Get short, timely messages from Observatory HKO.

Twitter is a rich source of instantly updated information. It's easy to stay updated on an incredibly wide variety of topics. Join today and follow @ObservatoryHK.

Get updates via SMS by texting follow ObservatoryHK to 40404 in the United States
Codes for other countries

Two-way (sending and receiving) short codes:
Country Code For customers of
Australia
  • 0198089488 Telstra
Canada
  • 21212 (any)
United Kingdom
  • 86444 Vodafone, Orange, 3, O2
Indonesia
  • 89887 AXIS, 3, Telkomsel
Ireland
  • 51210 O2
India
  • 53000 Bharti Airtel, Videocon
Jordan
  • 90903 Zain
New Zealand
  • 8987 Vodafone, Telecom NZ
United States
  • 40404 (any)

ObservatoryHK

  1. 9:40AM: Strong Monsoon Signal cancelled hko.gov.hk/ej
  2. [WEATHER WARNING] 9:20PM: Strong Monsoon Signal issued hko.gov.hk/ej
  3. [HKO Side Lights]: A Celebration Gathering with Volunteers of the Friends of the Observatory hko.gov.hk/hkonews/D4/new…
  4. [HKO’s News]: Hong Kong Observatory and Korea Meteorological Administration sign MOU to mark closer ties (30 May 2012) hko.gov.hk/press/D4/2012/…
  5. Earthquake: 2012-05-29 15:00HKT M6.0 [44.9N,11.2E] in Northern Italy map.google.com/maps?q=loc:44.…
  6. Earthquake: 2012-05-28 13:07HKT M6.0 [28.2S,63.2W] in Santiago Del Estero Province, Argentina map.google.com/maps?q=loc:-28…
  7. [THUNDERSTORM WARNING] 10:55AM: Thunderstorm Warning issued and will be valid until 1:00 p.m. today hko.gov.hk/eg
  8. [Weather Tips]28 May 10:15AM:The area of rain over the waters to the south of Hong Kong is moving northward ... more url.hko.hk/swxtipse
  9. [Popular Science Article] Raining cats and dogs url.hko.hk/edue009 twitter.com/ObservatoryHK/…
  10. 5:30AM: Special Announcement on Flooding in the northern New Territories cancelled hko.gov.hk/ef
  11. 4:35AM: Amber Rainstorm Warning Signal cancelled hko.gov.hk/ec
  12. [THUNDERSTORM WARNING] 12:15AM: Thunderstorm Warning extended until 6:15 a.m. today hko.gov.hk/eg
  13. [WEATHER WARNING] 3:10AM: Special Announcement on Flooding in the northern New Territories issued hko.gov.hk/ef
  14. [RAINSTORM WARNING] 2:40AM: Amber Rainstorm Warning Signal issued hko.gov.hk/ec
  15. [THUNDERSTORM WARNING] 12:15AM: Thunderstorm Warning extended until 4:15 a.m. today hko.gov.hk/eg
  16. [THUNDERSTORM WARNING] 12:15AM: Thunderstorm Warning issued and will be valid until 2:15 a.m. today hko.gov.hk/eg
  17. Earthquake: 2012-05-27 05:48HKT M6.0 [26.9N,140.2E] near Bonin Islands, Japan Region map.google.com/maps?q=loc:26.…
  18. 12:50PM: Amber Rainstorm Warning Signal cancelled hko.gov.hk/ec
  19. [THUNDERSTORM WARNING] 10:30AM: Thunderstorm Warning extended until 2:30 p.m. today hko.gov.hk/eg
  20. [RAINSTORM WARNING] 11:05AM: Amber Rainstorm Warning Signal issued hko.gov.hk/ec