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Status of Existing Observing Networks

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Presentation on theme: "Status of Existing Observing Networks"— Presentation transcript:

1 Status of Existing Observing Networks
Multi-Hazard EWS Symposium 23 May 2006 Alan Douglas © Crown copyright 2006

2 WMO Early Warning System
Global Data Processing & Forecasting Centres NWP Seasonal Regional Specialised Meteorological Centres (RSMC’s) Tropical Cyclones Emergency Response Severe Weather Regional Climate Outlook Fora (RCOF) Tsunami Warning Systems Pacific Ocean Observations Observations Advisories (Seasonal) Advisories (0-6 hours) Advisories (0-3 days) National Meteorological & Hydrological Services (NMHS’s) GTS Warnings GTS User Community Public, Government, Civil Protection © Crown copyright 2006

3 Observations Contribute to all Stages of Disaster Risk Reduction
Land- and Space-based observations (historical and Real-time): - Detecting and monitoring - Hazard Mapping and risk assessment - Modeling and forecasting © Crown copyright 2006

4 The Global Observations Network
© Crown copyright 2006

5 GLOBAL – SURFACE REAL-TIME NETWORKS
Type of Observation 2002 2005 Surface 4004 4169 Upper Air 820 799 Drifting Buoys 750 945 Ships 6651 5429 These are only the “controlled sites” © Crown copyright 2006

6 GLOBAL – CLIMATOLOGICAL NETWORKS
2002 2005 SURFACE 2575 2682 UPPER AIR 511 502 These are only the “controlled sites” © Crown copyright 2006

7 Uneven Distribution © Crown copyright 2006

8 The Future - 1? Make better use of existing observing sites – i.e. not only meteorological sensors Make better use of observations for other purposes (e.g. storm surge observation data can also support need for Tsunami-related observations Volumes of data transfer for observations mean that warnings can use same telecommunication systems without real impacts – and there is a controlled route in and out © Crown copyright 2006

9 The Future – 2? Observations (and associated telecommunications) ARE essential - not just for meteorology – so let us make sure they are co-ordinated, interchangeable and we do not waste resources by duplicating existing systems – “i.e. the GEOSS concept” We have to protect the agreed observation networks since we need mature and stable observations for planning and monitoring change – not just when disasters occur. © Crown copyright 2006

10 Key Actions Required Support integrated observing to minimise duplication and cost. Develop and maintain (to agreed minimum standards) synoptic and climatological observation networks with real-time capability for disseminating the information. © Crown copyright 2006


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