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Thunderstorm Nowcasting by Means of Lightning and Radar Data: Algorithms and Applications in Northern Italy : Volume 8, Issue 5 (28/10/2008)

By Bonelli, P.

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Book Id: WPLBN0003992619
Format Type: PDF Article :
File Size: Pages 12
Reproduction Date: 2015

Title: Thunderstorm Nowcasting by Means of Lightning and Radar Data: Algorithms and Applications in Northern Italy : Volume 8, Issue 5 (28/10/2008)  
Author: Bonelli, P.
Volume: Vol. 8, Issue 5
Language: English
Subject: Science, Natural, Hazards
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2008
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Bonelli, P., & Marcacci, P. (2008). Thunderstorm Nowcasting by Means of Lightning and Radar Data: Algorithms and Applications in Northern Italy : Volume 8, Issue 5 (28/10/2008). Retrieved from http://worldpubliclibrary.org/


Description
Description: CESI RICERCA, Milano, Italy. Thunderstorms and their ground effects, such as flash floods, hail, lightning, strong winds, and tornadoes, are responsible for most weather damages in northern Italy, especially in the warm season from May to September. A nowcasting and warning system focused on severe thunderstorm events would be useful to reduce risks for people involved in outside activities and for electric, telecommunication, and sensitive industrial business. C-band radar and Lighting Location Systems provide useful, fast and high resolution data for the detection of convective systems and for following their dynamics. The whole of northern Italy is covered by radar with a resolution of 1 km and by a lightning network with a mean accuracy of 0.5 km on the single point of impact. The authors present an algorithm developed for tracking high intensity storm cells by means of radar and lightning data. Application to northern Italy reveals that tracking thunderstorm cells can be used as an alert system that may help prevent damages from extreme weather, as well as allowing for studying the correlation among lightning, rainfall and tornado occurrence. Assessing the algorithm skill is also discussed, and a forecast verification method is described and applied for the duration of a thunderstorm season.

Summary
Thunderstorm nowcasting by means of lightning and radar data: algorithms and applications in northern Italy

Excerpt
Dixon, M. and Wiener, G.: TITAN: Thunderstorm Identification, Tracking, Analysis and Nowcasting – A Radar-based Methodology, J. Atmos. Oceanic Technol., 10, 785–795, 1993.; Hering, A. M., Morel, C., Galli, G., Sénési, S., Ambrosetti, P., and Boscacci M.: Nowcasting thunderstorms in the Alpine region using a radar based adaptive thresholding scheme, Proceedings of Third European Conference of Radar in Meteorology and Hydrology (ERAD), available on http://www.copernicus.org/, September 2004.; Hering, A. M., Sénési, S., Ambrosetti, P., and Bernard-Bouissières, I.: Nowcasting Thunderstorms in complex cases using radar data, World Weather Research Programme Symposium on Nowcasting and Very Short Range Forecasting (WSN05), Toulouse, 5–9 September 2005.; Bernardi, M. and Ferrari, D.: Evaluation of the LLS efficiency effects on the ground flash density, using the Italian lightning detection system SIRF, J. Electrostatics, 60(2–4), 131–140, 2004.; Bertato, M., Giaiotti, D. B., Manzato, A., and Stel, F.: An interesting case of tornado in Friuli-Northeastern Italy, Atmos. Res., 67–68, 3–21, 2003.; Bertram, I. and Mayr, G. J.: Lightning in the eastern Alps 1993–1999, part I: Thunderstorm tracks, Nat. Hazards Earth Syst. Sci., 4, 501–511, 2004.; Bluestein,~H. B. and MacGorman,~D. R.: Evolution of cloud-to-ground lightning characteristics and storm structure in the spearman, Texas, tornadic supercells of 31 May 1990, Mon. Weather Rev., 126(6), 1451–1467, 1998.; Demetriades, N. W. S., Murphy, M. J., and Holle, R. L.: Long Range Lightning Nowcasting Applications for Meteorology, World Weather Research Programme Symposium on Nowcasting and Very Short Range Forecasting (WSN05), Toulouse, 5–9 September 2005.; Johnson, J. T., MacKeen, P. L., Witt, A., Mitchell, E. D., Stumpf, G. J., Eilts, M. D., and Thomas, K. W.: The Storm Cell Identification and Tracking Algorithm: An Enhanced WSR-88D Algorithm, Weather Forecast., 13, 263–276, 1998.; Joss, J., Schadler, B., Galli, G., Cavalli, R., Boscacci, M., Held, E., Della Bruna, G., Kappenberger, G., Nespor, V., and Spiess, R.: Operational Use of Radar for Precipitation Measurements in Switzerland, NFP31: Projekt NOWRAD, Meteo Swiss, Locarno, 108 pp., 1997.; Kunz, M.: The skill of convective parameters and indices to predict isolated and severe thunderstorms, Nat. Hazards Earth Syst. Sci., 7, 327–342, 2007.; MacGorman, D. R. and Rust, W. D.: The electrical nature of storm, Oxford University Press, 422 pp., 1998.; Poli, V., Alberoni, P. P., Paccagnella, T., and Cesari, D.: Preliminary results of the comparison of two advection methods, World Weather Research Programme Symposium on Nowcasting and Very Short Range Forecasting (WSN05), Toulouse, 5–9 September 2005.; Tessendorf, S. A., Miller, L. J., Wiens K. C., and Rutledge, S. A.: The 29 June 2000 Supercell Observed during STEPS. Part I: Kinematics and Microphysics, J. Atmos. Sci., 62(12), 4151–4177, 2005.; Wilson, J. W., Crook, N. A., Mueller, C. K., Sun, J., and Dixon, M.: Nowcasting Thunderstorms: A Status Report, B. Am. Meteorol. Soc., 79(10), 2079–2099, 1998.; Wilson, J. W.: Precipitation nowcasting: Past, Present and Future, Sixth International Symposium on Hydrological Application of Weather Radar, Melbourne, Australia, 2–4 February 2004.; Xu, G. and Chandrasekhar, V.: Radar storm motion estimation and beyond: a spectral algorithm and Radar observation based dynamic model, World Weather Research Programme Symposium on Nowcasting and Very Short Range Forecasting (WSN05), Toulouse, 5–9 September 2005.

 

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