Event of intense precipitations which occurred over southern France and northern Italy from 4 to 6 November 1994 has been studied by means of an atmospheric Limited Area Model (LAM). The aim of this work is to analyse the behaviour of the model in order to evaluate its performance. The model used is called Eta model (1993 version) originally developed through joint effort between Belgrade University and NMC (National Meteorological Center), Washington, USA. Eta model belongs to the class of LAM and it is currently operational at NMC. Initial and boundary conditions are obtained from ECMWF (European Center for Medium-range Weather Forecasting), Reading, UK, while orographic values are obtained from US Navy dataset. Eta model gives total precipitation cumulated over a specified time interval, as well as common meteorological fields. Both usual synoptic fields and cumulated precipitations over 24 hours and comparisons with observational data for Piedmont are shown for the above 3 day period.
Intense precipitation as simulated by a limited area model / S., Marchesi; Morelli, Sandra; Stortini, Michele. - In: PHYSICA MEDICA. - ISSN 1120-1797. - STAMPA. - 12:(1996), pp. 251-257.
Intense precipitation as simulated by a limited area model
MORELLI, Sandra;STORTINI, Michele
1996
Abstract
Event of intense precipitations which occurred over southern France and northern Italy from 4 to 6 November 1994 has been studied by means of an atmospheric Limited Area Model (LAM). The aim of this work is to analyse the behaviour of the model in order to evaluate its performance. The model used is called Eta model (1993 version) originally developed through joint effort between Belgrade University and NMC (National Meteorological Center), Washington, USA. Eta model belongs to the class of LAM and it is currently operational at NMC. Initial and boundary conditions are obtained from ECMWF (European Center for Medium-range Weather Forecasting), Reading, UK, while orographic values are obtained from US Navy dataset. Eta model gives total precipitation cumulated over a specified time interval, as well as common meteorological fields. Both usual synoptic fields and cumulated precipitations over 24 hours and comparisons with observational data for Piedmont are shown for the above 3 day period.
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