Presentation & Evolution Presentation & Evolution of the of the

Shipboard Automatic Shipboard Automatic Weather StationWeather Station

BATOSBATOS

TECO 2005 - TECO 2005 - BUCARESTBUCAREST

General description of the systems

Technical information about the components

Current network at Météo France

Future work

General descriptionGeneral description

Satellite communication

Weather sensors

Screen

General descriptionGeneral description

Automatic acquisition of the basic weather parameters Automatic acquisition of the basic weather parameters measured by sensors (pression, air and sea surface measured by sensors (pression, air and sea surface temperature, humidity, wind)temperature, humidity, wind)

Input of human weather observationsInput of human weather observations

Data check, processing and storageData check, processing and storage

Generation and transmission of normalized encoding Generation and transmission of normalized encoding messages (via satellite)messages (via satellite)

Display of the parametersDisplay of the parameters

General description and General description and evolutionevolution

Technical InformationTechnical Information

PressurePressure

800 to 1100 800 to 1100 hPahPa

Air temperature Air temperature

-30 to +50 °C-30 to +50 °C

Relative humidityRelative humidity

0,8 to 100 %0,8 to 100 %

Pressure,Temperature and Humidity Pressure,Temperature and Humidity

PTB 220 & HMP35DE BATOS II : PTU200 PTB 220 & HMP35DE BATOS II : PTU200 (Vaisala)(Vaisala)

Water temperatureWater temperaturePT100 – SPCK PROSENSORPT100 – SPCK PROSENSOR

Hull contact sensor (WMO recommandation) Hull contact sensor (WMO recommandation)

(platinium resistor temperature sensor)(platinium resistor temperature sensor)

-80 to +160 °C-80 to +160 °C

Wind Speed and Direction Wind Speed and Direction

Measures speed and direction (relatively to the ship)Measures speed and direction (relatively to the ship) True direction calculated by the software (using speed, True direction calculated by the software (using speed,

heading and the true rout of the vessel)heading and the true rout of the vessel)

BATOS II : BATOS II : CV3F Ultrasonic CV3F Ultrasonic Wind Sensor (LCJ Capteurs)Wind Sensor (LCJ Capteurs)

New generation wind speed New generation wind speed and wind direction and wind direction measurement devicemeasurement device

• Resolution: 0.1 knResolution: 0.1 kn

• Useful range: 0.5 to 99.5 knUseful range: 0.5 to 99.5 kn

• Wind direction resolution : 0.1 degreeWind direction resolution : 0.1 degree

• Temperature range : 0 to 40°C Temperature range : 0 to 40°C

Young 05106Young 05106

•Resolution: 0.2 knResolution: 0.2 kn

• Useful range: 0 to 120 knUseful range: 0 to 120 kn

• Wind direction resolution : 3 Wind direction resolution : 3

degreesdegrees

ScreenScreen Miniature marine SOCRIMAMiniature marine SOCRIMA

Naturally ventilated multi-plate screen Naturally ventilated multi-plate screen providing a good providing a good protection of protection of temperature and humidity sensortemperature and humidity sensor

Enclosure : 20 cm (D) x 50 cm (H)Enclosure : 20 cm (D) x 50 cm (H)

To be installed on the deckTo be installed on the deck

SoftwareSoftware

Checks the measurement to ensure data quality Checks the measurement to ensure data quality

Generates normalized weather messages (code 41) every Generates normalized weather messages (code 41) every 1, 3 or 6 hours1, 3 or 6 hours

Sends on automatically the messages via satelliteSends on automatically the messages via satellite

Data storage (hourly, during 6 months)Data storage (hourly, during 6 months)

Sensor data display in real-time and help for human Sensor data display in real-time and help for human observation captureobservation capture

CommunicationCommunicationThrane & ThraneThrane & Thrane

Inmarsat Mini CInmarsat Mini C

Thrane & Thrane Thrane & Thrane TT-3026M TT-3026M comprising comprising transceiver, omni-directional antenna transceiver, omni-directional antenna and GPS receiver in one single unitand GPS receiver in one single unit

Current Network at Météo Current Network at Météo FranceFrance

Current network at Météo Current network at Météo FranceFrance

30 BATOS set up on VOS (Volontary Observing Ship) in 2004

Increasing of the number of observations

Robustness of the system

Quality of the data

Current network at Météo Current network at Météo FranceFrance

Number of French VOS between 2000 and 2004

61

6976

81

63

0

10

20

30

40

50

60

70

80

90

2000 2001 2002 2003 2004

Number of FrenchVOS

Number of FrenchVOS with BATOS

Current network at Météo Current network at Météo FranceFrance

Number of French VOS observations between 2000 and 2004

65543

55663

38640 3672643163

38819

30317

20951

1520313128

0

10000

20000

30000

40000

50000

60000

70000

2000 2001 2002 2003 2004

Number of observations

Number of BATOSobservations

Future workFuture work

Thermosalinometer for TRACKOB messagesThermosalinometer for TRACKOB messages

Data compressionData compression

Transmission frequency adaptationTransmission frequency adaptation

The EndThe End

Direction des Systèmes d’ObservationDépartement de l’Observation au SolDivision OCEan – V. UNGER vinciane.unger@meteo.fr