Mean storms: Composites of radar reflectivity images during two decades of severe thunderstorm events
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Climatology"
DOI: 10.1002/joc.6804
Abstract: Funding information Climate Program Office, Grant/Award Number: NA13OAR4310183; Louisiana Board of Regents, Grant/Award Number: LEQSF(2019-22)-RD-A-07; National Science Foundation, Grant/Award Number: ATM-1637225 Abstract This research quantifies the spatiotemporal statistics of composite radar reflectivity in the vicinity… read more here.
Keywords: radar reflectivity; severe thunderstorm; convection; grant award ... See more keywords
Application of a three-dimensional variational method for radar reflectivity data correction in a mudslide-inducing rainstorm simulation
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Atmospheric Sciences"
DOI: 10.1007/s00376-016-6010-5
Abstract: Various types of radars with different horizontal and vertical detection ranges are deployed in China, particularly over complex terrain where radar blind zones are common. In this study, a new variational method is developed to… read more here.
Keywords: radar reflectivity; reflectivity data; variational method; radar ... See more keywords
Sensitivity of snowfall radar reflectivity to maximum snowflake size and implications for snowfall retrievals
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Quantitative Spectroscopy and Radiative Transfer"
DOI: 10.1016/j.jqsrt.2019.106605
Abstract: Abstract The cutoff point of the snowflake (or snow and ice particle) size distribution (SSD) used for modeling the snowfall radar reflectivity and for snowfall retrievals in radar remote sensing is characterized by high uncertainties because… read more here.
Keywords: snowflake size; snowfall radar; radar reflectivity; radar ... See more keywords
Improving C-band weather radar reflectivity attenuation based on two-dimensional video disdrometer data
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Remote Sensing"
DOI: 10.1117/1.jrs.14.024521
Abstract: Abstract. A method was proposed for correcting the attenuation of C-band weather radar reflectivity data based on a 2-D video disdrometer. The relationship between the C-band weather radar reflectivity attenuation rate k and radar reflectivity… read more here.
Keywords: band weather; radar reflectivity; radar; attenuation ... See more keywords
Testing Passive Microwave-Based Hail Retrievals Using GPM DPR Ku-Band Radar
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Meteorology and Climatology"
DOI: 10.1175/jamc-d-20-0129.1
Abstract: Several studies in the literature have developed approaches to diagnose hail storms from satellite-borne passive microwave imagery and build nearly global climatologies of hail. This paper uses spaceborne Ku-band radar measurements from the Global Precipitation… read more here.
Keywords: radar reflectivity; reflectivity; hail; passive microwave ... See more keywords
Direct Variational Assimilation of Radar Reflectivity and Radial Velocity Data: Issues with Nonlinear Reflectivity Operator and Solutions
Sign Up to like & getrecommendations! Published in 2020 at "Monthly Weather Review"
DOI: 10.1175/mwr-d-19-0149.1
Abstract: AbstractRadar reflectivity (Z) data are either directly assimilated using 3DVar, 4DVar, or ensemble Kalman filter, or indirectly assimilated using, for example, cloud analysis that preretrieves hyd... read more here.
Keywords: assimilation radar; variational assimilation; reflectivity radial; direct variational ... See more keywords
A Simulated Radar Reflectivity Calculation Method in Numerical Weather Prediction Models
Sign Up to like & getrecommendations! Published in 2021 at "Weather and Forecasting"
DOI: 10.1175/waf-d-20-0030.1
Abstract: The simulated radar reflectivity used by current mesoscale numerical weather prediction models can reflect the grid precipitation but cannot reflect the subgrid precipitation generated by a cumulus parameterization scheme. To solve this problem, this study… read more here.
Keywords: reflectivity; reflectivity calculation; radar reflectivity; calculation method ... See more keywords
The impact of lightning and radar data assimilation on the performance of very short term rainfall forecast for two case studies in Italy
Sign Up to like & getrecommendations! Published in 2018 at "Natural Hazards and Earth System Sciences"
DOI: 10.5194/nhess-2018-319
Abstract: Abstract. In this paper, we study the impact of lightning and radar reflectivity factor data assimilation on the precipitation VSF (Very Short-term Forecast, 3 hours in this study) for two relevant case studies occurred over… read more here.
Keywords: assimilation; data assimilation; lightning radar; case ... See more keywords