Monday, 18 October 2010
(Room C2, WMO)

08:00-08:30 Morning Coffee and Registration
08:30-08:45 Workshop opening ceremony
H. Puempel (WMO, Switzerland)
Session 1A – Tephra dispersal models
Convener: A. Folch (BSC-CNS, Spain)
08:45-09:00 Introduction to the session
A. Folch (BSC-CNS, Spain)
09:00-09:15 B. Stunder (NOAA, USA)
HYSPLIT model description and operational set up
09:15-09:30 P. Webley (University of Alaska Fairbanks, USA)
The Puff VATD model, forecasting ash clouds in North Pacific and its ability to provide situational awareness of ash cloud hazards)
09:30-09:45 M. Hort (Met. Office, London VAAC, UK)
NAME - The Met Office Lagrangian Dispersion Model
09:45-10:00 A. Peuch (Meteo France, Toulouse VAAC, France)
The MOCAGE-accident transport and dispersion tool in support of Toulouse VAAC operations
10:00-10:15 R. D’Amours (Canadian Met. Centre, Montreal VAAC, Canada)
MLDP0: The Canadian Atmospheric Lagrangian Particle Dispersion Model Used in Support to Montréal VAAC Operations
10:15-10:30 A. Costa (INGV Napoli, Italy)
FALL3D: An Eulerian model for transport and deposition of volcanic ash
10:35-11:15 Coffee Break
11:15-11:30 N. Kristiansen (NILU, Norway)
FLEXPART modelling of volcanic clouds
11:30-11:45 S. Barsotti (INGV Pisa, Italy)
VOL-CALPUFF: a hybrid Eulero-Lagrangian model for volcanic ash dispersal and deposition
11:45-12:00 H. Graf (University of Cambridge, UK)
The Active Tracer High resolution Atmospheric Model ATHAM: Model Philosophy and some Results
12:00-12:15 L. Mastin (USGS, USA)
Development of a new USGS Finite-volume model for tephra transport and deposition
12:15-12:30 M. Bursik (University at Buffalo, USA)
Ensemble modelling of Eyjafjalla plumes: eruption column input
12:45-14:30 Lunch (WMO cafeteria)
Session 1B – Tephra dispersal models
Open discussion
14:45–16:15 Break-out sessions
Discussion of Models Summary Document
Improvement of forecasting strategy: model ensemble forecast, probabilistic forecast
Sensitivity analysis of models
Research priorities
16.15-16:45 Coffee Break)
16:45-17:45 Plenary discussion
Mediator: M. Watson (University of Bristol, UK)
17:45 Closing of first day of conference
(A.Folch, BSC-CNS, Spain)
18:00-19:00 Icebreaker (WMO cafeteria)

Tuesday, 19 October 2010
(Room C2, WMO)

Session 2A – Model input data and measurement techniques
Convener: C. Bonadonna (University of Geneva, Switzerland)
08:30-08:50 Introduction to the session
C. Bonadonna (University of Geneva, Switzerland)
08:50-09:10 T. Thordarson (University of Edinburgh, UK)
Sequence of events and tephra dispersal during the 14 April-23 May 2010 summit eruption at Eyjafjoll volcano, Iceland
09:10-09:30 A. Hoskuldsson (University of Iceland, Iceland)
Ash transport and ash collection during the 2010 Eyjafjallajökull eruption
09:30-09:50 S. Karlsdóttir (IMO, Iceland)
The volcanic eruption in Eyjafjallajökull 2010; an overview of the monitoring of the eruption plume
09:50-10:10 M. Ripepe (University of Florence, Italy)
Insights on plume dynamics by infrasound and thermal data
10:10-10:30 G. Pappalardo (CNR Potenza, Italy)
EARLINET vertically resolved observations of volcanic events
10:30-10:50 M. Pavolonis (NOAA/NESDIS, USA)
Automated infrared retrievals of volcanic ash cloud properties
10:50-11:20 Coffee Break
11:20-11:40 M. Gouhier (Université Blaise Pascal and CNRS, France)
From real-time monitoring to quantification: Insights from ground-based Doppler radar (VOLDORAD) and MSG-SEVIRI satellite.
11:40-12:00 S. Scollo (INGV Catania, Italy)
3D volcanic aerosol dispersal: a comparison between MISR data and numerical Simulations
12:00-12:20 M. Watson (University of Bristol, UK)
Remote observations of volcanogenic S-bearing species
12:20-12:50 K. Weber (University of Dusseldorf, Germany)
In-situ measurements of the Eyjafjallojökull ash plume with small aircrafts and optical particle spectrometers over north-western Germany and Iceland - comparison between the aircraft measurements and the VAAC-model
12:50-13:10 A. Durant (University of Cambridge., UK)
Detection of particle aggregation
13:10-14:30 Lunch (WMO cafeteria)
Session 2B – Input data and measurement techniques
Open discussion
14:45-16:15 Break-out sessions
Discussion of Data Acquisition Summary Document
Data assimilation strategies
Uncertainty on data acquisition
Improvement of forecasting strategy: ensemble forecasting on initial conditions
Can eruption parameters be standardized?
Synergistic approach to data acquisition
Research priorities
16.15-16:45 Coffee Break
16:45-17:45 Plenary discussion
Mediator: J. Phillips (University of Bristol, UK)
17:45 Closing of second day of conference
C. Bonadonna (University of Geneva, Switzerland)

Wednesday, 20 October 2010
(Room C2, WMO)

Session 3A– Decision making during volcanic crisis
Convener: T. Casadevall (USGS, USA)
08:30-08:50 Introduction to the session
T. Casadevall (USGS, USA)
08:50-09:10 H. Puempel (WMO, Switzerland)
How can better observations and forecasts of volcanic ash reduce the impact of eruptions on the aviation industry and the flying public
09:10-09:30 M. Hort (Met. Office, London VAAC, UK)
The Eyjafjallajökull eruption April-May 2010: A view from the Met Office
NAME - The Met Office Lagrangian Dispersion Model
09:30-09:50 H. Coe (University of Manchester, UK)
The UK Consortium during the 2010 Eyjafjallajökull eruption
09:50-10:10 S. Loughlin (British Geological Survey, UK)
International data acquisition and coordination
10:10-10:30 M. Coltelli (INGV Catania, Italy)
Long-lasting volcanic ash clouds disrupting air transportation; how to handle them for a sustainable mobility: the case of 2002 Etna eruption
10:30-10:50 F. Sgro (ENAV, Italy)
The development of the information management, in the new scenario, of airspace contamination by volcanic ash
11:00-11:30 Coffee Break
Session 3B – Decision making during volcanic crisis
Open discussion
11:30-13:15 Break-out sessions
Improvement of communication within individual communities (volcanological, meteorological, civil aviation)
Improvement of communication amongst different communities (volcanological, meteorological, civil aviation)
13:15-14:30 Lunch (WMO cafeteria)
Session 3B – Decision making during volcanic crisis
Open discussion
14:45-16:00 Plenary discussion
Mediator: S. Loughlin (British Geological Survey, UK)
16.00-16:30 Coffee Break
16:30-17:30 Plenary discussion (Summary of days 1 and 2 break-out sessions)
Mediator: L. Mastin (USGS, USA)
A. Folch and C. Bonadonna (presentation of main points to include in consensual document)
Consensual document (models and data)
17:30 Closing of Conference
H. Puempel (WMO)
20:00 Closing dinner (Restaurant Les Armures, Old Town)