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Weather Information for South China Coastal Waters

Bulletin issued at 15:02 HKT 04/Dec/2016

At 3 p.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 66 per cent.
During the past hour the mean UV Index recorded at King's Park was 3. The intensity of UV radiation was moderate.

Please be reminded that:

The Fire Danger Warning is Yellow and the fire risk is high.

The air temperatures at other places were:

King's Park 26 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 26 degrees;
Lau Fau Shan 24 degrees;
Tai Po 25 degrees;
Sha Tin 26 degrees;
Tuen Mun 25 degrees;
Tseung Kwan O 25 degrees;
Sai Kung 24 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 24 degrees;
Tsing Yi 25 degrees;
Shek Kong 26 degrees;
Tsuen Wan Ho Koon 25 degrees;
Tsuen Wan Shing Mun Valley 27 degrees;
Hong Kong Park 25 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 27 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 27 degrees;
Stanley 24 degrees;
Kwun Tong 26 degrees;
Sham Shui Po 26 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 26 degrees.


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


Climatological Information for 4 Dec

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 15:20 HKT 04/Dec/2016

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

A weak northeast monsoon is affecting Guangdong. Meanwhile, a band of clouds is covering the south China coast and the northern part of the South China Sea.

Weather forecast for this afternoon and tonight

Cloudy. Sunny intervals in the afternoon. It will also be dry with haze. Light to moderate northeasterly winds.

Outlook : Mild tomorrow. Cooler mornings in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 04/12/2016; 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
Traditional Chinese Simplified Chinese

Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 04/Dec/2016

N0 WARNING.

GENERAL SITUATION AT 032100 UTC:
THE NORTHEAST MONSOON PERSISTS OVER THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 040100 UTC:

HONG KONG= NE 3-4. DOWN TO 4000 M IN SOME HAZE. A FEW RAIN PATCHES AT FIRST. SWELL NE UP TO 2 M. TEMP 24-20 C. =
KWANGTUNG= NE 4-5, OCNL 6. RAIN PATCHES. SEA UP TO 3 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
BASHI= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2-3 M. =
PRATAS= NE 6. RAIN PATCHES. SEA 3 M. SWELL NE 2-3 M. =
BALINTANG= E TO NE 5-6. FINE. SEA 2-3 M. SWELL NE 2-3 M. =
SCARBOROUGH= NE 5-6. FINE. SEA 2-3 M. SWELL NE 3 M. =
PARACEL= NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2-3 M. =
TONKIN= NE 4-5, OCNL 6. RAIN PATCHES. SEA UP TO 3 M. =
DANANG= NE 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL NE 2-3 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 04/Dec/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 04 December 2016

    Warnings:
    Strong winds in Nan'ao, Shanwei, south of Hong Kong and Shangchuan Dao.

    Weather Situation:
    The northeast monsoon is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    Northeast force 3 to 4.
    Visibility relatively low in some areas.
    Slight to moderate seas.

    Nan'ao, Shanwei, South of Hong Kong and Shangchuan Dao:
    Northeast force 4 to 5, occasionally force 6.
    Moderate to rough seas.

    Outlook for the next 48 hours
    Northeasterly winds of force 5 to 6, becoming northerly winds of up to force 7.

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

    Waglan Island Wind variable force 1
      Visibility 9 Kilometres

    Shantou Wind calm
      Visibility 12 Kilometres

    Dongsha Wind east-northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind north-northwest force 1

    Macau Wind north-northeast force 2
      Visibility 6 Kilometres

    Xisha Wind northeast force 3
      Visibility 12 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 04/DEC/2016
    (Next update at 17:30 HKT 04/DEC/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  040/5-10
       OFFSHORE:  050/10-15                            22-25
   B.   2000 FT:  050/10-15                            18
   C.   5000 FT:  360/15                               14
   D.  10000 FT:  250/15                               7
   E.  18000 FT:  250/30                               MS7
   F.  24000 FT:  250/40                               MS16
   G.  30000 FT:  250/45                               MS31
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2000 - 2800 FT.
   I. WEATHER       : 
      MAINLY CLOUDY AT FIRST. BECOMING SUNNY
      INTERVALS. LOCALIZED HAZE/MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN HAZE/MIST.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 7600 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 1.5-2.0 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE NORTHEASTERLY WINDS. CLOUDY
     PERIODS. LOCALIZED HAZE/MIST.=

    ===================================================================
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
    Traditional Chinese Simplified Chinese

    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 13:10 HKT on 26 Nov 16

    VHHK SIGMET 1 VALID 260110/260510 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1854 E11200 - N1930 E11130 - N2012 E11130 - N2036 E11230 - N1912 E11230 - N1854 E11200 TOP FL420 MOV S 10KT NC= VHHK SIGMET 2 VALID 260510/260910 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1754 E11254 - N1924 E11136 - N2000 E11236 - N1754 E11254 TOP FL420 MOV SSE 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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    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 04/Dec/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     22.8 C
Minimum Air Temperature                     19.9 C
Grass Minimum Temperature                   19.2 C
Relative Humidity                        70 - 83 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          3020.2 mm
Against an average of                     2373.8 mm

Other Stations                Min                  Max
King's Park                  19.5 C               23.0 C
Wong Chuk Hang               19.6 C               22.6 C
Ta Kwu Ling                  16.7 C               24.0 C
Lau Fau Shan                 17.6 C               22.9 C
Tai Po                       18.3 C               21.9 C
Sha Tin                      19.0 C               22.8 C
Tuen Mun                     18.6 C               23.0 C
Tseung Kwan O                18.6 C               23.5 C
Sai Kung                     19.0 C               22.5 C
Cheung Chau                  19.5 C               21.9 C
Chek Lap Kok                 19.8 C               24.0 C
Tsing Yi                     19.9 C               23.6 C
Shek Kong                    18.4 C               23.6 C
Tsuen Wan Ho Koon            18.1 C               22.8 C
Tsuen Wan Shing Mun Valley   19.3 C               23.0 C
Hong Kong Park               19.8 C               22.6 C
Shau Kei Wan                 19.0 C               23.0 C
Kowloon City                 18.9 C               22.8 C
Happy Valley                 20.1 C               23.5 C
Wong Tai Sin                 19.3 C               24.4 C
Stanley                      19.8 C               21.9 C
Kwun Tong                    19.0 C               22.6 C
Sham Shui Po                 19.5 C               23.7 C
Kai Tak Runway Park          20.1 C               23.2 C
Yuen Long Park               18.3 C               23.5 C

Duration of sunshine (King's Park):              0.7 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 4.
Sea surface temperature (Waglan Island):        23.1 C 

Yesterday's (03 Dec 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                         0.12
Sha Tau Kok                         0.10
Kwun Tong                           0.12
Sai Wan Ho                          0.09
King's Park                         0.14
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 03 Dec
     2003copy right image | Important notices | Privacy policy Last revision date: <04 Dec 2016> 

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