Daniel Vila
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Tracking a Decade of GSMaP-Derived Precipitating Systems with pyForTraCC Open
Precipitating systems (PSs) are key components of atmospheric dynamics, shaping both regional and global hydrological cycles. Accurate identification, tracking, and forecasting of these systems are essential for improving weather and clima…
Vertical Structure of Heavy Rainfall Events in Brazil Open
Intense rainfall events frequently occur in Brazil, often leading to rapid flooding. Despite their recurrence, there is a notable lack of sub-daily studies in the country. This research aims to assess patterns related to the structure and …
Vertical Structure and Microphysics Analysis from Events of Heavy Rainfall in Brazil Open
Intense rainfall events frequently occur in Brazil, often leading to rapid flooding. Despite their recurrence, there is a notable lack of sub-daily studies in the country. This research aims to assess patterns related to the structure and …
An improved near-real-time precipitation retrieval for Brazil Open
Observations from geostationary satellites can provide spatially continuous coverage at continental scales with high spatial and temporal resolution. Because of this, they are commonly used to complement ground-based precipitation measurem…
Impact of Multi-Thresholds and Vector Correction for Tracking Precipitating Systems over the Amazon Basin Open
Different algorithms for forecasting and tracking meteorological systems have been developed over the years. Many of them are used to study cloud propagation, precipitation and lightning for nowcasting. Therefore, it is necessary to define…
View article: Analysis of Extreme Rainfall and Natural Disasters Events Using Satellite Precipitation Products in Different Regions of Brazil
Analysis of Extreme Rainfall and Natural Disasters Events Using Satellite Precipitation Products in Different Regions of Brazil Open
The number of natural disasters triggered by extreme events is increasing worldwide and significantly impacts modern society. Extreme rainfall is one of the most important factors contributing to these events. A better understanding of the…
Comment on egusphere-2022-78 Open
Abstract. Observations from geostationary satellites offer the unique ability to provide spatially continuous coverage at continental scales with high spatial and temporal resolution. Because of this, they are commonly used to complement g…
An improved near real-time precipitation retrieval for Brazil Open
Observations from geostationary satellites offer the unique ability to provide spatially continuous coverage at continental scales with high spatial and temporal resolution. Because of this, they are commonly used to complement ground-base…
Daily to Sub-daily precipitation downscaling based on multiple datasets using artificial neural networks in Brazil Open
Precipitation is an extremely important variable for society. While intense and persistent rainfall are responsible for causing floods and landslides, its absence is also a factor of concern, such as droughts. For an efficient rainfall mon…
The Performance of the Diurnal Cycle of Precipitation from Blended Satellite Techniques over Brazil Open
The knowledge of the diurnal cycle of precipitation is of extreme relevance to understanding the physical/dynamic processes associated with the spatial and temporal distribution of precipitation. The main difficulty of this task is the lac…
View article: Precipitation Diurnal Cycle Assessment of Satellite-Based Estimates over Brazil
Precipitation Diurnal Cycle Assessment of Satellite-Based Estimates over Brazil Open
The main objective of this study is to assess the ability of several high-resolution satellite-based precipitation estimates to represent the Precipitation Diurnal Cycle (PDC) over Brazil during the 2014–2018 period, after the launch of th…
View article: Assessment of the Extreme Precipitation by Satellite Estimates over South America
Assessment of the Extreme Precipitation by Satellite Estimates over South America Open
In developing countries, accurate rainfall estimation with adequate spatial distribution is limited due to sparse rain gauge networks. One way to solve this problem is the use of satellite-based precipitation products. These satellite prod…
Backward Adaptive Brightness Temperature Threshold Technique (BAB3T): A Methodology to Determine Extreme Convective Initiation Regions Using Satellite Infrared Imagery Open
Thunderstorms in southeastern South America (SESA) stand out in satellite observations as being among the strongest on Earth in terms of satellite-based convective proxies, such as lightning flash rate per storm, the prevalence for extreme…
Environmental conditions associated to convective initiation of extreme convective systems over Southeastern South America Open
Many thunderstorms in Southeastern South America (SESA) stand out in satellite observations as being among the strong on Earth in terms of satellite-based convective proxies, such as lightning flash rate per storm, the prevalence for extre…
View article: Intercomparison between passive microwave precipitation estimates and ground-based radar over Brazil using SOS-CHUVA campaign dataset.
