Exploració per autor "Van der Velde, Oscar Arnoud"
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Analysis of thunderstorms and lightning activity associated with sprites observed during the Eurosprite campaigns: two case studies
Soula, Serge; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Mika, Agnes; Haldoupis, Christos; Neubert, Torsten; Ganot, Michael; Labbouz, Laurent (2007)
Comunicació de congrés
Accés restringit per decisió de l'autor -
Automated analysis and statistics of lightning leader speed, local flash rates and electric charge structure in thunderstorms
Van der Velde, Oscar Arnoud; Montanya, Joan; López Trujillo, Jesús Alberto (2018)
Comunicació de congrés
Accés obertWe 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 ... -
Basic lightning flash properties derived from lightning mapping array data
Montañá Puig, Juan; Pineda Ruegg, Nicolau; Van der Velde, Oscar Arnoud; Solà de las Fuentes, Glòria; Argemí Ribera, Oriol; Fabró Tàpia, Ferran; Romero Durán, David; Aranguren Fino, Daniel (2016)
Text en actes de congrés
Accés obertThe size and duration of lightning flashes are examined. Data from the Ebro Valley Laboratory Lightning Mapping Array is used as reference. Additional data from the VLF/LF LINET network is included. In the analysis, each ... -
Characteristics and conditions of production of TLEs observed over a maritime storm
Soula, Serge; Van der Velde, Oscar Arnoud; Palmiéri, J.; Chanrion, Olivier; Montañá Puig, Juan; Lefeuvre, F. (2009)
Comunicació de congrés
Accés restringit per decisió de l'autorThe coordinated European campaign of TLE observation in 2007 involved several cameras in southern France and northern Spain and lasted several months of summer, fall, and winter. Thanks to good conditions of observation ... -
Characteristics and conditions of production of transient luminous events observed over a maritime storm
Lointier, G.; Lefeuvre, F.; Soula, Serge; Van der Velde, Oscar Arnoud; Palmiéri, J.; Chanrion, Olivier; Neubert, Torsten; Montañá Puig, Juan; Gangneron, F.; Meyerfeld, Y. (2010-07-08)
Article
Accés restringit per política de l'editorialOn the night of 15/16 November 2007, cameras in southern France detected 30 transient luminous events (TLEs) over a storm located in the Corsican region (France). Among these TLEs, 19 were sprites, 6 were halos, and 5 were ... -
Characteristics of lightning flashes generating dancing sprites above thunderstorms
Soula, Serge; Mlynarczyk, Janusz; Fullekrug, Martin; Georgis, Jean-Francois; Pineda Rüegg, Nicolau; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Fabró Tàpia, Ferran (2017)
Comunicació de congrés
Accés obertDuring the night of October 29-30, 2013, a low-light video camera at Pic du Midi (2877 m) in the French Pyrénées, recorded TLEs above a very active storm over the Mediterranean Sea. The minimum cloud top temperature reached ... -
Characteristics of lightning flashes generating sprites above storms (i-DUST)
Soula, Serge; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Fullekrug, Martin; Mezentsev, Andrew; Mlynarczyk, Janusz (EDP Sciences, 2016)
Text en actes de congrés
Accés obertSprites 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. ... -
Characteristics of lightning related to wildfire ignitions in Catalonia
Pineda Rüegg, Nicolau; Montañá Puig, Juan; Van der Velde, Oscar Arnoud (2012-07-21)
Article
Accés restringit per política de l'editorialWhat are the characteristics of lightning that influence the probability that an individual stroke will ignite a wildfire? It is generally accepted that long continuing current following some return strokes is the cause ... -
Charge structure analysis of a severe hailstorm with predominantly positive cloud-to-ground lightning
Pineda Ruegg, Nicolau; Rigo, Tomeu; Montañá Puig, Juan; Van der Velde, Oscar Arnoud (2016-03-10)
Article
Accés restringit per decisió de l'autor -
Charge structure of two tropical thunderstorms in Colombia
López Trujillo, Jesús Alberto; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Pineda Rüegg, Nicolau; Salvador Yuste, Albert; Romero Durán, David; Aranguren Fino, Harby Daniel; Taborda, John (2019-04-23)
Article
Accés obertCharge 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 ... -
