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Hail in Northeast Italy: Climatology and Bivariate Analysis with the Sounding-Derived Indices
Publisher: American Meteorological Society
Abstract: n this work the hailpad data collected during the April?September period of the years 1992?2009 by a network of approximately 360 stations on the plain of the Friuli Venezia Giulia region (northeast Italy) were analyzed. ...
A Verification of Numerical Model Forecasts for Sounding-Derived Indices above Udine, Northeast Italy
Publisher: American Meteorological Society
Abstract: In this work, 40 different indices derived from real soundings and the corresponding ECMWF model forecasts for the same location (near Udine, northeast Italy) are compared. This comparison is repeated for more than 500 ...
The Use of Sounding-Derived Indices for a Neural Network Short-Term Thunderstorm Forecast
Publisher: American Meteorological Society
Abstract: In this paper several indices derived from atmospheric sounding data are used to develop a short-term thunderstorm forecast tool. The Udine (Italy) sounding (WMO code 16044, taken every 6 h, hereafter 6 h) is used to ...
An Odds Ratio Parameterization for ROC Diagram and Skill Score Indices
Publisher: American Meteorological Society
Abstract: The relative operating characteristic (ROC) diagram is often used to assess the performance of a classification system, like the categorical forecast of an event occurrence. Categorical forecasting can be obtained by ...
A Note On the Maximum Peirce Skill Score
Publisher: American Meteorological Society
Abstract: Binary classifiers are obtained from a continuous predictor using a threshold to dichotomize the predictor value into event occurrence and nonoccurrence classes. A contingency table is associated with each threshold, and ...
Hail in Northeast Italy: A Neural Network Ensemble Forecast Using Sounding-Derived Indices
Publisher: American Meteorological Society
Abstract: n a previous work, the hailpad data collected over the plain of the Friuli Venezia Giulia region in northeast Italy during the April?September 1992?2009 period were studied through a bivariate analysis with 52 sounding-derived ...
Cloud-to-Ground Lightning Distribution and Its Relationship with Orography and Anthropogenic Emissions in the Po Valley
Publisher: American Meteorological Society
Abstract: he main object of this work is to study the lightning climatology in the Po Valley in Italy and how it varies in time (interannual, annual, weekly, and daily time scales) and space (sea coast, plains, and mountain areas) ...
Evaluation of Thunderstorm Predictors for Finland Using Reanalyses and Neural Networks
Publisher: American Meteorological Society
Abstract: AbstractThis work evaluates numerous thunderstorm predictors and investigates the use of artificial neural networks (ANNs) for identifying occurrences of thunderstorms in reanalysis data. Environmental conditions favorable ...
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