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

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

Tropical Cyclone Information [Details] [HKO link]

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.

Astronomical / Tidal Information [Details] [HKO link]

Info for 19/02/2019 (Tuesday):

Astro. Info				Tide
Sunrise	:	06:53		03:24	0.2 m
Sunset	:	18:22		10:14	1.5 m
Moonrise	:	18:03		14:26	1.0 m
Moonset	:	06:28		21:15	2.5 m

Feb 19, 17:06 HKT: Moon Perigee: 356800 km

Feb 19, 23:53 HKT: Full Moon

Weather at a Glance [Details] [HKO link]

Data as of 04:50 on 19/2/2019

• In Brief
• Detailed

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)
	UV:	N/A
	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]

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.

Date	19/2 (Tue)	20/2(Wed)	21/2(Thu)
Weather	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.
Temp.	18 - 22 °C	21 - 25 °C	21 - 25 °C
R.H.	75 - 95 %	75 - 95 %	75 - 95 %

Extended Temperature Outlook [HKO link]

Maximum temperature:

Minimum 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]

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
Temporarily	4000 m	Moderate showers of rain

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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