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Observatory HKO Profile
Observatory HKO

@ObservatoryHK

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Innovate with Science, Serve with Heart. The HKO is a gov. dept. of HKSAR responsible for forecasting weather and issuing warnings on weather-related hazards.

Hong Kong
Joined September 2010
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@ObservatoryHK
Observatory HKO
2 months
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Observatory HKO
2 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
2 years
Earthquake: 2022-03-14 02:29HKT M4.1 [22.51N,115.04E] near coast of Southeastern China. Felt in HK, intensity 4 on MMI scale.
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Observatory HKO
1 year
8:15PM: Hurricane Signal, No. 10 issued
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Observatory HKO
6 years
9:40AM: Hurricane Signal, No. 10 issued
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Observatory HKO
7 years
[Popular Science Article] Challenges in forecasting typhoons from the east
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@ObservatoryHK
Observatory HKO
7 years
9:10AM: Hurricane Signal, No. 10 issued
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Observatory HKO
3 years
11:45AM: Black Rainstorm Warning Signal issued
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Observatory HKO
3 years
5:20PM: No. 8 Northeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
2 years
7:25PM: No. 8 Northeast Gale or Storm Signal issued
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Observatory HKO
4 years
9:00AM: Red Rainstorm Warning Signal issued
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Observatory HKO
7 years
[Popular Science Article] Upper air Ozone Monitoring by the Observatory
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@ObservatoryHK
Observatory HKO
1 year
6:20PM: Increasing Gale or Storm Signal, No. 9 issued
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@ObservatoryHK
Observatory HKO
2 years
[PRE-8 SPECIAL ANNOUNCEMENT] HKO announces that Signal No. 8 will be issued at or before 1:40 p.m., 2 Nov
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@ObservatoryHK
Observatory HKO
1 year
[PRE-8 SPECIAL ANNOUNCEMENT] HKO announces that Signal No. 8 will be issued at or before 0:40 a.m., 17 Jul
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@ObservatoryHK
Observatory HKO
11 months
7:00PM: Increasing Gale or Storm Signal, No. 9 issued
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@ObservatoryHK
Observatory HKO
2 years
7:10PM: No. 8 Southeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
3 years
8:20AM: Black Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
3 years
11:20AM: Standby Signal, No. 1 issued
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Observatory HKO
4 years
7:30AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
1 year
12:40AM: No. 8 Northeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
4 years
5:40AM: No. 8 Northeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
2 years
1:40PM: No. 8 Northwest Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
4 years
10:35AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
6 years
The Hong Kong Observatory announces that the Tropical Cyclone Warning Signal Number 8 is expected to be issued at or before 1:10 a.m. 16 Sep 2018. Winds locally will strengthen further.
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@ObservatoryHK
Observatory HKO
2 years
4:30PM: Frost Warning issued
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@ObservatoryHK
Observatory HKO
6 years
7:40AM: Increasing Gale or Storm Signal, No. 9 issued
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@ObservatoryHK
Observatory HKO
1 year
2:40AM: No. 8 Northwest Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
2 years
10:45AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
2 years
[PRE-8 SPECIAL ANNOUNCEMENT] HKO announces that Signal No. 8 will be issued at or before 7:25 p.m., 24 Aug
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@ObservatoryHK
Observatory HKO
9 years
[HKO’s News]: Waterspout spotted in Hong Kong waters (22 July 2015) http://t.co/lTvS9lQkio http://t.co/nER3YBXyzU
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@ObservatoryHK
Observatory HKO
9 months
4:30PM: Frost Warning issued
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@ObservatoryHK
Observatory HKO
2 years
9:10PM: Standby Signal, No. 1 issued
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Observatory HKO
1 year
11:05PM: Black Rainstorm Warning Signal issued
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Observatory HKO
4 years
8:05AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
3 years
6:40AM: No. 8 Southeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
6 years
1:10AM: No. 8 Northeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
3 years
11:00AM: Cold Weather Warning issued
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@ObservatoryHK
Observatory HKO
4 years
11:40AM: Amber Rainstorm Warning Signal issued (replacing Red Rainstorm Warning Signal)
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@ObservatoryHK
Observatory HKO
3 years
The Hong Kong Observatory announces that the Tropical Cyclone Warning Signal Number 8 will be issued at or before 5:20 p.m. today (12 Oct 2021).
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@ObservatoryHK
Observatory HKO
11 months
12:40PM: No. 8 Northeast Gale or Storm Signal issued
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Observatory HKO
2 years
9:20PM: Standby Signal, No. 1 issued
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Observatory HKO
4 years
1:30AM: Increasing Gale or Storm Signal, No. 9 issued
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Observatory HKO
8 years
8:40PM: No. 8 Northwest Gale or Storm Signal issued
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Observatory HKO
6 years
4:20PM: Strong Wind Signal, No. 3 issued
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@ObservatoryHK
Observatory HKO
1 year
4:20PM: Strong Wind Signal, No. 3 issued (replacing No. 8 Southeast Signal)
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@ObservatoryHK
Observatory HKO
8 years
6:10AM: No. 8 Northwest Gale or Storm Signal issued
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Observatory HKO
1 year
3:40PM: Amber Rainstorm Warning Signal issued (replacing Black Rainstorm Warning Signal)
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@ObservatoryHK
Observatory HKO
8 years
8:35AM: Amber Rainstorm Warning Signal issued (replacing Red Rainstorm Warning Signal)
