on the rain ...
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Impact of radar data assimilation for the simulation of a heavy rainfall case in central Italy using WRF–3DVAR
... The initial conditions (ICs) are a key term for a success- ful forecast performed using a high-resolution numerical weather prediction (NWP). Generally, localized mesoscale features are not well represented in the ICs. ...
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A depolarisation lidar-based method for the determination of liquid-cloud microphysical properties
... region radar reflectivity com- pared with values of the reflectivity forward modelled using the corresponding lidar-derived cloud parameters ...
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PROPOSED MODELS OF ADAPTIVE KNOWLEDGE AGGREGATOR
... and radar reflectivity at 28 GHz. Thus, using radar reflectivity to estimate the attenuation in tropical region has advantage for presenting operation of localized rain ...
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