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Bulletin issued at 18:02 HKT 08/Nov/2018

At 6 p.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 78 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.0. 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 26 degrees;
Lau Fau Shan 25 degrees;
Tai Po 25 degrees;
Sha Tin 26 degrees;
Tuen Mun 25 degrees;
Tseung Kwan O 24 degrees;
Sai Kung 26 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 25 degrees;
Tsing Yi 25 degrees;
Shek Kong 26 degrees;
Tsuen Wan Ho Koon 24 degrees;
Tsuen Wan Shing Mun Valley 25 degrees;
Hong Kong Park 25 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 26 degrees;
Happy Valley 26 degrees;
Wong Tai Sin 26 degrees;
Stanley 25 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 26 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 25 degrees;
Tai Mei Tuk 25 degrees.


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


Climatological Information for 8 Nov

Regional Weather in Hong Kong

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Bulletin updated at 17:45 HKT 08/Nov/2018

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

The northeast monsoon is affecting the south China coastal areas.

Weather forecast for tonight and tomorrow

Mainly cloudy. Relatively low visibility in some areas at first. Sunny periods tomorrow. Temperatures will range between 22 and 26 degrees. Moderate northeasterly winds, easterlies will strengthen gradually later tomorrow. Light rain patches at night.

Outlook : Windier on Saturday. Sunny periods on Sunday.


(The above forecast period is valid up to 23:59 HKT tomorrow, 09/11/2018; 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 08/Nov/2018

N0 WARNING.

GENERAL SITUATION AT 072100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 080100 UTC:

HONG KONG= N TO NE 4, OCNL 5. DOWN TO 4000 M IN HAZE PATCHES AT FIRST. SEA UP TO 2 M. TEMP 27-21 C. =
KWANGTUNG= N TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
TAIWAN STRAIT= NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
BASHI= E TO NE 5-6. FINE. SEA 2-3 M. SWELL E TO NE 2 M. =
PRATAS= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE 2 M. =
BALINTANG= E TO NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL E TO NE 2 M. =
SCARBOROUGH= NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL E TO NE 2 M. =
PARACEL= E TO NE 5-6. FINE. SEA 2-3 M. SWELL E UP TO 2 M. =
TONKIN= N TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. =
DANANG= E TO NE 4-5, OCNL 6. LGT RAIN PATCHES. SEA UP TO 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
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    • SOUTH CHINA COASTAL WATERS
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    South China Coastal Waters

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    Bulletin issued at 16:30 HKT 08/Nov/2018

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 08 November 2018

    Warnings:
    Strong winds in all areas.

    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 4 to 5, becoming east force 6 later.
    Visibility relatively low in some areas at first.
    Moderate seas, becoming rough later.

    Nan'ao and Shanwei:
    Northeast force 5 to 6, force 7 later.
    Moderate to rough seas.

    South of Hong Kong and Shangchuan Dao:
    Northeast force 5 to 6, becoming east force 7 later.
    Moderate to rough seas.

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

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

    Waglan Island Wind east force 1
      Visibility 11 Kilometres

    Shantou Wind west force 2
      Visibility 8 Kilometres

    Huangmaozhou Wind north-northwest force 4

    Macau Wind north force 2
      Visibility 7 Kilometres

    Xisha Wind northeast force 3
      Visibility 19 Kilometres

  • Explanation of Seas or Sea Waves
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 17:30 HKT 08/NOV/2018
    (Next update at 01:30 HKT 09/NOV/2018)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  020/10
       OFFSHORE:  020/15, OCNL 20 LATER                26-22
   B.   2000 FT:  020/15 BEC 080/15, OCNL 20           18
   C.   5000 FT:  130/10                               15
   D.  10000 FT:  260/10                               10
   E.  18000 FT:  250/20                               MS5
   F.  24000 FT:  240/35                               MS17
   G.  30000 FT:  250/50                               MS32
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY.  LOCALIZED HAZE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT  SCT 4000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 4000 M IN HAZE.
   L. 0 DEG. C LEVEL: 15000 FT
      10 DEG. C LEVEL(S) : 7600, 10000 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.5-2.0 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY WINDS,
     OCCASIONALLY STRONG OFFSHORE LATER.  SUNNY
     PERIODS.  LOCALIZED HAZE AT FIRST.=

    ===================================================================
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.

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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.

    There is no Significant Weather Information (SIGMET)

    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 08/Nov/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     27.1 C
Minimum Air Temperature                     23.6 C
Grass Minimum Temperature                   22.3 C
Relative Humidity                        67 - 84 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          2086.0 mm
Against an average of                     2346.0 mm

Other Stations                Min                  Max
King's Park                  23.0 C               28.0 C
Wong Chuk Hang               23.2 C               28.5 C
Ta Kwu Ling                  22.2 C               30.1 C
Lau Fau Shan                 21.1 C               30.0 C
Tai Po                       22.4 C               26.3 C
Sha Tin                      22.9 C               28.6 C
Tuen Mun                     21.8 C               27.8 C
Tseung Kwan O                22.2 C               27.5 C
Sai Kung                     23.5 C               26.4 C
Cheung Chau                  22.5 C               28.9 C
Chek Lap Kok                 23.7 C               30.3 C
Tsing Yi                     23.8 C               29.1 C
Shek Kong                    23.4 C               29.5 C
Tsuen Wan Ho Koon            21.0 C               29.1 C
Tsuen Wan Shing Mun Valley   22.3 C               29.7 C
Hong Kong Park               23.5 C               27.1 C
Shau Kei Wan                 23.0 C               27.7 C
Kowloon City                 22.7 C               29.0 C
Happy Valley                 23.3 C               28.1 C
Wong Tai Sin                 23.2 C               28.5 C
Stanley                      23.2 C               27.4 C
Kwun Tong                    22.7 C               27.1 C
Sham Shui Po                 23.4 C               29.4 C
Kai Tak Runway Park          23.5 C               26.4 C
Yuen Long Park               20.8 C               30.3 C
Tai Mei Tuk               22.0 C               28.8 C

Duration of sunshine (King's Park):              6.9 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 7.
 

Yesterday's (07 Nov 2018) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.09 to
0.14 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                           0.09
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                        0.14

Note

      

    1. From readings taken at various locations in Hong Kong in the
past, the hourly mean ambient gamma radiation dose rate may
vary between 0.06 and 0.3 microsievert per hour. (1
microsievert = 0.000001 sievert = 0.001 millisievert)

    2. Temporal variations are generally caused by changes in
meteorological conditions such as rainfall, wind and
barometric pressure.

    3. Spatial variations are generally caused by differences in
the radioactive content of local rock and soil.

    4. The data displayed is provisional. Only limited data
validation has been carried out.
    Climatological Information for 07 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <08 Nov 2018> 

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