Bookmark and Share
Page refreshed at   [Refresh] [中文]

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

 

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

Regional Weather of Hong Kong

Tropical Cyclone Information [Details] [HKO link]

Astronomical / Tidal Information [Details] [HKO link]

Info for 17/12/2018 (Monday):
Astro. Info
Tide
Sunrise:06:5603:261.7 m
Sunset:17:4310:341.0 m
Moonrise:13:4218:361.9 m
Moonset:01:1923:431.4 m

Planetary phenomena in the coming week:
Dec 22, 06:22 HKT: Winter Solstice
Dec 23, 01:49 HKT: Full Moon
Dec 23, 05:00 HKT: Ursid Shower: ZHR = 10
Dec 23, 19:48 HKT: Moon North Dec.: 21.6° N
Dec 24, 17:52 HKT: Moon Perigee: 361100 km
Dec 24, 19:54 HKT: Moon Ascending Node
(Source: NASA)

Weather at a Glance [Details] [HKO link]

Weather at a Glance Data as of 20:50 on 17/12/2018

18.0 C 58 % 1023.3 hPa
All measurements taken at Hong Kong Observatory
HKO Temp.:18.0 C
RH.: 58 %
Apparent Temp.:18.0 C
Dew Point:9.6 C
Temp. of today:21.0 / 15.6 C (Range 5.4 C)
Mean SLP.:1023.3 hPa
King's Park Wind:3 km/h (NE)
UV:N/A
Rain:0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 08:00 HKT on 17/12/2018 - Level of instability:

Delta P Values

At 2018/12/17 17 HKT: [Explanation] [Values for the past 10 days]

Delta p(972) = 4.6
Delta p(S) = 3.7

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

3-day Weather Forecast Data as of 19:45 HKT 17/Dec/2018

General Situation: A dry northeast monsoon will continue to bring generally fine weather to southern China tomorrow. It will be cool in the morning over the coastal areas. The temperature difference between day and night will be relatively large. A relatively warm and humid easterly airstream will affect the coast of Guangdong in the middle and latter parts of this week. It will be cloudier and temperatures will rise gradually over the region. Another northeast monsoon is expected to affect the south China coastal areas early next week.

Date
18/12 (Tue)
19/12(Wed)
20/12(Thu)
Weather

Mainly fine and dry. Cool in the morning.

Mainly cloudy with a few light rain patches.

Sunny periods. A few light rain patches in the morning.
Wind NE force 4, becoming E force 4 to 5 later. E force 4, force 5 at first. E force 3 to 4.
Temp.
16 - 22 °C
19 - 22 °C
20 - 23 °C
R.H.
50 - 80 %
75 - 90 %
80 - 90 %

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


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

The following photo shows the real-time view of Victoria Harbour (active from 5am to 9pm), as viewed from Central towards the east.

Real-time photo at Central

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 20:30 HKT on 17 Dec 18

Original code: METAR VHHH 171230Z 09004KT 030V140 CAVOK 18/09 Q1023 NOSIG=

Wind Visibility Weather Cloud Base Temperature Dew Point Pressure (QNH)
4 knots from 090 degrees (E), variability: 030-140 degrees
10 km or above
No significant weather
No cloud below 5000 feet,
no cumulonimbus.
18 oC
9 oC
1023 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 :


Current Partner Sites [Details]

 

Our Facebook Page [Link]

 

Statistics


This site is best viewed at 1024 x 768 resolution.

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: Thu, Jan 04 2018




Statistics