Intercomparison between passive microwave precipitation estimates and ground-based radar over Brazil using SOS-CHUVA campaign dataset. Open
The accurate measurement of precipitation is important to understand some meteorological systems. Weather systems are complex and evolve rapidly and to measure rain, snow and other types of precipitation on the ground is challenging. Howev…
Can disaster events reporting be used to drive remote sensing applications? A Latin America weather index insurance case study Open
A new data set was commissioned over Latin America with the goal of supporting decision‐making in various socioeconomic activities and, in particular, for climate insurance products. The Historical Database for Gridded Daily Precipitation …
Performance of TRMM TMPA 3B42 V7 in Replicating Daily Rainfall and Regional Rainfall Regimes in the Amazon Basin (1998–2013) Open
Knowledge and studies on precipitation in the Amazon Basin (AB) are determinant for environmental aspects such as hydrology, ecology, as well as for social aspects like agriculture, food security, or health issues. Availability of rainfall…
Assessment of Ground-Reference Data and Validation of the H-SAF Precipitation Products in Brazil Open
The uncertainties associated with rainfall estimates comprise various measurement scales: from rain gauges and ground-based radars to the satellite rainfall retrievals. The quality of satellite rainfall products has improved significantly …
Evaluation of TRMM/GPM Blended Daily Products over Brazil Open
The precipitation estimates from the Tropical Rainfall Measuring Mission (TRMM) Multi-satellite Precipitation Analysis (named TMPA and TMPA-RT for the near real-time version) are widely used both in research and in operational forecasting.…
Using Satellite Error Modeling to Improve GPM-Level 3 Rainfall Estimates over the Central Amazon Region Open
This study aims to assess the characteristics and uncertainty of Integrated Multisatellite Retrievals for Global Precipitation Measurement (GPM) (IMERG) Level 3 rainfall estimates and to improve those estimates using an error model over th…
Further evidence for CCN aerosol concentrations determining the height of warm rain and ice initiation in convective clouds over the Amazon basin Open
We have investigated how aerosols affect the height above cloud base of rain and ice hydrometeor initiation and the subsequent vertical evolution of cloud droplet size and number concentrations in growing convective cumulus. For this purpo…
Comparing parameterized versus measured microphysical properties of tropical convective cloud bases during the ACRIDICON–CHUVA campaign Open
The objective of this study is to validate parameterizations that were recently developed for satellite retrievals of cloud condensation nuclei supersaturation spectra, NCCN(S), at cloud base alongside more traditional parameterizations co…
Aerosol concentrations determine the height of warm rain and ice initiation in convective clouds over the Amazon basin Open
We have investigated how pollution aerosols affect the height above cloud base of rain and ice hydrometeor initiation and the subsequent vertical evolution of cloud droplet size and number concentrations in growing convective cumulus. For …
View article: Climatological Behavior of Precipitating Clouds in the Northeast Region of Brazil
Climatological Behavior of Precipitating Clouds in the Northeast Region of Brazil Open
This study aims to analyze the climatological classification of precipitating clouds in the Northeast of Brazil using the radar on board the Tropical Rainfall Measuring Mission (TRMM) satellite. Thus, for this research a time series of 15 …
Validation of satellite precipitation estimate with hydro-estimator technique Open
The Hydro-Estimator technique to estimate precipitation from satellite was originally developed at the National Oceanic and Atmospheric Administration / National Environmental Satellite, Data, and Information Service (NOAA / NESDIS). In Ar…
Comparing calculated microphysical properties of tropical convective clouds at cloud base with measurements during the ACRIDICON-CHUVA campaign Open
Reliable aircraft measurements of cloud microphysical properties are essential for understanding liquid convective cloud formation. In September 2014, the properties of convective clouds were measured with a Cloud Combination Probe (CCP), …
A Lagrangian analysis of cold cloud clusters and their life cycles with satellite observations Open
Cloud movement and evolution signify the complex water and energy transport in the atmosphere‐ocean‐land system. Detecting, clustering, and tracking clouds as semicoherent clusters enable study of their evolution which can complement clima…
Characteristics and Diurnal Cycle of GPM Rainfall Estimates over the Central Amazon Region Open
Studies that investigate and evaluate the quality, limitations and uncertainties of satellite rainfall estimates are fundamental to assure the correct and successful use of these products in applications, such as climate studies, hydrologi…
View article: ACRIDICON–CHUVA Campaign: Studying Tropical Deep Convective Clouds and Precipitation over Amazonia Using the New German Research Aircraft HALO
ACRIDICON–CHUVA Campaign: Studying Tropical Deep Convective Clouds and Precipitation over Amazonia Using the New German Research Aircraft HALO Open
Between 1 September and 4 October 2014, a combined airborne and ground-based measurement campaign was conducted to study tropical deep convective clouds over the Brazilian Amazon rain forest. The new German research aircraft, High Altitude…