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HKO e-Bulletin on Educational Resources
  Issue No.23 (September 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 developments in science and technology including those at the Observatory. We welcome your views and suggestions.

In this issue, there is one special article related to the atmospheric optical phenomenon - "Sun dog". The beautiful photos were provided by a citizen in connection with his enquiry of the phenomenon. Owing to the citizen's sensitive scientific awareness, sharing spirit and common views on promoting popular science, it aroused the author's motivation to write the article for enhancing the public's understanding and interest on the related natural phenomenon. In order to help readers solving the mystery, the author organized the content with many supplementary illustrative diagrams, trying to write it in relatively simple terms and explain the phenomenon more in depth.
  New
item "Nature's Wonder" - The power of trace materials
item "What You Need to Know about Ultraviolet (UV) Radiation" series -
Episode four: Special care for children in the sun
item "Clouds in Hong Kong" series - 3. Stratocumulus Undulatus
item "The Science of Thunder and Lightning" series -
Episode Six: What is cloud-to-cloud lightning?
item "Tropical Cyclone Basics" series -
Tropical cyclone names in the western North Pacific
item In-depth anatomy of the atmospheric optical phenomenon - "Sun dog"
item "Radiation Tidbit" - Safety inspection in radiation laboratory
item Italian-language version of weather forecast website launched today (28 August 2009)
item HKO front page gets a face-lift (28 July 2009)
item Observations made by Hong Kong Observatory during partial solar eclipse today (22 July 2009)
item Largest eclipse of the sun seen in Hong Kong for more than 50 years (10 July 2009)
item Hong Kong Observatory launches a website on YouTube
item More UV Information available in the "Community Weather Information Network (Co-WIN)"
item Science in the Public Service Campaign - Public Lectures
item Pamphlet of the "Climate Change in Hong Kong"
item Moon phase icon now featured on HKO front page
item Pamphlet of the "Community Weather Information Network" published
item Experimental weather telephone hotline for the hearing-impaired persons (Chinese version only)
item The Observatory supporting the Equestrian Events of the 2010 Asian Games (18.9.2009)
item Summary of Environmental Radiation Monitoring in Hong Kong 2008 Released
item Climate Change FAQs
item "Science in the Public Service" Campaign - Student Project Competition
item The 20th e-Bulletin for the aviation community released
item Notable weather photos added
item Delegates from the Meteorological Department, Shenzhen Air Traffic Management Station, visited the Observatory (31.8.2009)
item A Weather Forecaster of China Meteorological Administration Attached to the Hong Kong Observatory (13.8.2009)
item Visit to the Observatory as part of the 2009 International Air Cadet Exchange Programme in Hong Kong (10.8.2009)
item The Observatory Prepares World Meteorological Organization (WMO) Fact Sheet (28.7.2009)
item Hong Kong Observatory received Customer Relationship Excellence Award (9.7.2009)
 
  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
Web site: http://www.weather.gov.hk/
Telephone: 2926 8200
E-mail: train1@hko.gov.hk
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