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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 00:02 HKT 12/Jun/2018

At midnight at the Hong Kong Observatory the air temperature was 29 degrees Celsius and the relative humidity 69 per cent.

The air temperatures at other places were:

King's Park 28 degrees;
Wong Chuk Hang 27 degrees;
Ta Kwu Ling 27 degrees;
Lau Fau Shan 28 degrees;
Tai Po 28 degrees;
Sha Tin 28 degrees;
Tuen Mun 28 degrees;
Tseung Kwan O 26 degrees;
Sai Kung 27 degrees;
Cheung Chau 27 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 28 degrees;
Shek Kong 28 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 27 degrees;
Hong Kong Park 29 degrees;
Shau Kei Wan 29 degrees;
Kowloon City 29 degrees;
Happy Valley 28 degrees;
Wong Tai Sin 27 degrees;
Stanley 28 degrees;
Kwun Tong 29 degrees;
Sham Shui Po 29 degrees;
Kai Tak Runway Park 28 degrees;
Yuen Long Park 28 degrees;
Tai Mei Tuk 27 degrees.


Note: The data above is provisional. Only limited data validation has been carried out.


Climatological Information for 12 Jun


Local Weather Forecast
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Local Weather Forecast

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

Current Weather | Regional Temperature Forecast in HK |  9-day Weather Forecast
UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 00:00 HKT 12/Jun/2018

Here is the latest weather bulletin issued by the Hong Kong Observatory.

The weather was generally fine over southeastern China and showers affected the western part of Guangdong yesterday. Locally, it was mainly fine. The weather was very hot and dry during the day. Temperatures over the territory generally rose to 33 degrees or above in the afternoon. A trough of low pressure is expected to bring unsettled weather to the south China coast in the next few days.

Weather forecast for Hong Kong (Tuesday, 12 Jun 2018)

Mainly cloudy with a few showers. It will be more showery with thunderstorms later. Temperatures will range between 28 and 31 degrees. Moderate south to southwesterly winds.

Outlook : Weather will be unsettled with occasional showers and squally thunderstorms in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 12/06/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)



MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 11/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 110900 UTC:
A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 111300 UTC:

HONG KONG= S TO SW 4-5. A FEW SHOWERS, ISOL TS LATER. SEA UP TO 2 M. TEMP 28-31 C. =
KWANGTUNG= S TO SW 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. SWELL SW UP TO 2 M. =
TAIWAN STRAIT= E TO NE 4-5. ISOL SHOWERS AND TS LATER. SEA UP TO 2 M. SWELL SW UP TO 2 M. =
BASHI= W TO SW 5-6, OCNL 7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 2 M. =
PRATAS= SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
BALINTANG= W TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 2 M. =
SCARBOROUGH= SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2-3 M. =
PARACEL= SW 5-6, OCNL 7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 2-3 M. =
TONKIN= SW 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. =
DANANG= SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
NNNN
Abbreviations:
KT, VRB, SLW, FRQ - knot, variable, slow, frequent STNR, QSTNR, C - stationary, quasi-stationary, degrees celsius WKN, INTSF, INTST, NC - weaken, intensify, intensity, no change LGT, ISOL, SCT, OCNL - light, isolated, scattered, occasional CLD, DZ, TS - cloudy, drizzle, thunderstorm

The date and time are specified by a 6-digit number DDHHMM. DD stands for the day of month, HH represents the hour while MM indicates the minute in UTC.



SOUTH CHINA COASTAL WATERS
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South China Coastal Waters

Current Weather | Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 23:30 HKT 11/Jun/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 11 June 2018

Warnings:
Strong winds in south of Hong Kong and Shangchuan Dao.

Weather Situation:
A southwesterly airstream is affecting the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
South to southwest force 4 to 5.
A few showers. Isolated thunderstorms later.
Moderate seas.

Nan'ao:
East force 4, becoming south to southwest force 4 to 5 later.
Isolated showers and thunderstorms later.
Moderate seas.

Shanwei:
South to southwest force 4 to 5.
Isolated showers and thunderstorms later.
Moderate seas.

South of Hong Kong and Shangchuan Dao:
South to southwest force 4 to 5, occasionally force 6.
Isolated showers and thunderstorms.
Moderate to rough seas.

Outlook for the next 48 hours
Southwesterly winds of force 5 to 6, occasionally force 7. Isolated showers and squally thunderstorms.

Latest reports from south China coastal weather stations
--------------------------------------------------------

Waglan Island Wind south-southwest force 3

Shantou Wind east force 2
  Visibility 30 Kilometres

Huangmaozhou Wind south-southeast force 4

Macau Wind south-southeast force 2
  Visibility 7 Kilometres

Xisha Wind west-southwest force 2
  Visibility 23 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 11/JUN/2018
(Next update at 01:30 HKT 12/JUN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  200/5-10                             33-28
   B.   2000 FT:  210/10                               23
   C.   5000 FT:  160/10                               19
   D.  10000 FT:  260/10                               13
   E.  18000 FT:  250/20                               MS3
   F.  24000 FT:  250/20                               MS11
   G.  30000 FT:  240/20                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      4200-4600 FT
   I. WEATHER       : 
      FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT.
   K. VISIBILITY    : 8 KM.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 12800 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE SOUTH TO SOTHWESTERLY WINDS.
     MAINLY CLOUDY WITH A FEW SHOWERS. MORE SHOWERY
     WITH THUNDERSTORMS LATER.=
===================================================================
Note: The forecast could be updated before the next issue time 
whenever there is newly expected occurrence or non-occurrence 
of significant weather as described below which may be hazardous 
to aircraft within 100-km radius of Hong Kong:

