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

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

Tropical Cyclone Information [Details] [HKO link]

Astronomical / Tidal Information [Details] [HKO link]

Info for 22/04/2018 (Sunday):

Astro. Info				Tide
Sunrise	:	05:58		03:19	1.4 m
Sunset	:	18:46		06:24	1.3 m
Moonrise	:	11:23		13:46	2.1 m
Moonset	:	00:04		21:22	0.6 m

Apr 23, 01:49 HKT: Lyrid Shower: ZHR = 20

Apr 23, 05:46 HKT: First Quarter

Apr 23, 20:19 HKT: Moon Ascending Node

Weather at a Glance [Details] [HKO link]

Data as of 08:20 on 22/4/2018

• In Brief
• Detailed

24.6 C	87 %	1012.8 hPa
All measurements taken at Hong Kong Observatory

HKO	Temp.:	24.6 C
	RH.:	87 %
	Apparent Temp.:	24.6 C
	Dew Point:	22.3 C
	Temp. of today:	24.7 / 23.7 C (Range 1.0 C)
	Mean SLP.:	1012.8 hPa
King's Park	Wind:	12 km/h (E)
	UV:	0.5 (Low)
	Rain:	0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 20:00 HKT on 21/4/2018 - Level of instability:

Delta P Values

At 2018/04/22 05 HKT: [Explanation] [Values for the past 10 days]

Delta p(972) = -3.1
Delta p(S) = -0.5

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

Data as of 05:50 HKT 22/Apr/2018

General Situation: A southerly airstream will bring hot weather to the coastal areas of Guangdong today and tomorrow. Under the influence of a trough of low pressure, there will be showers and thunderstorms over Guangdong early to midweek this week. The weather is expected to improve over the coastal areas in the latter part of this week.

Date	22/4 (Sun)	23/4(Mon)	24/4(Tue)
Weather	Mainly cloudy. Coastal mist in the morning. Hot with sunny periods during the day.	Coastal mist in the morning. Hot with sunny periods during the day. One or two showers at night.	Cloudy with showers and a few squally thunderstorms.
Wind	SE force 2 to 3.	S force 2 to 3.	Light winds force 2, becoming N force 4 later.
Temp.	24 - 30 °C	24 - 30 °C	22 - 26 °C
R.H.	65 - 95 %	65 - 95 %	75 - 95 %

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.

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]

Data as of 08:30 HKT on 22 Apr 18

Original code: METAR VHHH 220030Z 10011KT 9999 FEW014 SCT035 26/22 Q1012 NOSIG=

Wind	Visibility	Weather	Cloud Amount	Cloud Base	Temperature	Dew Point	Pressure (QNH)
11 knots from 100 degrees (E)	10 km or above	No significant weather	1 to 2 oktas 3 to 4 oktas	1400 feet 3500 feet	26 oC	22 oC	1012 hPa

Next Two Hours Change

No Significant Change

Meteorological Calculation

A. Conversion between units Please select unit --------- Temperature --------- C     Celsius F     Fahrenheit K     Kelvin R     Rankine --------- Length --------- km     Kilometre mi     Statute Mile NM     Nautical Mile --     Degree of Latitude m     Metre ft     Foot --------- Speed --------- km/h     Kilometre per Hour m/s     Metre per Second mph     Statute Mile per Hour kt     Knot (Nautical Mile per Hour) --------- Direction --------- Degree(s) => Direction --------- Pressure --------- hPa/mb     Hectopascal/Millibar inHg     Inch of Mercury atm     Atmosphere mmHg     Torr

B. Calculation of distance between places on Earth Place 1:     Lat :   Long : Place 2:     Lat :   Long :

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