The Observatory releases balloons everyday to collect weather data in the upper atmosphere. In the latest episode of "Cool Met Stuff", colleague at King's Park Meteorological Station takes you into the heart of the Automatic Upper-air Sounding System and see how it works. The video is now available on the "MyObservatory" mobile application and the Observatory's website for your viewing.
Observatory's "Cool Met Stuff" channel (broadcast in Cantonese):
Broadcast schedule of various TV channels: