Skip to main content
Hong Kong Observatory Brand Hong Kong - Asia's world city
GovHK Traditional Chinese Simplified Chinese Search
Search Site Map Contact Us
red dot
Print Version
Back
Print Version PDF Version

Anemometer along the runway: A Case Showing Sea Breeze

Under the influence of northeast monsoon, prevailing winds at the Hong Kong International Airport were generally from the northeast in the morning of 2 December 1999.  Due to daytime heating by the sun, the temperature over the land surface became higher than that of the surrounding sea surface. As a result, sea breeze set in around noon time with the wind direction turning to northwest over the airport. At around 4 pm when this heating effect subsided, the sea breeze retreated and northeasterly winds prevailed again over the airport.
A Case Showing Sea Breeze

 

Last revision date: <18 Dec 2012>