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Bulletin issued at 13:02 HKT 06/Nov/2018

At 1 p.m. at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 67 per cent.
During the past hour the mean UV Index recorded at King's Park was 7. The intensity of UV radiation was high.

The air temperatures at other places were:

King's Park 27 degrees;
Wong Chuk Hang 27 degrees;
Ta Kwu Ling 29 degrees;
Lau Fau Shan 31 degrees;
Tai Po 25 degrees;
Sha Tin 27 degrees;
Tuen Mun 28 degrees;
Tseung Kwan O 27 degrees;
Sai Kung 25 degrees;
Cheung Chau 28 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 28 degrees;
Shek Kong 29 degrees;
Tsuen Wan Ho Koon 29 degrees;
Tsuen Wan Shing Mun Valley 29 degrees;
Hong Kong Park 26 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 28 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 27 degrees;
Stanley 26 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 29 degrees;
Kai Tak Runway Park 26 degrees;
Yuen Long Park 30 degrees;
Tai Mei Tuk 28 degrees.


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


Climatological Information for 6 Nov

Regional Weather in Hong Kong

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Hong Kong Climatology


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Bulletin updated at 12:45 HKT 06/Nov/2018

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

The northeast monsoon is affecting southern China. Meanwhile, the weather is generally fine over the coast of southeastern China.

Weather forecast for this afternoon and tonight

Fine. Moderate easterly winds, occasionally fresh offshore.

Outlook : Mainly fine in the next couple of days. Windier towards the weekend.


(The above forecast period is valid up to 23:59 HKT today, 06/11/2018; 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 06/Nov/2018

N0 WARNING.

GENERAL SITUATION AT 052100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 060100 UTC:

HONG KONG= E 4-5, OCNL 6. FINE. SEA UP TO 3 M. TEMP 27-23 C. =
KWANGTUNG= E 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. ISOL SHOWERS. 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. ISOL SHOWERS. SEA UP TO 4 M. SWELL E TO NE 2 M. =
SCARBOROUGH= E TO NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL E TO NE 2 M. =
PARACEL= E TO NE 4-5, OCNL 6. FINE. SEA UP TO 3 M. SWELL E UP TO 2 M. =
TONKIN= E 4-5. LGT RAIN PATCHES. SEA UP TO 2 M. =
DANANG= E 4-5. LGT RAIN PATCHES. SEA UP TO 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 12:30 HKT 06/Nov/2018

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 06 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:
    East force 4 to 5, occasionally force 6.
    Moderate to rough seas.

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

    Outlook for the next 48 hours
    East to northeasterly winds of force 5 to 6.

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

    Waglan Island Wind east-northeast force 5
      Visibility 21 Kilometres

    Shantou Wind east-northeast force 3
      Visibility 30 Kilometres

    Huangmaozhou Wind east force 5

    Macau Wind east force 3
      Visibility 25 Kilometres

    Xisha Wind east-northeast force 3
      Visibility 19 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
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 12:30 HKT 06/NOV/2018
    (Next update at 17:30 HKT 06/NOV/2018)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB OFFSHORE.
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 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
       OFFSHORE:  090/15-20 OCNL 25                    30-25
   B.   2000 FT:  080/15-20                            19
   C.   5000 FT:  060/10                               17
   D.  10000 FT:  230/15                               9
   E.  18000 FT:  260/20                               MS4
   F.  24000 FT:  290/35                               MS16
   G.  30000 FT:  280/40                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2300-2500 FT, 3100-3900 FT.
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 7800, 
                                                  9000, 9600 FT
   M. TURBULENCE    : MOD NEAR HILLS. MOD TO SEV OFFSHORE.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, OCCASIONALLY FRESH
     OFFSHORE.  MAINLY FINE.=

    ===================================================================
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 09:45 HKT on 02 Nov 18

    VHHK SIGMET 1 VALID 020140/020600 VHHH- VHHK HONG KONG FIR TC YUTU PSN N2048 E11636 CB OBS AT 00Z WI 120NM OF TC CENTRE TOP FL400 WKN FCST AT 0600Z TC CENTRE PSN N2054 E11636= VHHK SIGMET 3 VALID 020150/020600 VHHH- VHHK HONG KONG FIR TC YUTU PSN N2048 E11636 CB OBS AT 0000Z WI 120NM OF TC CENTRE TOP FL400 WKN FCST AT 0600Z TC CENTRE PSN N2054 E11636=

    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/Nov/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     26.7 C
Minimum Air Temperature                     23.5 C
Grass Minimum Temperature                   22.5 C
Relative Humidity                        70 - 85 Percent
Rainfall                                      trace 
Total rainfall since 1st January          2086.0 mm
Against an average of                     2344.5 mm

Other Stations                Min                  Max
King's Park                  22.9 C               27.8 C
Wong Chuk Hang               23.4 C               27.1 C
Ta Kwu Ling                  23.2 C               29.5 C
Lau Fau Shan                 21.6 C               30.8 C
Tai Po                       22.8 C               25.6 C
Sha Tin                      23.2 C               27.8 C
Tuen Mun                     22.7 C               28.8 C
Tseung Kwan O                22.8 C               27.3 C
Sai Kung                     23.5 C               25.5 C
Cheung Chau                  22.7 C               28.0 C
Chek Lap Kok                 23.8 C               29.8 C
Tsing Yi                     23.8 C               28.2 C
Shek Kong                    22.1 C               28.7 C
Tsuen Wan Ho Koon            21.9 C               28.5 C
Tsuen Wan Shing Mun Valley   23.1 C               28.8 C
Hong Kong Park               23.2 C               26.9 C
Shau Kei Wan                 23.0 C               26.3 C
Kowloon City                 22.8 C               28.5 C
Happy Valley                 23.5 C               27.2 C
Wong Tai Sin                 23.3 C               28.1 C
Stanley                      23.2 C               26.6 C
Kwun Tong                    22.8 C               25.9 C
Sham Shui Po                 23.4 C               29.4 C
Kai Tak Runway Park          23.6 C               26.2 C
Yuen Long Park               21.3 C               29.4 C
Tai Mei Tuk               22.8 C               27.8 C

Duration of sunshine (King's Park):              5.6 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 (05 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 05 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <06 Nov 2018> 

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