MASCDB, a database of images, descriptors and microphysical properties of individual snowflakes in free fall

J Grazioli, G Ghiggi, AC Billault-Roux, A Berne - Scientific Data, 2022 - nature.com
Snowfall information at the scale of individual particles is rare, difficult to gather, but
fundamental for a better understanding of solid precipitation microphysics. In this article we …

Radar retrieval evaluation and investigation of dendritic growth layer polarimetric signatures in a winter storm

EL Dunnavan, JT Carlin, J Hu… - Journal of Applied …, 2022 - journals.ametsoc.org
This study evaluates ice particle size distribution and aspect ratio φ Multi-Radar Multi-
Sensor (MRMS) dual-polarization radar retrievals through a direct comparison with two legs …

Graupel Precipitating From Thin Arctic Clouds With Liquid Water Paths Less Than 50 g m−2

KE Fitch, TJ Garrett - Geophysical Research Letters, 2022 - Wiley Online Library
Rimed precipitation growth can efficiently remove moisture and aerosols from the boundary
layer, yet thin low‐level Arctic mixed‐phase clouds are generally thought to precipitate …

Measurement and analysis of the microphysical properties of Arctic precipitation showing frequent occurrence of riming

KE Fitch, TJ Garrett - Journal of Geophysical Research …, 2022 - Wiley Online Library
Detailed ground‐based observations of snow are scarce in remote regions, such as the
Arctic. Here, Multi‐Angle Snowflake Camera measurements of over 55,000 solid …

[HTML][HTML] A comparative evaluation of snowflake particle shape estimation techniques used by the Precipitation Imaging Package (PIP), Multi-Angle Snowflake Camera …

CN Helms, SJ Munchak, A Tokay… - Atmospheric …, 2022 - amt.copernicus.org
Measurements of snowflake particle shape are important for studying snow microphysics.
While a number of instruments exist that are capable of measuring particle shape, this study …

[HTML][HTML] A differential emissivity imaging technique for measuring hydrometeor mass and type

DK Singh, S Donovan, ER Pardyjak… - Atmospheric …, 2021 - amt.copernicus.org
Abstract The Differential Emissivity Imaging Disdrometer (DEID) is a new evaporation-based
optical and thermal instrument designed to measure the mass, size, density and type of …

[HTML][HTML] Reconstruction of the mass and geometry of snowfall particles from multi-angle snowflake camera (MASC) images

J Leinonen, J Grazioli, A Berne - Atmospheric Measurement …, 2021 - amt.copernicus.org
This paper presents a method named 3D-GAN, based on a generative adversarial network
(GAN), to retrieve the total mass, 3D structure and the internal mass distribution of …

Frozen Hydrometeor Terminal Fall Velocity Dependence on Particle Habit and Riming as Observed by Vertically Pointing Radars

SY Matrosov - Journal of Applied Meteorology and …, 2023 - journals.ametsoc.org
Vertically pointing Ka-band radar measurements are used to derive fall velocity–reflectivity
factor (V t= a Z eb) relations for frozen hydrometeor populations of different habits during …

Bringing microphysics to the masses: The blowing snow observations at the University of North Dakota: Education through research (BLOWN-UNDER) campaign

A Kennedy, A Scott, N Loeb… - Bulletin of the …, 2022 - journals.ametsoc.org
Harsh winters and hazards such as blizzards are synonymous with the northern Great Plains
of the United States. Studying these events is difficult; the juxtaposition of cold temperatures …

Atmospheric and surface observations during the Saint John River experiment on cold season storms (SAJESS)

HD Thompson, JM Thériault, SJ Déry… - Earth System …, 2023 - essd.copernicus.org
The amount and phase of cold season precipitation accumulating in the upper Saint John
River basin are critical factors in determining spring runoff, ice-jams, and flooding in …