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Earthquake Info

+M 5.1 - 126 km SSW of Ishigaki, Japan

UTC Time: Mon 2023/01/30 10:25:12
HK Time: Mon 2023/01/30 18:25:12

Location: 23.22N 123.91E; Magnitude: 5.1
1,003 km E of HK
Depth: 10 km

Weather Details around Hong Kong [Details] [HKO link]

Regional Weather of Hong Kong

Tropical Cyclone Information [Details] [HKO link]

Tropical Cyclone Track

Real-time Weather Photos [Details] [HKO link]

The following photo shows the real-time view of Victoria Harbour, as viewed from Central towards the east.

Real-time photo at Central

Astronomical / Tidal Information [Details] [HKO link]

Info for 31/01/2023 (Tuesday):
Astro. Info
Sunrise:07:0201:530.98 m
Sunset:18:1018:062.02 m

Planetary phenomena in the coming week:
Jan 31, 12:24 HKT: Moon-Mars: 0.1° N
Feb 02, 16:18 HKT: Moon North Dec.: 27.5° N
Feb 04, 16:55 HKT: Moon Apogee: 406500 km
Feb 06, 02:29 HKT: Full Moon
(Source: NASA)

Weather at a Glance [Details] [HKO link]

Weather at a Glance Data as of 15:20 on 31/1/2023

18.5 C 53 % 1015.7 hPa
All measurements taken at Hong Kong Observatory
HKO Temp.:18.5 C
RH.: 53 %
Apparent Temp.:18.5 C
Dew Point:8.7 C
Temp. of today:20.1 / 13.8 C (Range 6.3 C)
Mean SLP.:1015.7 hPa
King's Park Wind:5 km/h (E)
Rain:0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 08:00 HKT on 31/1/2023 - Level of instability:

Delta P Values

At 2023/01/31 14 HKT: [Explanation] [Values for the past 10 days]

Delta p(972) = -2.7
Delta p(S) = -1.5

3-day Weather Forecast [Click for 9-day] [HKO link]

3-day Weather Forecast Data as of 11:30 HKT 31/Jan/2023

General Situation: The northeast monsoon affecting southern China will continue to moderate tomorrow. Temperatures will rise further over the region. The strong easterly airstream is expected to affect the coast of Guangdong in the latter part of this week and over the weekend. Meanwhile, an upper-air disturbance will bring rainy weather to the region. With the upper-air disturbance departing, the weather will be brighter over the coast of southern China early next week.

1/2 (Wed)

Mainly cloudy. Sunny intervals during the day.

Cloudy with one or two rain patches.

Cloudy with a few rain patches. It will be cool.
Wind E force 4. E force 4 to 5, occasionally force 6 offshore. E force 4 to 5, occasionally force 6 offshore at first.
17 - 21 °C
17 - 20 °C
16 - 19 °C
75 - 90 %
75 - 90 %
80 - 95 %

Extended Temperature Outlook [HKO link]

Maximum temperature:

Maximum temperature

Minimum temperature:

Maximum temperature

Weather Conditions in South China Sea [Details] [HKO link]

Satellite / Radar Images [Details]

Radar: 256 km range

Radar: 128 km range

Radar: 64 km range

Satellite: IR imagery*

* The Satellite imagery above is taken by Himawari-8 operated by the Japan Meteorological Agency (JMA).

Aviation Weather Observation Report [HKO link]

HK International Airport METAR report Data as of 15:30 HKT on 31 Jan 23

Original code: METAR VHHH 310730Z 28005KT 170V320 9999 FEW035 22/10 Q1015 NOSIG=

Wind Visibility WeatherCloud AmountCloud BaseTemperature Dew Point Pressure (QNH)
5 knots from 280 degrees (W), variability: 170-320 degrees
10 km or above
No significant weather
1 to 2 oktas
3500 feet
22 oC
10 oC
1015 hPa

Next Two Hours Change
No Significant Change

Meteorological Calculation

A. Conversion between units


B. Calculation of distance between places on Earth

Place 1:     Lat :   Long :
Place 2:     Lat :   Long :

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All weather information of Hong Kong contained in this site is given by the Hong Kong Observatory. Permission has been granted by the Observatory for the reproduction of weather information in this site.

Last Modified: Tue, Jan 03 2023