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Bulletin issued at 13:02 HKT 12/Nov/2016

At 1 p.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 77 per cent.
During the past hour the mean UV Index recorded at King's Park was 6. The intensity of UV radiation was high.

The air temperatures at other places were:

King's Park 25 degrees;
Wong Chuk Hang 26 degrees;
Ta Kwu Ling 27 degrees;
Lau Fau Shan 25 degrees;
Tai Po 25 degrees;
Sha Tin 25 degrees;
Tuen Mun 26 degrees;
Tseung Kwan O 26 degrees;
Sai Kung 24 degrees;
Cheung Chau 25 degrees;
Chek Lap Kok 27 degrees;
Tsing Yi 27 degrees;
Shek Kong 28 degrees;
Tsuen Wan Ho Koon 27 degrees;
Tsuen Wan Shing Mun Valley 28 degrees;
Hong Kong Park 25 degrees;
Shau Kei Wan 24 degrees;
Kowloon City 26 degrees;
Happy Valley 26 degrees;
Wong Tai Sin 27 degrees;
Stanley 24 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 27 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 29 degrees.


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


Climatological Information for 12 Nov

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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 12:45 HKT 12/Nov/2016

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

An easterly airstream is affecting the coast of Guangdong. Besides, the broad band of clouds covering the region is thinning out gradually.

Weather forecast for this afternoon and tonight

Sunny intervals in the afternoon. Cloudy with one or two rain patches tonight. Moderate easterly winds.

Outlook : Becoming fine in the next couple of days. Warm during the day.


(The above forecast period is valid up to 23:59 HKT today, 12/11/2016; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Information on Tropical Cyclones

Marine Weather Information and Forecast

Weather Information for Aviation

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MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 12/Nov/2016

N0 WARNING.

GENERAL SITUATION AT 112100 UTC:
AN EASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 120100 UTC:

HONG KONG= E 4-5. RAIN PATCHES. SEA UP TO 2 M. TEMP 26-23 C. =
KWANGTUNG= E 4-5. RAIN PATCHES. SEA UP TO 2 M. =
TAIWAN STRAIT= NE 5, OCNL 6. RAIN PATCHES. SEA 2 M. =
BASHI= E TO NE 5, OCNL 6. RAIN PATCHES. SEA 2 M. SWELL NE 2 M. =
PRATAS= E 5, OCNL 6. RAIN PATCHES. SEA 2 M. SWELL NE 2 M. =
BALINTANG= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
SCARBOROUGH= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL NE 2 M. =
PARACEL= E 4-5. RAIN PATCHES. SEA UP TO 2 M. =
TONKIN= E 4, OCNL 5. RAIN PATCHES. SEA UP TO 2 M. =
DANANG= E 4-5. ISOL SHOWERS. SEA UP TO 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 12/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 12 November 2016

    Weather Situation:
    An easterly airstream is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East force 4 to 5.
    A few rain patches.
    Moderate seas.

    Nan'ao:
    East to northeast force 4 to 5.
    Moderate seas.

    Shanwei, South of Hong Kong and Shangchuan Dao:
    East force 4 to 5.
    Moderate seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 4 to 5.

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

    Waglan Island Wind east-northeast force 4
      Visibility 10 Kilometres

    Shantou Wind east force 1
      Visibility 15 Kilometres

    Dongsha Wind east-northeast force 3
      Visibility 10 Kilometres

    Huangmaozhou Wind east-northeast force 5

    Macau Wind northeast force 1
      Visibility 5000 Metres

    Xisha Wind east force 3
      Visibility 23 Kilometres

  • Explanation of Seas or Sea Waves
  • Explanation of Swells
  • Descriptive Terms of Wind Speeds
  • Visibility Readings in Hong Kong Waters
  • Map showing forecast areas
  • Tidal Information

