Now showing items 1-20 of 219

    • 2004 Electromagnetic fields measurement campaign 

      Montañá Puig, Juan (2005)
      Conference lecture
      Restricted access - author's decision
    • A case of winter lightning initiation from a tall structure in the Basque Country 

      López, Javier; Montañá Puig, Juan; Maruri, M.; Aranda, José Antonio; Gaztelumendi, S. (2010)
      Conference lecture
      Restricted access - author's decision
      Lightning research is usually focused on the most active months of the year, those corresponding to the summer season. These thunderstorms produce most of the lightning records during a year in the Basque Country, and ...
    • A closer look at lightning reveals needle-like structures 

      Williams, Earle R.; Montañá Puig, Juan (Macmillan Publishers, 2019-04-17)
      Article
      Open Access
      Structural features have been identified on positively charged lightning channels that are not present on negatively charged ones. The discovery could explain why these two types of channel have different behaviours.
    • A mediterranean nocturnal heavy rainfall and tornadic event. Part I: overview, damage survey and radar analysis 

      Van der Velde, Oscar Arnoud; Bech, Joan; Pineda Rüegg, Nicolau; Rigo, Tomeu; Aran, Montserrat; Amaró, Jésica; Gayà, M; Arús, J; Montañá Puig, Juan (2011-01-03)
      Article
      Restricted access - publisher's policy
      This study presents an analysis of a severe weather case that took place during the early morning of the 2nd of November 2008, when intense convective activity associated with a rapidly evolving low pressure system affected ...
    • A mediterranean nocturnal heavy rainfall and tornadic event. Part II: total lightning analysis 

      Pineda Rüegg, Nicolau; Bech, Joan; Rigo, Tomeu; Montañá Puig, Juan (2010-11-09)
      Article
      Restricted access - publisher's policy
      On the night from 1st to 2nd of November 2008, a multi-cell storm coming from the Mediterranean produced severe weather in the coastal area of Catalonia (NE Spain): groundlevel strong damaging wind gusts, a tornado – ...
    • A propagative model for simulations of electric fields produced by downward leaders 

      Hermoso Costa, Juan Ramón; Montañá Puig, Juan; March Nomen, Víctor; Van der Velde, Oscar Arnoud; Solà de las Fuentes, Glòria; Romero Durán, David; Hermoso Alameda, Blas; Pineda Rüegg, Nicolau (2012-07-13)
      Article
      Open Access
      Comparisons of simulated downward negative leaders with experimental measurements are presented in this paper. In order to simplify, the leaders are considered to progress vertically and charge distributions and leader ...
    • A propagative model for simulations of electric fields produced by downward leaders 

      Hermoso Costa, Juan Ramón; Montañá Puig, Juan; March Nomen, Víctor; Romero Durán, David; Solà de las Fuentes, Glòria; Van der Velde, Oscar Arnoud (2010)
      Conference lecture
      Restricted access - author's decision
      This paper presents simulations of a downward negative leaders performed by means of 3D finite element method (FEM). The leaders are considered do progress vertically leaders in which different charge distributions and ...
    • A simple method to estimate the return stroke current from close electric field measurements 

      Montañá Puig, Juan; Illa Arnau, Àngel; Hermoso Alameda, Blas; Romero Durán, David (2004)
      Conference lecture
      Restricted access - author's decision
      During summers 2003 and 2004 a measurement campaign was carried out over Catalonia (N-E of Spain). In these campaigns, lightning electrostatic field as well electric and magnetic fields were measured. This paper describes ...
    • A simultaneous observation of lightning by ASIM, Colombia-Lightning Mapping Array, GLM, and ISS-LIS 

      Montañá Puig, Juan; López Trujillo, Jesús Alberto; Morales Rodríguez, Carlos Augusto; Van der Velde, Oscar Arnoud; Fabró Tàpia, Ferran; Pineda, Nicolau; Navarro González, Javier; Reglero, Víctor; Neubert, Torsten; Chanrion, Olivier; Goodman, Steven J.; Østgaard, Nikolai; Ladino Rincón, Alfonso; Romero Durán, David; Solà de las Fuentes, Glòria; Horta Bernús, Ricard; Freijo Álvarez, Modesto (2021-02-17)
      Article
      Open Access
      The Atmosphere-Space Interactions Monitor (ASIM) on the International Space Station (ISS) provides optical radiances and images of lightning flashes in several spectral bands. This work presents a lightning flash simultaneously ...
    • A study of thunderstorm characteristics using lightning and weather radar observations 

