Extended Abstracts
from the MAP Meeting in Hall 1996

Note from the Editors

We are very pleased that many of you have contributed to the Newsletter by submitting two-page extended abstracts. We believe these abstracts are an important part of the MAP Newsletter, and will also be encouraged in future issues. However, as a result of the large number of submitted abstracts, we will no longer be able to do the layout for you, but kindly ask you to submit extended two-page abstracts in camera-ready format only. Please use one of the templates provided at the MAP Data Centre (currently available for MS Word, Latex and FrameMaker).

Session I

M. Dorninger and M. Hantel: Total Convective Heat Fluxes for Different
Weather Situations. 20

Ch. Frei, D. Lüthi, H.C. Davies, C. Schär: Heavy Precipitation in the Alpine
Region and its Sensitivity to Putative Global Warming. 22

A. Jansa, R. Riosalido, O. Carretero: Mesoscale Cyclones vs Heavy Rain and
MCS in the Western Mediterranean. 24

E. Eccel: Twenty Years of Hail Measurements in Trentino: an Analysis of Hailstorm
Energies with Regard to Intense Events. 26

G. Panegrossi, C.Accadia, S. Dietrich, F.S. Marzano, A. Mugnai: On the Combined
Use of Cloud Mesoscale Models and Passive Microwave Measurements for Rainfall
Rate Retrieval. 28

V. Levizzani, M. Setvak, R.A. Rabin, P.K. Wang: Storm Top Structure as Seen
from NOAA-AVHRR Imagery: a Need for Interpretation. 30

S. Chauzy, S. Coquillat, J.F. Georgis, G. Molinié, H. Sauvageot, S. Soula:
Precipitations and Thunderstorm Electricity. 32

R. Richiardone: Gravity-Wave Activity During 1994 Piedmont Flood. 34

Session II

R. Benoit, M. Desgagné: Further Non-Hydrostatic Modelling of the Brig 1993
Flash Flood Event. 36

A. Buzzi, N. Tartaglione: Some Aspects of the Piedmont Flood: Frontal Splitting and
Role of Humid Processes. 38

F. Uboldi, A. Buzzi, R. Pelosini, G. Poggi: On the Impact of 3-d Analysis of Conventional
Observations on the Simulation of a Case of Intense Precipitation South of the Alps. 40

L. Mariani, V. Menichini, G.P. Minardi: Circulation Types and Extreme Precipitation
Events in Lombardy. 42

H. Volkert, M. Hagen: Deep Convection at the Northern Edge of the Alps. SETEX Case
of 4 July 1994. 44

P. Frontero, L. Lombroso, S. Pugnaghi, R. Santangelo, A. Buzzi, T. Pagganella,
P. Binder
: Heavy Precipitation over the Ligurian Area. The Case of 4-6 October 1995. 46

S. Marchesi, S. Morelli, M. Stortini: Some Relevant Aspects of the Atmospheric Flow
in the Period 3-6 November 1994. 48

R. Ferretti, P. Antonelli, G. Visconti: Preliminary Results of the Piedmont Flood of
4-6 November 1994. 50

G. Mayr: Of Foehn, Cold Pools in a Valley, and Bifurcations. 52

A. Gohm, G. Mayr: Summary of Alpine South-Foehn Climatologies. 54

M. Leutbecher: Hydostatic Flow over Isolated Ellipsoidal Mountains: Locations of Flow
Reversal and Wavebreaking. 56

M.H. Bauer: 3-d Numerical Simulations of the Influence of the Aspect Ratio on Flow
over and around a Mesoscale Mountain. 58

Session III

J. Egger: Horizontal Momentum Transport by Mountain Induced Gravity Waves. 61

M. Lehning, H. Richner: Vertical Transport of Momentum and Scalars over the Alps,
the Swiss Plateau and Hong Kong. 62

W. Poettschacher, R. Steinacker, M. Dorninger: VERA - A High-Resolution Analysis
Scheme for the Atmosphere over Complex Terrain. 64

M. Menziani, S. Pugnaghi, M.R. Rivasi, R. Santangelo, S. Vicenzi: Hydrological and
Thermal Soil Profile Measurements useful for Near-Surface Layer Meteorology. 66

Session V

U. Aebischer, C. Schär: Low-Level Potential Vorticity and Cyclogenesis to the Lee
of the Alps. 68

O. Morgenstern, H.C. Davies: Trajectory-Based Budget Calculations for Flow over the Alps. 70

B. Ivancan-Picek, V. Tutis: Influence of Orography on Subsynoptic Storm Development. 72

J. Vergeiner: On Mountain-Induced Changes of the Cross-Frontal Circulation. 74

S. Emeis: The New Boundary-Layer Working Group within MAP: Past and Future
Research on the Alpine Boundary-Layer. 76



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