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Latest Message

(2019/02/16 16:35 HKT)

The review report for tropical cyclone YUTU has been updated and is available here.

Warning(s) in Force [Details] [Def]

Wind Alert [HKO link]

During the past 10 minutes ending at 04:50 HKT 19/2/2019:

Tate's Cairn recorded STRONG force gusts (44 km/h - F6)
Stanley recorded STRONG force gusts (42 km/h - F6)

Earthquake Info

+M 4.6 - 74km NNW of Hirara, Japan

UTC Time: Mon 2019/02/18 07:32:18
Local Time: Mon 2019/02/18 15:32:18
HK Time: Mon 2019/02/18 15:32:18

Location: 25.43N 125.05E; Magnitude: 4.6
1,158 km ENE 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 19/02/2019 (Tuesday):
Astro. Info
Sunrise:06:5303:240.2 m
Sunset:18:2210:141.5 m
Moonrise:18:0314:261.0 m
Moonset:06:2821:152.5 m

Planetary phenomena in the coming week:
Feb 19, 17:06 HKT: Moon Perigee: 356800 km
Feb 19, 23:53 HKT: Full Moon
(Source: NASA)

Weather at a Glance [Details] [HKO link]

Weather at a Glance Data as of 04:50 on 19/2/2019

18.5 C 94 % 1014.8 hPa
All measurements taken at Hong Kong Observatory
HKO Temp.:18.5 C
RH.: 94 %
Apparent Temp.:18.5 C
Dew Point:17.5 C
Temp. of today:18.9 / 18.5 C (Range 0.4 C)
Mean SLP.:1014.8 hPa
King's Park Wind:11 km/h (E)
Rain:0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 20:00 HKT on 18/2/2019 - Level of instability:

Delta P Values

At 2019/02/19 02 HKT: [Explanation] [Values for the past 10 days]

Delta p(972) = 7.6 (12-15 hours)
Delta p(S) = 2.1

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

3-day Weather Forecast Data as of 00:00 HKT 19/Feb/2019

General Situation: A trough of low pressure will continue to bring showers and thunderstorms to southern China today. A warm maritime airstream is expected to bring foggy weather to the coast of Guangdong midweek this week. Under the influence of a fresh easterly airstream, there will be a few rain patches over the coast of Guangdong in the latter part of this week and early next week.

19/2 (Tue)

Mainly cloudy with showers. Showers easing off gradually. Visibility relatively low later.

Sunny periods and one or two showers. Coastal fog in the morning and at night.

Sunny periods and one or two showers. Coastal fog in the morning and at night.
Wind SE force 3 to 4. S to SE force 3 to 4. S to SE force 3 to 4.
18 - 22 °C
21 - 25 °C
21 - 25 °C
75 - 95 %
75 - 95 %
75 - 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 04:30 HKT on 19 Feb 19

Original code: METAR VHHH 182030Z 08012KT 9999 FEW025 SCT040 20/17 Q1014 TEMPO 4000 SHRA=

Wind Visibility Weather Cloud Amount Cloud Base Temperature Dew Point Pressure (QNH)
12 knots from 080 degrees (E)
10 km or above
No significant weather
1 to 2 oktas
3 to 4 oktas
2500 feet
4000 feet
20 oC
17 oC
1014 hPa

Next Two Hours Change Visibility Weather
4000 m
Moderate showers of rain

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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Last Modified: Fri, Jan 04 2019