The MtoFrance operational SAR model Pierre DANIEL MtoFrance

The Météo-France operational SAR model Pierre DANIEL Météo-France Technologies for Search, Assistance and Rescue Brest, France, 18 -19 -20 October 2004

Met-ocean support & drift forecast Marine pollutions, containers & SAR Permanent & Global support since 1994 (marine pollutions) and 1996 (containers & SAR) Operated by skilled forecaster on duty A trained French organisation: Préfets Maritimes / Cedre / Météo-France / CROSS The Météo-France operational SAR model

MOTHY drift system Hydrodynamic ocean model + Trajectory model Direct access to weather forecasts ; forecaster’s validation In a fighting loop Pollutant/object Dynamics behaviour Forecaster Observations Forecasts

Forces on a drifting object • Wind • Surface current • Waves (not included) • A key parameter: immersion rate The Météo-France operational SAR model

Containers

Various objects • Forecast valid for 05/02/02 The Météo-France operational SAR model

Search and rescue: sailing yacht The Météo-France operational SAR model

An increasing demand The Météo-France operational SAR model

Search objects (2004) The Météo-France operational SAR model

Who ask for? (2004) The Météo-France operational SAR model

Search locations Person in water Craft Object (container) whale The Météo-France operational SAR model

Work in progress Improvement of the hydrodynamics: large scale currents (Mercator, FOAM, MFS). SATELLITE JASON IN SITU The Météo-France operational SAR model CORIOLIS MODELISATION ASSIMILATION

Work in progress Men in water: 12 days drift The Météo-France operational SAR model

Work in progress and forecasted • Survey of the needs: a questionnaire for the CROSS • 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 model

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