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@ObservatoryHK
Observatory HKO
5 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
11 months
[PRE-8 SPECIAL ANNOUNCEMENT] HKO announces that Signal No. 8 will be issued at or before 12:40 p.m., 8 Oct
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@ObservatoryHK
Observatory HKO
2 years
【Climate Change Impacts】Globally speaking, June 2022 marked the 450th consecutive month with temperatures above the 20th-century ...
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@ObservatoryHK
Observatory HKO
8 years
Signal No. 8 is expected to be issued at or before 6:30 a.m. today (21 Oct 2016).
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@ObservatoryHK
Observatory HKO
5 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
2 years
9:20AM: Strong Wind Signal, No. 3 issued (replacing No. 8 Southeast Signal)
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@ObservatoryHK
Observatory HKO
2 years
4:20PM: Strong Wind Signal, No. 3 issued (replacing No. 8 Southeast Signal)
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@ObservatoryHK
Observatory HKO
3 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
2 years
[PRE-8 SPECIAL ANNOUNCEMENT] HKO announces that Signal No. 8 will be issued at or before 7:10 p.m., 1 Jul
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@ObservatoryHK
Observatory HKO
4 years
1:20PM: All Tropical Cyclone Signals cancelled
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@ObservatoryHK
Observatory HKO
1 year
5:40PM: Standby Signal, No. 1 issued
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@ObservatoryHK
Observatory HKO
3 months
10:00AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
2 years
8:40PM: No. 8 Northeast Gale or Storm Signal issued (replacing No. 8 Northwest Signal)
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@ObservatoryHK
Observatory HKO
3 years
11:20AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
1 year
8:20PM: Standby Signal, No. 1 issued
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@ObservatoryHK
Observatory HKO
4 months
8:55AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
3 years
1:00PM: Amber Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
11 months
10:30AM: Red Rainstorm Warning Signal issued (replacing Black Rainstorm Warning Signal)
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@ObservatoryHK
Observatory HKO
9 years
10:25AM: Black Rainstorm Warning Signal issued http://t.co/FaCshpD15b http://t.co/icmB3A05ew
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@ObservatoryHK
Observatory HKO
2 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
3 years
4:40PM: Strong Wind Signal, No. 3 issued (replacing No. 8 Northeast Signal)
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@ObservatoryHK
Observatory HKO
1 year
5:55AM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
5 years
Earthquake: 2019-04-22 17:11HKT M6.4 [15.0N,120.3E] in Luzon, Philippines
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Observatory HKO
4 years
4:10PM: Thunderstorm Warning issued and valid until 6:00 p.m. today
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Observatory HKO
6 years
7:10PM: All Tropical Cyclone Signals cancelled
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Observatory HKO
2 years
4:20PM: Cold Weather Warning is now in force
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Observatory HKO
4 years
1:30PM: Thunderstorm Warning extended until 4:30 p.m. today
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@ObservatoryHK
Observatory HKO
4 years
8:10PM: Black Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
4 years
2:20PM: Strong Wind Signal, No. 3 issued
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@ObservatoryHK
Observatory HKO
2 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
1 year
3:40AM: No. 8 Southeast Gale or Storm Signal issued
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Observatory HKO
4 years
2:55AM: Black Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
7 years
Signal No. 8 is expected to be issued at or before 5:30 p.m. today (12 Jun 2017).
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Observatory HKO
1 year
[Hail Report] 12:30PM: Pls take precautions. Hail may affect HK shortly.
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Observatory HKO
6 years
10:55AM: Red Rainstorm Warning Signal issued
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Observatory HKO
1 year
9:10AM: Red Rainstorm Warning Signal issued
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Observatory HKO
4 years
9:40AM: Thunderstorm Warning issued and valid until 12:30 p.m. today
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@ObservatoryHK
Observatory HKO
10 months
Earthquake: The Observatory received reports of locally felt earth tremors.
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@ObservatoryHK
Observatory HKO
6 years
7:40PM: No. 8 Southeast Gale or Storm Signal issued (replacing No. 10 Signal)
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@ObservatoryHK
Observatory HKO
7 years
8:40AM: No. 8 Northeast Gale or Storm Signal issued
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@ObservatoryHK
Observatory HKO
11 months
4:00AM: Black Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
3 years
9:40PM: Standby Signal, No. 1 issued
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@ObservatoryHK
Observatory HKO
2 years
[HKO's News]: New names for tropical cyclones in 2022
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@ObservatoryHK
Observatory HKO
11 months
5:40PM: Strong Wind Signal, No. 3 issued
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@ObservatoryHK
Observatory HKO
2 years
9:10PM: Standby Signal, No. 1 issued
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@ObservatoryHK
Observatory HKO
7 years
2:10PM: No. 8 Southeast Gale or Storm Signal issued (replacing No. 10 Signal)
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@ObservatoryHK
Observatory HKO
3 months
12:55PM: Amber Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
4 years
12:20AM: Strong Wind Signal, No. 3 issued
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@ObservatoryHK
Observatory HKO
9 years
2:00PM: Amber Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
2 years
10:10PM: Standby Signal, No. 1 issued
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@ObservatoryHK
Observatory HKO
1 year
8:40PM: Red Rainstorm Warning Signal issued
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@ObservatoryHK
Observatory HKO
2 years
Earthquake: The Observatory received reports of locally felt earth tremors.
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