    • WEATHER FORECAST FOR LOCAL AVIATION
    Traditional Chinese Simplified Chinese

    Weather Forecast for Local Aviation

    Bulletin issued at 09:30 HKT 12/NOV/2016
    (Next update at 17:30 HKT 12/NOV/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON NOW AFFECTING THE COASTAL
     AREAS OF GUANGDONG IS MODERATING GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10
       OFFSHORE:  080/10-15, OCNL 20                   24-27
   B.   2000 FT:  140/10-15                            19
   C.   5000 FT:  170/10                               16
   D.  10000 FT:  240/15                               9
   E.  18000 FT:  270/15                               MS4
   F.  24000 FT:  300/30                               MS15
   G.  30000 FT:  290/35                               MS32
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY WITH ONE OR TWO ISOLATED RAIN PATCHES AT
      FIRST.  SUNNY INTERVALS DURING THE DAY.
      LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 4000 FT
   K. VISIBILITY    : 8 KM.  TEMPO 4000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 9400 FT
   M. TURBULENCE    : MOD OFFSHORE
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS.  MAINLY CLOUDY.=

    ===================================================================
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 10:25 HKT on 08 Nov 16

    VHHK SIGMET 1 VALID 080220/080320 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2130 E11548 - N2136 E11648 - N2112 E11700 - N2100 E11606 - N2130 E11548 TOP FL300 STNR WKN= VHHK SIGMET 2 VALID 080225/080325 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2042 E11448 - N2048 E11524 - N2012 E11530 - N2018 E11500 - N2042 E11448 TOP FL300 STNR WKN=

    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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    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/Nov/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     22.3 C
Minimum Air Temperature                     17.1 C
Grass Minimum Temperature                   18.0 C
Relative Humidity                        75 - 85 Percent
Rainfall                                      Trace 
Total rainfall since 1st January          2896.9 mm
Against an average of                     2349.5 mm

Other Stations                Min                  Max
King's Park                  16.5 C               22.3 C
Wong Chuk Hang               16.8 C               22.1 C
Ta Kwu Ling                  13.7 C               19.6 C
Lau Fau Shan                 13.7 C               19.5 C
Tai Po                       14.3 C               20.6 C
Sha Tin                      15.0 C               21.2 C
Tuen Mun                     14.6 C               19.8 C
Tseung Kwan O                15.8 C               22.0 C
Sai Kung                     16.2 C               21.6 C
Cheung Chau                  15.7 C               22.1 C
Chek Lap Kok                 15.7 C               23.3 C
Tsing Yi                     16.4 C               22.3 C
Shek Kong                    14.5 C               20.6 C
Tsuen Wan Ho Koon            14.1 C               22.2 C
Tsuen Wan Shing Mun Valley   15.6 C               22.8 C
Hong Kong Park               17.1 C               22.1 C
Shau Kei Wan                 17.0 C               22.7 C
Kowloon City                 16.3 C               22.5 C
Happy Valley                 17.6 C               22.9 C
Wong Tai Sin                 16.4 C               23.0 C
Stanley                      17.8 C               22.9 C
Kwun Tong                    16.9 C               22.1 C
Sham Shui Po                 16.0 C               22.7 C
Kai Tak Runway Park          17.1 C               22.6 C
Yuen Long Park               14.4 C               20.0 C

Duration of sunshine (King's Park):              0.1 H
The mean UV index recorded at King's Park yesterday was 2,
the UV intensity was Low.
The maximum UV index for yesterday was 3.
Sea surface temperature (Waglan Island):        25.8 C 

Yesterday's (11 Nov 2016) 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                           0.08
Tap Mun                             0.09
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.13
Sha Tau Kok                         0.10
Kwun Tong                           0.12
Sai Wan Ho                          0.10
King's Park                         0.15
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.13
Chek Lap Kok                        0.15

Note

      

    1. From readings taken at various locations in Hong Kong during
the period 1987-2015, the background ambient gamma radiation
levels may vary between 0.06 and 0.30 microsievert per hour.

    2. The extent of health effects to a person as a result of
exposure to radiation is expressed by a physical quantity
called equivalent dose, in unit of sievert.  Protective
action may be required if there is an increase in the
ambient gamma dose rate above background such that the total
additional dose is expected to exceed 5000 microsieverts in
a relatively short period of time. For example, a dose of
5000 microsieverts may be reached when the ambient gamma
dose rate is 1000 microsieverts per hour (several thousand
times above background) and lasts for 5 hours.

    3. The readings of ambient gamma radiation level from
instrument are expressed in unit of gray, which is
numerically equal to the gamma dose expressed in sievert.
    Climatological Information for 11 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <12 Nov 2016> 

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