(a) Change of the tropical cyclone category
(b) Strong, Gale, Storm, and Hurricane force winds
(c) Thunderstorm/CBs
(d) Severe gusts
(e) Severe turbulence
(f) Significant low stratus
(g) Fog or thick haze/sandstorm/duststorm 
    causing significant reduction of visibility
(h) Volcanic ash
(i) Radioactive cloud
===================================================================
Aviation Weather Observation and Forecast Information for Hong Kong International Airport
To know more about clouds, please see Commonly observed clouds in Hong Kong.


sigmet
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Significant Weather Information (SIGMET)

The Airport Meteorological Office is responsible for monitoring hazardous weather and phenomena in the atmosphere that may affect the safety of aircraft operations within a designated airspace over the northern part of the South China Sea. Weather forecasters at the Airport Meteorological Office issues SIGMET information when hazardous weather and phenomena in the atmosphere such as thunderstorms, tropical cyclones, turbulence, icing occur or are expected to occur in the airspace.

The latest significant weather information
issued by the Hong Kong Observatory at 00:25 HKT on 12 Jun 18

VHHK SIGMET 4 VALID 111225/111625 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2000 E11642 - N1642 E11400 - N1930 E11130 - N1954 E11130 - N2000 E11324 - N2100 E11442 - N2000 E11642 TOP FL420 MOV E 15KT NC= VHHK SIGMET 6 VALID 111625/112025 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2006 E11648 - N1642 E11400 - N1912 E11142 - N2112 E11506 - N2006 E11648 TOP FL420 MOV E 10KT NC=

Please click here for more about the SIGMET


Tropical Cyclone Warning
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Tropical Cyclone Warning

There is no tropical cyclone warning signal.

For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


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Last revision date: <11 Jun 2018> 

TROPICAL CYCLONE WARNING FOR SHIPPING
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Tropical Cyclone Warning for Shipping

There is no tropical cyclone warning for shipping*.




*Tropical cyclone warnings for shipping are issued by the Hong Kong Observatory for tropical cyclones located within the area bounded by 105E and 125E , 10N and 30N.




For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


YESTERDAY'S WEATHER AND RADIATION LEVEL Skip to main content
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Yesterday's Weather and Radiation Level

Bulletin issued at 00:15 HKT 12/Jun/2018
HKO Readings & Radiation Level

Yesterday's Weather and Radiation Level:
------------------------------------------------------

Hong Kong Observatory
Maximum Air Temperature                     34.3 C
Minimum Air Temperature                     28.0 C
Grass Minimum Temperature                   25.5 C
Relative Humidity                        44 - 76 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January           396.3 mm
Against an average of                      818.6 mm

Other Stations                Min                  Max
King's Park                  27.8 C               34.1 C
Wong Chuk Hang               25.8 C               33.0 C
Ta Kwu Ling                  23.6 C               35.1 C
Lau Fau Shan                 25.8 C               33.7 C
Tai Po                       25.5 C               32.1 C
Sha Tin                      25.1 C               34.6 C
Tuen Mun                     26.4 C               34.3 C
Tseung Kwan O                24.3 C               34.2 C
Sai Kung                     26.5 C               33.4 C
Cheung Chau                  26.6 C               32.5 C
Chek Lap Kok                 27.6 C               34.4 C
Tsing Yi                     26.6 C               33.6 C
Shek Kong                    24.9 C               35.0 C
Tsuen Wan Ho Koon            24.7 C               32.8 C
Tsuen Wan Shing Mun Valley   24.9 C               33.8 C
Hong Kong Park               26.6 C               34.1 C
Shau Kei Wan                 27.4 C               34.0 C
Kowloon City                 27.6 C               35.0 C
Happy Valley                 26.4 C               35.3 C
Wong Tai Sin                 26.8 C               34.7 C
Stanley                      26.8 C               33.2 C
Kwun Tong                    27.6 C               34.1 C
Sham Shui Po                 26.8 C               33.6 C
Kai Tak Runway Park          27.6 C               32.8 C
Yuen Long Park               24.7 C               34.8 C
Tai Mei Tuk               26.2 C               34.2 C

Duration of sunshine (King's Park):              11.7 H
The mean UV index recorded at King's Park yesterday was 5,
the UV intensity was Moderate.
The maximum UV index for yesterday was 9.
 

Yesterday's (11 Jun 2018) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 to
0.14 microsievert per hour.  These are within the normal
range of fluctuation of the background radiation level in
Hong Kong (see Note). The average dose rates measured at the
radiation monitoring stations over various parts of the
territory were as follows :

Station                     Yesterday's average
                            (microsievert/hour)
Ping Chau                           0.09
Tap Mun                             0.09
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.12
Sha Tau Kok                         0.10
Kwun Tong                           0.13
Sai Wan Ho                          0.08
King's Park                         0.14
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.13
Chek Lap Kok                        0.14

Note
  1. From readings taken at various locations in Hong Kong in the past, the hourly mean ambient gamma radiation dose rate may vary between 0.06 and 0.3 microsievert per hour. (1 microsievert = 0.000001 sievert = 0.001 millisievert)
  2. Temporal variations are generally caused by changes in meteorological conditions such as rainfall, wind and barometric pressure.
  3. Spatial variations are generally caused by differences in the radioactive content of local rock and soil.
  4. The data displayed is provisional. Only limited data validation has been carried out.
Climatological Information for 11 Jun
Last revision date: <12 Jun 2018> 

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