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

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Bulletin issued at 23:02 HKT 06/Dec/2016

At 11 p.m. at the Hong Kong Observatory the air temperature was 19 degrees Celsius and the relative humidity 60 per cent.

Please be reminded that:

The Fire Danger Warning is Red and the fire risk is extreme.

The air temperatures at other places were:

King's Park 19 degrees;
Wong Chuk Hang 19 degrees;
Ta Kwu Ling 16 degrees;
Lau Fau Shan 18 degrees;
Tai Po 17 degrees;
Sha Tin 19 degrees;
Tuen Mun 19 degrees;
Tseung Kwan O 18 degrees;
Sai Kung 19 degrees;
Cheung Chau 18 degrees;
Chek Lap Kok 20 degrees;
Tsing Yi 20 degrees;
Shek Kong 17 degrees;
Tsuen Wan Ho Koon 17 degrees;
Tsuen Wan Shing Mun Valley 17 degrees;
Hong Kong Park 19 degrees;
Shau Kei Wan 18 degrees;
Kowloon City 18 degrees;
Happy Valley 20 degrees;
Wong Tai Sin 19 degrees;
Stanley 19 degrees;
Kwun Tong 19 degrees;
Sham Shui Po 19 degrees;
Kai Tak Runway Park 20 degrees;
Yuen Long Park 19 degrees.


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


Climatological Information for 6 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 23:15 HKT 06/Dec/2016

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

A replenishment of the northeast monsoon reached the coastal areas of Guangdong this morning. Locally, it was mainly cloudy and dry. There were sunny intervals during the day. The relative humidity in many places maintained at around 50 per cent in the afternoon. Under the influence of the dry northeast monsoon, it will be generally fine over southern China in the next few days. Temperature difference between day and night over the region will be relatively large.

Weather forecast for Hong Kong (Wednesday, 7 Dec 2016)

Mainly cloudy at first. The minimum temperature in the morning will be about 18 degrees in the urban areas, and a couple of degrees lower in the New Territories. Dry with sunny periods during the day. The maximum temperature will be around 22 degrees. Moderate north to northeasterly winds.

Outlook : Mainly fine and dry for the rest of the week. It will be slightly cooler in the morning.


(The above forecast period is valid up to 23:59 HKT tomorrow, 07/12/2016; 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 21:00 HKT 06/Dec/2016

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

GENERAL SITUATION AT 060900 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 061300 UTC:

HONG KONG= N TO NE 4-5, OCNL 6. CLD. SEA 2 M. TEMP 18-22 C. =
KWANGTUNG= N TO NE 6-7. CLD. SEA 3-4 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 7-8. CLD. SEA 4-6 M. SWELL NE 2-3 M. =
BASHI= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 2-3 M. =
PRATAS= NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
BALINTANG= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 2-3 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 NE 2 M. =
TONKIN= NE 6-7. RAIN PATCHES. SEA 3-4 M. =
DANANG= N TO NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 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 23:30 HKT 06/Dec/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 06 December 2016

    Warnings:
    Gale force winds in Nan'ao. Strong winds in Hong Kong adjacent waters, 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:
    North to northeast force 4 to 5, occasionally force 6.
    Moderate to rough seas.

    Nan'ao:
    Northeast force 6 to 7, occasionally force 8.
    Rough to very rough seas.

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

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

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

    Waglan Island Wind north-northeast force 4
      Visibility 9 Kilometres

    Shantou Wind east-northeast force 1
      Visibility 9 Kilometres

    Dongsha Wind northeast force 5
      Visibility 10 Kilometres

    Huangmaozhou Wind northeast force 4

    Macau Wind north-northeast force 4
      Visibility 10 Kilometres

    Xisha Wind east-northeast force 4
      Visibility 9 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 17:30 HKT 06/DEC/2016
    (Next update at 01:30 HKT 07/DEC/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
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 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  020/10-15
       OFFSHORE:  020/15-20, OCNL 25 AT FIRST          21-17
   B.   2000 FT:  060/15-20                            15
   C.   5000 FT:  090/10-15                            14
   D.  10000 FT:  240/10                               8
   E.  18000 FT:  260/25-30                            MS7
   F.  24000 FT:  260/50                               MS18
   G.  30000 FT:  260/65                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      4500 - 4700 FT.
   I. WEATHER       : 
      MAINLY CLOUDY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 4000 FT. BKN 10000 FT.
   K. VISIBILITY    : 8 KM.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 7200 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTH TO NORTHEASTERLY WINDS, FRESH
     OFFSHORE.  MAINLY CLOUDY, SUNNY PERIODS DURING
     THE DAY.=

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

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

Hong Kong Observatory
Maximum Air Temperature                     25.9 C
Minimum Air Temperature                     21.8 C
Grass Minimum Temperature                   20.0 C
Relative Humidity                        63 - 90 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                  21.4 C               27.2 C
Wong Chuk Hang               19.4 C               27.0 C
Ta Kwu Ling                  19.4 C               29.1 C
Lau Fau Shan                 20.5 C               25.9 C
Tai Po                       20.5 C               26.3 C
Sha Tin                      20.4 C               26.9 C
Tuen Mun                     20.5 C               28.3 C
Tseung Kwan O                19.8 C               26.9 C
Sai Kung                     20.4 C               24.7 C
Cheung Chau                  20.6 C               24.7 C
Chek Lap Kok                 21.7 C               26.8 C
Tsing Yi                     20.8 C               27.5 C
Shek Kong                    20.1 C               28.4 C
Tsuen Wan Ho Koon            19.8 C               26.8 C
Tsuen Wan Shing Mun Valley   19.9 C               28.4 C
Hong Kong Park               21.1 C               26.2 C
Shau Kei Wan                 20.7 C               24.7 C
Kowloon City                 21.1 C               27.7 C
Happy Valley                 21.2 C               28.5 C
Wong Tai Sin                 21.1 C               28.8 C
Stanley                      20.1 C               24.3 C
Kwun Tong                    21.6 C               28.0 C
Sham Shui Po                 21.3 C               28.0 C
Kai Tak Runway Park          21.9 C               26.1 C
Yuen Long Park               19.8 C               29.3 C

Duration of sunshine (King's Park):              5.0 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 5.
Sea surface temperature (Waglan Island):        23.1 C 

Yesterday's (05 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 05 Dec
     2003copy right image | Important notices | Privacy policy Last revision date: <06 Dec 2016> 

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