Results 41 to 50 of about 3,487 (215)

A new method to identify and explain sources of precipitation modification, illustrated for the western Netherlands

Quarterly Journal of the Royal Meteorological Society, EarlyView.
This study develops a method to identify the source areas of precipitation events, as illustrated for the western part of the Netherlands. Radar‐based precipitation data are traced back to their source areas and machine‐learning techniques are used to identify hypothesized causes: urban heat, surface roughness, and air pollution. We find that urban and
Jelmer van der Graaff, Gert‐Jan Steeneveld   +1 more
wiley   +1 more source

Sensitivity of a Bowing Mesoscale Convective System to Horizontal Grid Spacing in a Convection-Allowing Ensemble

Atmosphere, 2020
The bow echo, a mesoscale convective system (MCS) responsible for much hail and wind damage across the United States, is associated with poor skill in convection-allowing numerical model forecasts.
John R. Lawson, William A. Gallus, Corey K. Potvin   +2 more
doaj   +1 more source

Holes in Optical Lightning Flashes: Identifying Poorly Transmissive Clouds in Lightning Imager Data

Earth and Space Science, 2021
Space‐based optical lightning sensors including the lightning imaging sensor (LIS) and geostationary lightning mapper (GLM) are pixelated imagers that detect lightning as transient increases in cloud top illumination. Detection requires optical emissions
Michael Peterson
doaj   +1 more source

NowPrecip 2: Precipitation nowcasting in the complex terrain of Switzerland. Part II: Verification

Quarterly Journal of the Royal Meteorological Society, EarlyView.
In this work we present the verification of the NowPrecip precipitation nowcasting systems (version 1 and version 2). Using 3.5 years of data over the period 2020–2023, their performance is compared with PySTEPS and the ICON numerical weather prediction ensemble by computing deterministic and probabilistic metrics.
A. Ntoumos, I. V. Sideris, A. Berne, A. Hering, P. Juda, M. Gabella, M. Boscacci, L. Clementi, U. Germann   +8 more
wiley   +1 more source

Advances towards the development of a cloud-resolving model in South Africa

South African Journal of Science, 2014
Recent advances in supercomputing have made feasible the numerical integration of high-resolution cloud-resolving models (CRMs). CRMs are being used increasingly for high-resolution operational numerical weather prediction and for research purposes.
Mary-Jane M. Bopape, Francois A. Engelbrecht, David A. Randall, Willem A. Landman   +3 more
doaj   +1 more source

Characterization of synoptic environment for mesoscale convective systems over South Korea using ERA5 reanalysis data

Quarterly Journal of the Royal Meteorological Society, EarlyView.
In this study, the synoptic conditions for modes of mesoscale convective systems (MCSs) in South Korea are generalized based on composite analysis. The preferred precipitation region, synoptic patterns, moisture transport, sea surface temperature and thermodynamic and dynamic instabilities are characterized according to four modes: convective cells (CC)
Jeong‐Eun Lee, GyuWon Lee
wiley   +1 more source

Reassessing sixteenth and seventeenth century written accounts of hurricanes in the North Atlantic Ocean and the Caribbean Sea

Weather, EarlyView.
Abstract While the North Atlantic’s five‐century hurricane history is among the most complete globally, the earliest centuries are poorly documented in the written record. This study reassesses a subset of sixteenth to seventeenth‐century tropical cyclones (TCs) through a systematic review of archival evidence, mainly from Spain’s colonial archive, the
William Gomez Pretel, Michael Chenoweth
wiley   +1 more source

Fatal lightning strikes in Ireland from newspaper records 1900–2024

Weather, EarlyView.
This study presents a chronology of fatal lightning strikes in Ireland (1900–2024) derived from digitised newspaper archives. Analysis provides insights into the seasonality, location, victim activity and synoptic conditions (from Lamb weather types) of 94 fatal events causing 113 deaths.
Rory Moore, Conor Murphy, Rowan Fealy
wiley   +1 more source

Extreme rainfall in southern China in April 2024 and its potential link to weather events across south Asia

Weather, EarlyView.
This study documents the unseasonal and prolonged heavy rain events which occurred in southern China during April 2024. In this series of extreme rainfall events, Guangdong province recorded extreme rainfall exceeding 6‐sigma of climatology, with eleven cities reporting record‐breaking rainfall.
Wai‐Po Tse, Chun‐Wing Choy, Pak‐Wai Chan   +2 more
wiley   +1 more source

Do the public take action when a severe snow warning is issued?

Weather, EarlyView.
Extreme weather events pose significant risks to the population, making timely warnings essential for preparedness. The UK Met Office’s National Severe Weather Warning Service (NSWWS) has issued impact‐based alerts for over a decade, yet evaluations of their effectiveness remain limited.
Helen Dacre, Rachel McCloy, Joi Alon
wiley   +1 more source