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Bulletin issued at 15:02 HKT 11/Jun/2018

At 3 p.m. at the Hong Kong Observatory the air temperature was 33 degrees Celsius and the relative humidity 44 per cent.
During the past hour the mean UV Index recorded at King's Park was 7. The intensity of UV radiation was high.

Please be reminded that:

The Very Hot Weather Warning is now in force. Very hot weather might cause adverse health effects. Members of the public should take care to avoid heatstroke.

The air temperatures at other places were:

King's Park 33 degrees;
Wong Chuk Hang 33 degrees;
Ta Kwu Ling 35 degrees;
Lau Fau Shan 33 degrees;
Tai Po 32 degrees;
Sha Tin 34 degrees;
Tuen Mun 34 degrees;
Tseung Kwan O 33 degrees;
Sai Kung 31 degrees;
Cheung Chau 31 degrees;
Chek Lap Kok 33 degrees;
Tsing Yi 33 degrees;
Shek Kong 35 degrees;
Tsuen Wan Ho Koon 33 degrees;
Tsuen Wan Shing Mun Valley 33 degrees;
Hong Kong Park 32 degrees;
Shau Kei Wan 31 degrees;
Kowloon City 34 degrees;
Happy Valley 35 degrees;
Wong Tai Sin 34 degrees;
Stanley 32 degrees;
Kwun Tong 34 degrees;
Sham Shui Po 33 degrees;
Kai Tak Runway Park 30 degrees;
Yuen Long Park 35 degrees;
Tai Mei Tuk 33 degrees.


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


Climatological Information for 11 Jun

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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Bulletin updated at 14:45 HKT 11/Jun/2018

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

The weather is generally fine over southeastern China. Locally, temperatures over most parts of the territory rose to about 33 degrees around noon.

Weather forecast for this afternoon and tonight

Mainly fine. Very hot and dry in the afternoon. Light winds.

Outlook : Weather will be unsettled with occasional showers and squally thunderstorms in the next few days.


(The above forecast period is valid up to 23:59 HKT today, 11/06/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 11/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 102100 UTC:
A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 110100 UTC:

HONG KONG= NW 4, S TO SW 4-5 LATER. DOWN TO 4000 M IN SOME HAZE AT FIRST. ISOL SHOWERS. SEA UP TO 2 M LATER. TEMP 33-28 C. =
KWANGTUNG= W TO SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL SW UP TO 2 M. =
TAIWAN STRAIT= NE 4-5. ISOL SHOWERS AND TS AT FIRST. SEA UP TO 2 M. SWELL SW UP TO 2 M. =
BASHI= W TO SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 2 M. =
PRATAS= W TO SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
BALINTANG= W TO SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 2 M. =
SCARBOROUGH= W TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2-3 M. =
PARACEL= W TO SW 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. SWELL SW 2-3 M. =
TONKIN= SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. =
DANANG= W TO SW 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 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.


  • Map showing the 10 forecast areas
  • Tidal Information

    • 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 12:30 HKT 11/Jun/2018

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 11 June 2018

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

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    North force 4, becoming south to southwest force 4 to 5 later.
    Isolated showers.
    Moderate seas.

    Nan'ao and Shanwei:
    Northwest force 4 to 5, becoming south to southwest force 4 to 5 later.
    Moderate seas.

    South of Hong Kong and Shangchuan Dao:
    West to southwest force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

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

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

    Shantou Wind west force 2
      Visibility 30 Kilometres

    Huangmaozhou Wind east force 3

    Macau Wind north-northeast force 2
      Visibility 14 Kilometres

    Xisha Wind west-southwest force 3
      Visibility 19 Kilometres

  • Explanation of Seas or Sea Waves
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 12:30 HKT 11/JUN/2018
    (Next update at 17:30 HKT 11/JUN/2018)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE WEATHER IS GENERALLY FINE OVER SOUTHEASTERN
     CHINA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  330/5-10
                  BEC 180/5-10
       OFFSHORE:  360/5-10
                  BEC 180/10                           34-29
   B.   2000 FT:  330/5-10                             24
   C.   5000 FT:  300/15                               19
   D.  10000 FT:  290/15                               12
   E.  18000 FT:  270/15                               MS2
   F.  24000 FT:  240/15                               MS12
   G.  30000 FT:  250/15                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT.
   K. VISIBILITY    : 7 KM.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 11400 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE SOUTHTERLY WINDS. MAINLY
     CLOUDY. ISOLATED SHOWERS AND 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 12:34 HKT on 11 Jun 18

    VHHK SIGMET 1 VALID 110045/110445 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2006 E11248 - N1948 E11130 - N2130 E11130 - N2206 E11248 - N2006 E11248 TOP FL450 MOV E 10KT NC= VHHK SIGMET 2 VALID 110445/110845 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1918 E11606 - N1642 E11400 - N1930 E11130 - N2030 E11130 - N2142 E11348 - N1918 E11606 TOP FL450 MOV E 15KT 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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     2003copy right image | Important notices | Privacy policy 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 11/Jun/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     33.4 C
Minimum Air Temperature                     27.4 C
Grass Minimum Temperature                   26.1 C
Relative Humidity                        56 - 83 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January           396.3 mm
Against an average of                      795.5 mm

Other Stations                Min                  Max
King's Park                  27.0 C               33.7 C
Wong Chuk Hang               26.3 C               32.9 C
Ta Kwu Ling                  25.3 C               33.9 C
Lau Fau Shan                 25.9 C               33.1 C
Tai Po                       26.2 C               33.6 C
Sha Tin                      26.5 C               34.2 C
Tuen Mun                     26.8 C               33.1 C
Tseung Kwan O                25.3 C               34.1 C
Sai Kung                     27.3 C               33.5 C
Cheung Chau                  26.3 C               34.3 C
Chek Lap Kok                 27.5 C               33.3 C
Tsing Yi                     26.7 C               34.2 C
Shek Kong                    25.8 C               33.8 C
Tsuen Wan Ho Koon            25.1 C               32.3 C
Tsuen Wan Shing Mun Valley   25.7 C               33.8 C
Hong Kong Park               27.0 C               33.5 C
Shau Kei Wan                 27.3 C               34.3 C
Kowloon City                 26.5 C               34.4 C
Happy Valley                 27.4 C               35.8 C
Wong Tai Sin                 26.6 C               34.7 C
Stanley                      27.1 C               33.8 C
Kwun Tong                    27.0 C               34.0 C
Sham Shui Po                 27.0 C               34.1 C
Kai Tak Runway Park          27.4 C               34.2 C
Yuen Long Park               25.6 C               34.1 C
Tai Mei Tuk               26.3 C               33.6 C

Duration of sunshine (King's Park):              7.5 H
The mean UV index recorded at King's Park yesterday was 4,
the UV intensity was Moderate.
The maximum UV index for yesterday was 8.
 

Yesterday's (10 Jun 2018) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 to
0.15 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                         0.15
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.13
Chek Lap Kok                        0.13

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 10 Jun
     2003copy right image | Important notices | Privacy policy Last revision date: <11 Jun 2018> 

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