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Bulletin issued at 09:02 HKT 07/Nov/2016

At 9 a.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 83 per cent.
During the past hour the mean UV Index recorded at King's Park was 1. The intensity of UV radiation was low.

The air temperatures at other places were:

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

Between midnight and 9 a.m. the minimum temperature was 23.4 degrees Celsius at the Hong Kong Observatory.


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


Climatological Information for 7 Nov

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


Local Weather Forecast
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UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 08:45 HKT 07/Nov/2016

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

An easterly airstream is affecting the coast of Guangdong.

Weather forecast for today

Sunny periods. The maximum temperature will be about 28 degrees. Moderate easterly winds.

Outlook : Sunny periods tomorrow. Appreciably cooler in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 07/11/2016; 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 07/Nov/2016

N0 WARNING.

GENERAL SITUATION AT 062100 UTC:
AN EASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 070100 UTC:

HONG KONG= E 4-5. FINE. SEA UP TO 2 M. TEMP 28-23 C. =
KWANGTUNG= E 5. FINE. SEA 2 M. SWELL E UP TO 2 M. =
TAIWAN STRAIT= NE 4-5. FINE. SEA UP TO 2 M. =
BASHI= E 5. ISOL SHOWERS. SEA 2 M. SWELL E UP TO 2 M. =
PRATAS= E 5. FINE. SEA 2 M. SWELL E UP TO 2 M. =
BALINTANG= E 5, OCNL 6. FINE. SEA 2-3 M. SWELL E UP TO 2 M. =
SCARBOROUGH= NE 5, OCNL 6. ISOL SHOWERS. SEA 2-3 M. =
PARACEL= E 5-6. DOWN TO 4000 M IN ISOL SHOWERS AND TS. SEA 2-3 M. SWELL E 2 M. =
TONKIN= E 5-6, NE 6 LATER. DOWN TO 4000 M IN RAIN PATCHES LATER. SEA 2-3 M. =
DANANG= E 5-6. DOWN TO 4000 M IN ISOL SHOWERS AND TS. SEA 2-3 M. SWELL E 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 09:30 HKT 07/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 07 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.
    Moderate seas.

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

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

    Outlook for the next 48 hours
    Easterly winds of force 5 to 6, becoming northeasterly winds of force 7.

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

    Waglan Island Wind east-northeast force 4
      Visibility 12 Kilometres

    Shantou Wind east-southeast force 1
      Visibility 10 Kilometres

    Dongsha Wind northeast force 1
      Visibility 10 Kilometres

    Huangmaozhou Wind east-northeast force 5

    Macau Wind north-northeast force 2
      Visibility 6 Kilometres

    Xisha Wind east-northeast force 2
      Visibility 30 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
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    Weather Forecast for Local Aviation

    Bulletin issued at 09:30 HKT 07/NOV/2016
    (Next update at 17:30 HKT 07/NOV/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  070/5-10
       OFFSHORE:  080/10-15                            26-29
   B.   2000 FT:  110/10-15                            19
   C.   5000 FT:  160/10                               14
   D.  10000 FT:  270/15                               11
   E.  18000 FT:  310/15                               MS4
   F.  24000 FT:  310/20                               MS14
   G.  30000 FT:  280/25                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      SUNNY PERIODS. LOCALIZED HAZE/MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN HAZE/MIST.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 11000 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 26 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS.  CLOUDY PERIODS.=

    ===================================================================
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 10:10 HKT on 02 Nov 16

    VHHK SIGMET Z99 VALID 020210/020220 VHHH- VHHK HONG KONG FIR THIS IS A TEST SIGMET, PLEASE DISREGARD. TEST TC ADVISORY NUMBER 01 RECEIVED FROM TOKYO TCAC AT 020200Z=

    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 07/Nov/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     26.9 C
Minimum Air Temperature                     22.4 C
Grass Minimum Temperature                   21.3 C
Relative Humidity                        69 - 87 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          2888.9 mm
Against an average of                     2345.1 mm

Other Stations                Min                  Max
King's Park                  21.3 C               27.1 C
Wong Chuk Hang               19.3 C               26.4 C
Ta Kwu Ling                  17.4 C               27.6 C
Lau Fau Shan                 19.7 C               27.7 C
Tai Po                       19.7 C               26.4 C
Sha Tin                      18.8 C               26.8 C
Tuen Mun                     20.6 C               26.0 C
Tseung Kwan O                19.5 C               27.1 C
Sai Kung                     20.3 C               25.2 C
Cheung Chau                  21.9 C               25.5 C
Chek Lap Kok                 22.0 C               28.2 C
Tsing Yi                     20.6 C               27.2 C
Shek Kong                    18.3 C               27.2 C
Tsuen Wan Ho Koon            19.3 C               26.3 C
Tsuen Wan Shing Mun Valley   18.9 C               26.4 C
Hong Kong Park               20.9 C               26.1 C
Shau Kei Wan                 21.5 C               25.3 C
Kowloon City                 21.5 C               27.8 C
Happy Valley                 19.7 C               27.5 C
Wong Tai Sin                 20.2 C               27.3 C
Stanley                      21.9 C               26.0 C
Kwun Tong                    21.5 C               26.3 C
Sham Shui Po                 21.2 C               27.3 C
Kai Tak Runway Park          22.9 C               25.9 C
Yuen Long Park               18.8 C               27.5 C

Duration of sunshine (King's Park):              8.0 H
The mean UV index recorded at King's Park yesterday was 3,
the UV intensity was Moderate.
The maximum UV index for yesterday was 6.
Sea surface temperature (Waglan Island):        26.8 C 

Yesterday's (06 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                          0.09
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 06 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <07 Nov 2016> 

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