[PDF][PDF] Principles and Applications of Dual-Polarization Weather Radar. Part I: Description of the Polarimetric Radar Variables.

MR Kumjian - Journal of Operational Meteorology, 2013 - nwafiles.nwas.org
ABSTRACT The United States Weather Surveillance Radar-1988 Doppler (WSR-88D) radar
network has been upgraded to dual-polarization capabilities, providing operational and …

Understanding hail in the earth system

JT Allen, IM Giammanco, MR Kumjian… - Reviews of …, 2020 - Wiley Online Library
The processes leading to the development of hail and the distribution of these events
worldwide are reviewed. Microphysical and physical characteristics of hail development are …

Making the black box more transparent: Understanding the physical implications of machine learning

A McGovern, R Lagerquist… - Bulletin of the …, 2019 - journals.ametsoc.org
This paper synthesizes multiple methods for machine learning (ML) model interpretation and
visualization (MIV) focusing on meteorological applications. ML has recently exploded in …

Improving nowcasting of convective development by incorporating polarimetric radar variables into a deep‐learning model

X Pan, Y Lu, K Zhao, H Huang… - Geophysical Research …, 2021 - Wiley Online Library
Nowcasting of convective storms is urgently needed yet rather challenging. Current
nowcasting methods are mostly based on radar echo extrapolation, which suffer from the …

The hydrometeor classification algorithm for the polarimetric WSR-88D: Description and application to an MCS

HS Park, AV Ryzhkov, DS Zrnić… - Weather and …, 2009 - journals.ametsoc.org
This paper contains a description of the most recent version of the hydrometeor classification
algorithm for polarimetric Weather Surveillance Radar-1988 Doppler (WSR-88D). This …

[KÖNYV][B] Weather radar polarimetry

G Zhang - 2016 - taylorfrancis.com
This book presents the fundamentals of polarimetric radar remote sensing through
understanding wave scattering and propagation in geophysical media filled with …

The Anatomy and Physics of Z DR Columns: Investigating a Polarimetric Radar Signature with a Spectral Bin Microphysical Model

MR Kumjian, AP Khain, N Benmoshe… - Journal of Applied …, 2014 - journals.ametsoc.org
Polarimetric radar observations of deep convective storms frequently reveal columnar
enhancements of differential reflectivity Z DR. Such “Z DR columns” can extend upward …

The impact of vertical wind shear on hail growth in simulated supercells

EJ Dennis, MR Kumjian - Journal of the Atmospheric Sciences, 2017 - journals.ametsoc.org
Severe hailstorms produce over $1 billion in insured losses annually in the United States,
yet details of a given storm's hail threat (eg, maximum hailstone size and total hailfall) …

[PDF][PDF] Principles and Applications of Dual-Polarization Weather Radar. Part II: Warm-and Cold-Season Applications.

MR KUMJIAN - Journal of Operational Meteorology, 2013 - nwafiles.nwas.org
In this second part of the series, an overview of applications of polarimetric radar
observations is given. This includes a summary of improvements to data quality, and …

A hail growth trajectory model for exploring the environmental controls on hail size: Model physics and idealized tests

MR Kumjian, K Lombardo - Journal of the Atmospheric …, 2020 - journals.ametsoc.org
A detailed microphysical model of hail growth is developed and applied to idealized
numerical simulations of deep convective storms. Hailstone embryos of various sizes and …