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

Wind Alert [HKO link]

During the past 10 minutes ending at 02:20 HKT 5/4/2020:

Waglan Island recorded STRONG force gusts (56 km/h - F7)
Green Island recorded STRONG force gusts (50 km/h - F6)
Tate's Cairn recorded STRONG force gusts (46 km/h - F6)

Waglan Island recorded STRONG force mean wind (50 km/h - F6)

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 05/04/2020 (Sunday):
Astro. Info
Tide
Sunrise:06:1201:260.49 m
Sunset:18:4008:311.58 m
Moonrise:15:4512:401.24 m
Moonset:04:0619:122.16 m

Planetary phenomena in the coming week:
Apr 08, 02:08 HKT: Moon Perigee: 356900 km
Apr 08, 10:35 HKT: Full Moon
(Source: NASA)

Weather at a Glance [Details] [HKO link]

Weather at a Glance Data as of 02:20 on 5/4/2020

19.7 C 86 % 1017.6 hPa
All measurements taken at Hong Kong Observatory
HKO Temp.:19.7 C
RH.: 86 %
Apparent Temp.:19.7 C
Dew Point:17.3 C
Temp. of today:19.9 / 19.7 C (Range 0.2 C)
Mean SLP.:1017.6 hPa
King's Park Wind:16 km/h (E)
UV:N/A
Rain:0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 20:00 HKT on 4/4/2020 - Level of instability:

Delta P Values

At 2020/04/04 23 HKT: [Explanation] [Values for the past 10 days]

Delta p(972) = 5.9
Delta p(S) = 8.7 (strong E wind at Waglan)

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

3-day Weather Forecast Data as of 00:00 HKT 05/Apr/2020

General Situation: A strong easterly airstream will bring slightly cooler weather to the coast of Guangdong today and tomorrow. Meanwhile, upper-air disturbances will bring heavy showers and thunderstorms to southern China. With the upper-air disturbances departing, showers will ease off gradually over the south China coast midweek this week.

Date
5/4 (Sun)
6/4(Mon)
7/4(Tue)
Weather

Cloudy with a few showers. More showers with a few thunderstorms later.

Cloudy to overcast with occasional heavy showers and a few thunderstorms.

Cloudy with occasional showers and isolated thunderstorms.
Wind E force 4 to 5, occasionally force 6 offshore. E to NE force 4 to 5, occasionally force 6 offshore at first. NE force 3 to 4.
Temp.
18 - 21 °C
17 - 19 °C
18 - 21 °C
R.H.
75 - 95 %
85 - 95 %
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 02:00 HKT on 05 Apr 20

Original code: METAR VHHH 041800Z 05008KT 9999 FEW010 SCT030 20/18 Q1018 NOSIG=

Wind Visibility WeatherCloud AmountCloud BaseTemperature Dew Point Pressure (QNH)
8 knots from 050 degrees (NE)
10 km or above
No significant weather
1 to 2 oktas
3 to 4 oktas
1000 feet
3000 feet
20 oC
18 oC
1018 hPa

Next Two Hours Change
No Significant Change

Meteorological Calculation

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B. Calculation of distance between places on Earth

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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: Sat, Jan 04 2020




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