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

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Weather Information for South China Coastal Waters

Bulletin issued at 07:02 HKT 24/Dec/2016

At 7 a.m. at the Hong Kong Observatory the air temperature was 17 degrees Celsius and the relative humidity 78 per cent.

Please be reminded that:

The Strong Monsoon Signal has been issued.

The air temperatures at other places were:

King's Park 17 degrees;
Wong Chuk Hang 17 degrees;
Ta Kwu Ling 15 degrees;
Lau Fau Shan 15 degrees;
Tai Po 16 degrees;
Sha Tin 16 degrees;
Tuen Mun 16 degrees;
Tseung Kwan O 16 degrees;
Sai Kung 17 degrees;
Cheung Chau 17 degrees;
Chek Lap Kok 17 degrees;
Tsing Yi 17 degrees;
Shek Kong 16 degrees;
Tsuen Wan Ho Koon 14 degrees;
Tsuen Wan Shing Mun Valley 16 degrees;
Hong Kong Park 17 degrees;
Shau Kei Wan 17 degrees;
Kowloon City 16 degrees;
Happy Valley 18 degrees;
Wong Tai Sin 17 degrees;
Stanley 18 degrees;
Kwun Tong 17 degrees;
Sham Shui Po 17 degrees;
Kai Tak Runway Park 18 degrees;
Yuen Long Park 16 degrees.

Between 5:45 and 6:45 a.m., the rainfall recorded in various regions were:

North District 0 to 3 mm;
Yuen Long 0 to 2 mm;
Islands District 0 to 2 mm;
Tuen Mun 0 to 2 mm;
Tsuen Wan 0 to 1 mm;
Tai Po 0 to 1 mm.


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


Climatological Information for 24 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 06:45 HKT 24/Dec/2016

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

A strong northeast monsoon is affecting the coast of Guangdong. Locally, a few millimetres of rainfall were recorded over many places this morning.

At 5 a.m., Typhoon Nock-ten was centred about 920 kilometres east of Manila. It is forecast to move west-northwest at about 16 kilometres per hour in the general direction of the central part of the Philippines and intensify gradually.

Weather forecast for today

Cloudy with one or two rain patches. Cooler in the morning. The maximum temperature will be about 20 degrees during the day. Fresh easterly winds, strong offshore.

Outlook : Windy on Christmas Day. Mild on Boxing Day. Becoming cold in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 24/12/2016; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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MARINE FORECAST
Traditional Chinese Simplified Chinese

Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:25 HKT 23/Dec/2016

GALE WARNING AREAS: KWANGTUNG, TAIWAN STRAIT, BASHI, PRATAS, BALINTANG AND SCARBOROUGH.

GENERAL SITUATION AT 230900 UTC:
AN INTENSE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 231325 UTC:

HONG KONG= E 5-6, OCNL 7. RAIN PATCHES. SEA 3 M. SWELL NE UP TO 2 M. TEMP 19-21 C. =
KWANGTUNG= E TO NE 6-7, OCNL 8 IN E. RAIN PATCHES. SEA 3-4 M, UP TO 6 M IN E. SWELL E TO NE 2-3 M. =
TAIWAN STRAIT= NE 7-8. CLD. SEA 4-6 M. SWELL NE 3 M. =
BASHI= E TO NE 7-8. CLD. SEA 4-6 M. SWELL E TO NE 3 M. =
PRATAS= E 7-8. CLD. SEA 4-6 M. SWELL E TO NE 3 M. =
BALINTANG= E TO NE 7-8. CLD. SEA 4-6 M. SWELL E TO NE 3 M. =
SCARBOROUGH= NE 7-8. FINE. SEA 4-6 M. SWELL NE 2-3 M. =
PARACEL= NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL E TO NE 2-3 M. =
TONKIN= NE 4-5, OCNL 6. CLD. SEA 2 M. =
DANANG= NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL E TO 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 05:30 HKT 24/Dec/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 5:30 a.m. on 24 December 2016

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

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

    At 5 a.m., Typhoon Nock-ten with maximum sustained winds of about 140 kilometres per hour near its centre was located at 13.1 degrees north, 129.4 degrees east. It is forecast to move west-northwest at about 16 kilometres per hour in the general direction of the central part of the Philippines and intensify gradually.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East force 5 to 6, occasionally force 7.
    A few rain patches.
    Moderate to rough seas.