Climatology of transient luminous events and lightning observed above Europe and the Mediterranean Sea
Arnone, E.; Bór, József; Chanrion, Olivier; Van der Velde, Oscar Arnoud (2019-11-04)
Article
Accés obertIn 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 ... -
Comparison between high-speed video recordings of lightning and the detections of the Catalan Lightning Location Network (XDDE)
Montañá Puig, Juan; Pineda Rüegg, Nicolau; Solà de las Fuentes, Glòria; Van der Velde, Oscar Arnoud; Romero Durán, David; Aranguren Fino, Daniel (2010)
Comunicació de congrés
Accés obertLightning detections of the Catalan Lightning Location Network (XDDE) are compared with high speed video recordings carried out in Spain during summer 2009. At that time the XDDE was composed by four sensors: two SAFIR 3000 ... -
Comparison of high-speed optical observations of a lightning flash from space and the ground
Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Neubert, Torsten; Chanrion, Olivier; Ostgaard, N.; López Trujillo, Jesús Alberto; Fabró Tàpia, Ferran; Reglero Velasco, Victor (2020-10)
Article
Accés obertWe analyze a nighttime negative cloud-to-ground lightning flash in Colombia observed from the ground with a high-speed camera at 5,000 images per second and from space by the Atmosphere-Space Interactions Monitor (ASIM) ... -
Dancing sprites: detailed analysis of two case studies
Soula, Serge; Mlynarczyk, Janusz; Fullekrug, Martin; Pineda Rüegg, Nicolau; Georgis, Jean-Francois; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Fabró Tàpia, Ferran (2017-03-27)
Article
Accés obertOn 29–30 October 2013, a low-light video camera installed at Pic du Midi (2877¿m), recorded transient luminous events above a very active storm over the Mediterranean Sea. The minimum cloud top temperature reached -73°C, ... -
Des jets géants au-dessus d’un orage isolé proche de la Réunion
Soula, Serge; Huet, Patrice; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Barthe, Christelle; Bór, József (2012-05-01)
Article
Accés restringit per decisió de l'autor -
El delta de l’Ebre: mirador privilegiat per a l’observació de llamps i d’altres fenòmens elèctrics
Pineda Rüegg, Nicolau; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David (2012-06-27)
Article
Accés obertEl delta de l’Ebre presenta les característiques idònies per ser un gran laboratori a l’aire lliure per a l’observació de llamps i d’altres fenòmens elèctrics, que tenen lloc per sobre dels núvols de tempesta. Aquests ... -
Estudi de l'episodi tornàdic nocturn amb precipitacions intenses del 2 de novembre de 2008 a Catalunya
Van der Velde, Oscar Arnoud; Bech, Joan; Pineda Rüegg, Nicolau; Rigo, Tomeu; Aran, Montserrat; Amaró, Jésica; Gayà, M; Arús, J; Montañá Puig, Juan (2010)
Comunicació de congrés
Accés restringit per decisió de l'autorAquest estudi presenta una anàlisi d’un episodi de temps sever que va tenir lloc la matinada del 2 de novembre de 2008, quan la costa sud de Catalunya va estar afectada per una intensa depressió que va dur associada ... -
Evolution of gigantic jets at high temporal and spatial resolution
Van der Velde, Oscar Arnoud; Montanya, Joan; López Trujillo, Jesús Alberto (2018)
Comunicació de congrés
Accés obertGigantic 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 ... -
Fair weather induced charges and currents on tall wind turbines and experiments with kites
López Trujillo, Jesús Alberto; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Fabró Tàpia, Ferran; Romero Durán, David (Zakon Group, 2016)
Text en actes de congrés
Accés obertEarth’s atmospheric potential rapidly increases up to few tens of kilovolts below 200 m altitude. This potential drop will induce charge to tall objects at ground by virtue of electrostatic induction. In this work we ... -
First data of the Colombia Lightning Mapping Array - COLMA
López Trujillo, Jesús Alberto; Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; Aranguren Fino, Harby Daniel; Torres Sanchez, Horacio; Taborda, John; Martínez, Joaquin (Zakon Group, 2016)
Text en actes de congrés
Accés obertThe first data set of VHF lightning mapping using a Lightning Mapping Array system - LMA in a tropical region is presented in this paper. Six sensors were installed at the north of Colombia near Santa Marta city. Since ...