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Pierre DANIELMétéo-France
Technologies for Search, Assistance and RescueBrest, France, 18-19-20 October 2004
The Météo-France operationalSAR model
Met-ocean support & drift forecastMarine pollutions, containers & SAR
Permanent & Global support since 1994(marine pollutions) and 1996 (containers& SAR)
Operated by skilled forecaster on duty
A trained French organisation: PréfetsMaritimes / Cedre / Météo-France /CROSS
The Météo-France operational SAR modelThe Météo-France operational SAR model
MOTHY drift systemHydrodynamic ocean model + Trajectory modelDirect access to weather forecasts ; forecaster’s validation
Observations
Pollutant/objectbehaviourDynamics
Forecasts
Forecaster
In a fighting loop
Forces on a drifting object• Wind• Surface current• Waves (not
included)
• A key parameter:immersion rate
The Météo-France operational SAR modelThe Météo-France operational SAR model
Containers
The Météo-France operational SAR modelThe Météo-France operational SAR model
Various objects
Forecast valid for 05/02/02
•
Search and rescue: sailing yacht
The Météo-France operational SAR modelThe Météo-France operational SAR model
An increasing demand
The Météo-France operational SAR modelThe Météo-France operational SAR model
February 1994 - October 12, 2004
0
20
40
60
80
100
120
1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
hydrocarbonobject
Search objects (2004)
The Météo-France operational SAR modelThe Météo-France operational SAR model
person in water37%
small craft12%
ship/yacht16%
container14%
other object12%
whale9%
Who ask for? (2004)
CROSS Gris Nez18%
CROSS Corsen10%
CROSS Etel10%
CROSS La Garde23%
PREMAR10%
CEDRE10%
Météo-France19%
The Météo-France operational SAR modelThe Météo-France operational SAR model
Search locations
The Météo-France operational SAR modelThe Météo-France operational SAR model
Person in water
Craft
Object (container)
whale
The Météo-France operational SAR modelThe Météo-France operational SAR model
IN SITU
SATELLITE
MODELISATIONASSIMILATIONJASON
CORIOLIS
Work in progressImprovement of the hydrodynamics: large scale currents
(Mercator, FOAM, MFS).
The Météo-France operational SAR modelThe Météo-France operational SAR model
Work in progress
Men in water: 12 days drift
Work in progress and forecasted
• Survey of the needs: a questionnaire for theCROSS
• Model improvement: object shape,hydrodynamics: large scale currents (Mercator,FOAM…), waves, coastal effects
• A need for reliable observations
• Collaborative frameworks
The Météo-France operational SAR modelThe Météo-France operational SAR model
The end