    Nan'ao and Shanwei:
    East to northeast force 6 to 7, occasionally force 8.
    Rough to very rough seas.

    South of Hong Kong and Shangchuan Dao:
    East to northeast force 6 to 7.
    Rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 6 to 7, becoming northerly winds of force 7 later.

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

    Waglan Island Wind east-northeast force 7
      Visibility 11 Kilometres

    Shantou Wind east force 3
      Visibility 27 Kilometres

    Huangmaozhou Wind east-northeast force 7

    Macau Wind east force 3
      Visibility 8 Kilometres

    Xisha Wind east-northeast force 3
      Visibility 15 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 01:30 HKT 24/DEC/2016
    (Next update at 9:00-9:30 HKT 24/DEC/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN INTENSE NORTHEAST MONSOON IS AFFECTING THE
     SOUTH CHINA COASTAL WATERS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/15
       OFFSHORE:  080/20-25, OCNL 35 AT FIRST          19-21
   B.   2000 FT:  110/25-30                            14
   C.   5000 FT:  150/15-20                            13
   D.  10000 FT:  220/20                               6
   E.  18000 FT:  270/35                               MS4
   F.  24000 FT:  270/40                               MS15
   G.  30000 FT:  280/50                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2800 - 4600 FT.
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW RAIN PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT BKN 5000 FT
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 7400 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 2.5-4.0 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, STRONG
     OFFSHORE. MAINLY CLOUDY WITH RAIN PATCHES.=

    ===================================================================
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 24/Dec/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     21.9 C
Minimum Air Temperature                     19.1 C
Grass Minimum Temperature                   18.1 C
Relative Humidity                        66 - 80 Percent
Rainfall                                      Trace 
Total rainfall since 1st January          3023.1 mm
Against an average of                     2387.1 mm

Other Stations                Min                  Max
King's Park                  18.3 C               23.2 C
Wong Chuk Hang               18.7 C               23.3 C
Ta Kwu Ling                  15.7 C               23.1 C
Lau Fau Shan                 16.1 C               22.3 C
Tai Po                       16.4 C               21.4 C
Sha Tin                      17.2 C               21.7 C
Tuen Mun                     17.0 C               24.2 C
Tseung Kwan O                16.6 C               23.4 C
Sai Kung                     17.2 C               21.4 C
Cheung Chau                  17.2 C               20.9 C
Chek Lap Kok                 17.6 C               22.4 C
Tsing Yi                     18.6 C               23.8 C
Shek Kong                    16.4 C               23.3 C
Tsuen Wan Ho Koon            17.0 C               23.7 C
Tsuen Wan Shing Mun Valley   17.7 C               24.0 C
Hong Kong Park               18.4 C               22.9 C
Shau Kei Wan                 17.7 C               22.0 C
Kowloon City                 17.5 C               24.0 C
Happy Valley                 18.7 C               23.0 C
Wong Tai Sin                 17.8 C               24.7 C
Stanley                      18.5 C               21.6 C
Kwun Tong                    17.8 C               22.5 C
Sham Shui Po                 18.0 C               24.1 C
Kai Tak Runway Park          19.1 C               22.3 C
Yuen Long Park               16.5 C               23.3 C

Duration of sunshine (King's Park):              4.1 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 6.
Sea surface temperature (Waglan Island):        22.0 C 

Yesterday's (23 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                          0.10
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 23 Dec
     2003copy right image | Important notices | Privacy policy Last revision date: <24 Dec 2016> 

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