M. Rossi, S. Peruccacci, M.T. Brunetti, I. Marchesini, S. Luciani, F. Ardizzone, V. Balducci, C. Bianchi, M. Cardinali, F. Fiorucci, A.C. Mondini, P. Reichenbach, P. Salvati, M. Santangelo, D. Bartolini, S.L. Gariano, M. Palladino, G. Vessia, A. Viero, L. Antronico, L. Borselli, A.M. Deganutti, G. Iovine, F. Luino, M. Parise, M. Polemio, F. Guzzetti, G. Tonelli, 2012, SANF: National warning system for rainfall-induced landslides in Italy, 11th International Symposium on Landslides (ISL) and the 2nd North American Symposium on Landslides, Banff, Canada, 2012,
URL: http://www.cnr.it/prodotto/i/193230

In Italy, rainfall-induced slope failures occur every year, claiming lives and causing severe economic damage. We have designed and implemented a landslide warning system, named SANF (an acronym for national early warning system for rainfall-induced landslides), to forecast the possible occurrence of rainfall-induced landslides in Italy. The system is based on_ (i) rainfall thresholds for pos- sible landslide occurrence, (ii) sub-hourly rainfall measurements obtained by a national network of 1950 rain gauges, and (iii) quantitative rainfall forecasts. Twice a day, the system compares the measured and the forecasted rainfall amounts against pre-defined ID thresholds, and assigns to each rain gauge a prob- ability of landslide occurrence. This information is used to prepare synoptic-scale maps showing where rainfall-induced landslides are expected in the next 24 hours.

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