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Evolution of gigantic jets at high temporal and spatial resolution
(2018)
Comunicació de congrés.
Accés obert
Comunicació de congrés.
Accés obert
Gigantic Jets (GJ) are lightning discharges between the cloud and the lower ionosphere,
which manifest as leaders at low altitude and transition to streamers as they rise in altitude. The evolution
has never been imaged ...
Climatology of transient luminous events and lightning observed above Europe and the Mediterranean Sea
(2019-11-04)
Article.
Accés obert
Article.
Accés obert
In 1999, the first sprites were observed above European thunderstorms using sensitive cameras. Since then, Eurosprite campaigns have been conducted to observe sprites and other transient luminous events (TLEs), expanding ...
Characteristics of lightning flashes generating sprites above storms (i-DUST)
(EDP Sciences, 2016)
Text en actes de congrés.
Accés obert
Text en actes de congrés.
Accés obert
Sprites are Transient Luminous Events (TLEs) that can extend vertically from 40 to 90 km and horizontally over several tens of km to form clusters of individual or multiple column or/and carrot-shaped luminous elements. ...
On the TGF/lightning ratio asymmetry
(2019-05-14)
Article.
Accés obert
Article.
Accés obert
Africa is one of the most productive lightning regions on Earth, yet it has a lower TGF-to-lightning ratio especially compared with Central America. In this paper we have analyzed the global distribution of different ...
Observations of the relationship between sprite morphology and in-cloud lightning processes
(2006-08-04)
Article.
Accés obert
Article.
Accés obert
[1] During a thunderstorm on 23 July 2003, 15 sprites were captured by a LLTV camera mounted at the observatory on Pic du Midi in the French Pyrénées. Simultaneous observations of cloud-to-ground (CG) and intracloud (IC) ...
Charge structure of two tropical thunderstorms in Colombia
(2019-04-23)
Article.
Accés obert
Article.
Accés obert
Charge structure derived from lightning leader development of tropical thunderstorms comprising equatorial latitudes of < ±10° has not been investigated yet. In this work, using a Lightning Mapping Array (LMA) installed ...
Automated analysis and statistics of lightning leader speed, local flash rates and electric charge structure in thunderstorms
(2018)
Comunicació de congrés.
Accés obert
Comunicació de congrés.
Accés obert
We introduce new methods for the analysis of complex three-dimensional lightning data produced by
Lightning Mapping Arrays and illustrate them by cases of a mid-latitude severe weather producing
thunderstorm and a tropical ...
Statistics and variability of the altitude of elves
(2016-05-07)
Article.
Accés obert
Article.
Accés obert
From June 2008 to January 2016 nearly 800 elves have been recorded by a low-light camera in northeastern Spain. Elves occur in this region mainly over the lower-topped cold airmass maritime thunderstorms, peaking from ...
High spectral resolution spectroscopy of sprites: A natural probe of the mesosphere
(2018-02-06)
Article.
Accés obert
Article.
Accés obert
We present the first high spectral resolution (0.24 nm) spectra of sprites. These spectra were recorded in Europe in the summers and falls of 2015 and 2016 and during January 2017. The use of high-spectral resolution has ...
Small scale simulation of lightning using vertical wires deployed by drones: on the land and sea peak current asymetry
(2022)
Text en actes de congrés.
Accés restringit per política de l'editorial
Text en actes de congrés.
Accés restringit per política de l'editorial
In this work we simulate lightning by means of vertical wires deployed by a multirotor drone under fair weather conditions. These wires, when isolated from ground, acquire an electric potential by virtue of electrostatic ...