Weather Phenomena

Tropical Cyclone Basics

• Tropical Cyclone Classification
• Tropical cyclone names in the western North Pacific
• Structure of Typhoons
• Swells from distant typhoons
• Why do tropical cyclones require sea surface temperatures of 26°C or above to form?
• Very hot weather ahead of an approaching tropical cyclone
• Influence of Tropical Cyclones on Visibility in Hong Kong
• Extra-tropical Cyclone vs Tropical Cyclone
• What is "Fujiwhara Effect"?

Thunderstorms and Lightning

• The Science of Thunder and Lightning
• What are "Thunderstorms"？

El Nino and La Nina

• What is "El Nino"? (in Chinese only)
• What is "El Nino"? and What is "La Nina"? (in Chinese only)

Miscellaneous

• An Introduction to Heat Stress
• How is a tornado rated？
• What is Foehn wind?
• Fog Explained
• What is "Radiation Cooling"?
• What is a "Trough"? (in Chinese only)
• What is "Hailstorm"? (in Chinese only)