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Addressing Global Weather Data Challenges in Developing Countries

This report discusses the critical issues related to historical weather data in developing countries, including data availability, cleaning methodologies, and reliability of settlement data. It highlights the challenges such as missing values, digitization needs, and the complexity of data acquisition, emphasizing the importance of tailored solutions. EarthSat/RMS offers expertise in navigating these data issues, providing market-ready solutions. Specific case studies from Ethiopia demonstrate the difficulties faced and the strategies employed to clean and validate weather data effectively.

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Addressing Global Weather Data Challenges in Developing Countries

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  1. New Sources of Global Risk WRMA June 26, 2006

  2. Weather data issues in developing countries • Availability of historical data • Cleaning historical data • Reliability/availability of settlement data • EarthSat/RMS have significant experience working with problematic data and can help provide market-ready data solutions Confidential

  3. Availability of historical data • Data acquisition for developing countries can be difficult • Requires assistance from other parties (Ethiopia - WFP) • Hard-copy historical data may need to be digitized • START EARLY – Solving data problems can take a significant amount of time Confidential

  4. Cleaning historical data • Historical weather data from developing countries will likely have many missing and/or clearly erroneous values • Cleaning data for a target station requires data from neighboring stations in similar climate zone • Create synthetic data for complete history of each station • Use synthetic data to identify erroneous values and replace missing values Confidential

  5. Ethiopian data cleaning specifics • Historical data for 162 stations used to create cleaned historical data for 42 stations • Limitations – Intended to clean 44 stations, but only able to clean 42 • 2 locations had nearest neighbor over 90 miles away • Replaced 37 consecutive months of historical data for one station Confidential

  6. Reliability/Availability of Settlement data • Reliable, timely settlement data can be a problem • ‘Certified’ settlement data from independent third party • CME • Ethiopia • Installation of weather stations for verification or official reporting • Malawi (World Bank) • Satellite monitoring of weather stations Confidential

  7. Confidential

  8. Contact information Jeff Hamlin Risk Management Solutions 510-505-2564 jeffh@rms.com Dave Whitehead MDA Federal (formerly EarthSat) 240-833-8233 david.whitehead@MDAFederal.com Confidential

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