      Pineda Rüegg, Nicolau; Bech, Joan; Rigo, Tomeu; Montañá Puig, Juan (2004)
      Conference lecture
      Restricted access - author's decision
      The main objective of this study was to give insight into the temporal and spatial aspects of lightning activity during the life cycle of diverse types of thunderstorms, and to examine the possible relationships with ...
    • ACCIONAMENTS I TRANSMISSIONS (Examen 2n quadrimestre, 1r parcial) 

      Montañá Puig, Juan (Universitat Politècnica de Catalunya, 2015-04-16)
      Exam
      Restricted access to the UPC academic community
    • Actividades de investigación de rayos en España 

      Montañá Puig, Juan (2009)
      Conference lecture
      Restricted access - author's decision
    • Activitat per integrar 3 competències genèriques en el grau d'electricitat 

      Bergas Jané, Joan Gabriel; Montañá Puig, Juan; Brunet Pladevall, Mònica (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2012-07-06)
      Conference report
      Open Access
      With the integration of English at university teaching, there are several aspects to improve, to emphasize, to integrate... For example, we have observed that there are a certain distance between students and teachers when ...
    • Aircraft Charging and its Influence on Triggered Lightning 

      Pavan, C.; Fontanes Molina, Pol; Urbani, Michele; Nguyen, Ngoc-Cuong; Martínez Sánchez, Manuel; Peraire Guitart, Jaume; Guerra García, Carmen; Montañá Puig, Juan (2020-01-16)
      Article
      Open Access
      This paper reports on a laboratory experiment to study the effect of vehicle net charge on theinception of a positive leader from an aircraft exposed to high atmospheric electric fields. The experimentmodels the first stage ...
    • Aliasing of the Schumann resonance background signal by sprite-associated Q-bursts 

      Guha, Anirban; Williams, Earle R.; Boldi, Robert; Satori, Gabriella; Nagy, Tamás; Bór, József; Montañá Puig, Juan; Ortega, Pascal (2017-12)
      Article
      Open Access
      The Earth's naturally occurring Schumann resonances (SR) are composed of a quasi-continuous background component and a larger-amplitude, short-duration transient component, otherwise called ‘Q-burst’ (Ogawa et al., 1967). ...
    • An observational description of a tornadic severe weather event 

      Bech, Joan; Pineda Rüegg, Nicolau; Aran, M; Amaro, J; Gayà, M; Arús, J; Montañá Puig, Juan; Van der Velde, Oscar Arnoud (2009)
      Conference lecture
      Restricted access - author's decision
      This study presents an analysis of a severe weather case study that took place during the early morning of the 2nd of November 2008, when intense convective activity associated to a rapidly evolving low pressure system ...
    • Analysis of lightning forecats in Colombia based on the lightning detection network data 

      Inampués, Juan; Aranguren Fino, Daniel; Torres, Horacio; Montañá Puig, Juan; Santoyo, Israel; Olarte, Edison; Younes, Camilo (2009-11-09)
      Conference lecture
      Restricted access - author's decision
      This paper presents an analysis of lightning warnings based on Cloud to Ground flashes information provided by the Colombian lightning locating network (RECMA) during five years. Predictions made in this analysis have ...
    • Analysis of energetic radiation associated with thunderstorms in the Ebro delta region in Spain 

      Fabró Tàpia, Ferran; Montañá Puig, Juan; Pineda Rüegg, Nicolau; Argemí Ribera, Oriol; Van der Velde, Oscar Arnoud; Romero Durán, David; Soula, Serge (2016-08-25)
      Article
      Open Access
      The analysis of high-energy background radiation (0.1 – 2 MeV) enhancements during eight winter thunderstorms and ¿ve summer storms in the Ebro delta region in the northeast of Spain is presented. For the ¿rst time, ...
    • Analysis of five Gigantic Jets observed near Réunion Island with video and photographic cameras 

      Soula, Serge; Van der Velde, Oscar Arnoud; Montañá Puig, Juan; Huet, Patrice; Barthe, Christelle; Bor, Jozsef (Elsevier, 2011)
      Conference report
      Open Access
      Five gigantic jets (GJ) have been recorded by a camera on March 7th 2010, at a very closedistance above an isolated tropical storm east of Réunion Island. Three of them were produced within about 4 minutes before the storm ...
    • Analysis of global Terrestrial Gamma Ray Flashes distribution and special focus on AGILE detections over South America 

      Fabró Tàpia, Ferran; Montañá Puig, Juan; Marisaldi, Martino; Van der Velde, Oscar Arnoud; Fuschino, Fabio (2015-03-01)
      Article
      Open Access
      Global distribution of the Terrestrial Gamma-ray Flashes (TGFs) detected by AGILE and RHESSI for the period from March 2009 to July 2012 has been analysed. A fourth TGF production region has been distinguished over the ...