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HKO e-Bulletin on Educational Resources
  Issue No.21 (March 2009) feedback
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Introduction:

The HKO e-Bulletin on Educational Resources is published on-line every three months. It covers in layman terms various interesting topics related to weather phenomena and popular science, as well as new science and technology developments including those at the Observatory. We welcome your views and suggestions.

In this issue, we have started yet another new series - "Clouds in Hong Kong".
  New
item "Nature's wonder" - What is isostasy?
item "Nature's wonder" - What are the Ozone conditions now in Hong Kong?
item "What You Need to Know about Ultraviolet (UV) Radiation" series -
Episode Two: Myths about protection against UV radiation
item "The Science of Thunder and Lightning" series -
Episode Four: Why we cannot hear the thunder of a distant lightning?
item "Tropical cyclone basics" series -
Why do tropical cyclones require sea surface temperatures of 26oC to form?
item "Weather and special phenomena in the Antarctic" series - Moonlit Clouds
item "Clouds in Hong Kong" series - 1. Cumulus congestus cloud
item "Radiation_Tidbit" -
Non-ionizing radiation - an invisible partner in weather observation
item Director of Hong Kong Observatory talks on new typhoon categorisation and rainfall projection ( 18 March 2009 ) 
item New feature on lightning location information webpage 
item 'Weathering the Storms' now on sale
item More schools joining the "Hong Kong Community Weather Information Network"
item German version of weather forecast website launched ( 23 March 2009 )
item Observatory wins multiple ICT awards ( 10 February 2009 )
item The Director Visited the Civil Aviation Administration of China (20.3.2009)
item The Observatory and the China Meteorological Administration reviewed aviation meteorological cooperation (26.3.2009)
item Salvage the Earth, keep it below 16oC, a programme supported by the Observatory, is now on show (25.3.2009)
item The 19th e-Bulletin for the aviation community released
item Workshop on Climate Change and Climate Prediction in the Pearl River Delta Region
item Training Workshop on Quantitative Precipitation Forecast (26.2.2009)
item The Observatory's Environmental Radiation Exhibition Gets a Facelift
 
  Information by Topics
item Meteorology
item Radiation, Earthquake and Astronomy
item Space Weather
item Nature's Wonders - Their Science Explained
item Training Courses and Activities for the Public
item Observatory Publications
 
  Weather Forecast
item Local Weather Forecast
item 7-day Weather Forecast for Hong Kong
item World Weather Information Service - A World Meteorological Organization web site, developed by the Observatory, providing official city forecasts and climatological information issued by various National Meteorological and Hydrological Services.
item Severe Weather Information Centre - A World Meteorological Organization web site, developed by the Observatory, providing official Tropical Cyclone warnings and advisories issued by various National Meteorological and Hydrological Services.
 
  Past e-Bulletins on Educational Resources
item Press here.

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Hong Kong Observatory
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