At the request from the aviation community, the followings have been added to the AMIDS :- 

a) presentation materials, in Powerpoint file, used by the representative of the Hong Kong Observatory at the weather briefing at the coordination meeting organized by Airport Authority during tropical cyclone situations.  The materials will be made available on AMIDS until the end of each tropical cyclone episode.

b) the record of the effective time of the Red/Amber alerts generated by the Observatory's Airport Thunderstorm and Lightning Alerting System (ATLAS) for Airport Authority's Airport Lightning Warning System in the past 60 days, as well as

c) sunrise and sunset time tables for HKIA are also made available on the AMIDS.

Figure 1  A representative of the Hong Kong Observatory conducting weather briefing to the airport community at the coordination meeting organised by the Airport Authority Hong Kong

Figure 2  Powerpoint files presented at the weather briefing are available on the Tropical Cyclone Information page of AMIDS