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Bulletin issued at 10:02 HKT 16/Nov/2018

At 10 a.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 83 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.9. The intensity of UV radiation was low.

The air temperatures at other places were:

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


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


Climatological Information for 16 Nov

Regional Weather in Hong Kong

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Hong Kong Climatology


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Bulletin updated at 09:45 HKT 16/Nov/2018

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

A fresh to strong easterly airstream is affecting the coast of Guangdong. Meanwhile, a cloud band is covering southern China.

Weather forecast for today

Mainly cloudy with a few rain patches. Moderate to fresh easterly winds, occasionally strong offshore and on high ground.

Outlook : Cloudy with a few rain patches over the weekend. Slightly cooler early to midweek next week.


(The above forecast period is valid up to 23:59 HKT today, 16/11/2018; 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 16/Nov/2018

N0 WARNING.

GENERAL SITUATION AT 152100 UTC:
AN EASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 160100 UTC:

HONG KONG= E 5-6. RAIN PATCHES. SEA 2-3 M. TEMP 25-23 C. =
KWANGTUNG= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
TAIWAN STRAIT= NE 5-6, OCNL 7. RAIN PATCHES. SEA UP TO 4 M. SWELL NE 2 M. =
BASHI= E 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E TO NE 2 M. =
PRATAS= E 4-5. LGT RAIN PATCHES. SEA UP TO 2 M. SWELL E TO NE UP TO 2 M. =
BALINTANG= E 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E TO NE 2 M. =
SCARBOROUGH= E TO NE 4-5. FINE. SEA UP TO 2 M. SWELL E TO NE 2 M. =
PARACEL= E TO SE 4-5. LGT RAIN PATCHES. SEA UP TO 2 M. SWELL E TO NE UP TO 2 M. =
TONKIN= E TO SE 4-5, NE 4-5 LATER. RAIN PATCHES. SEA UP TO 2 M. =
DANANG= E TO SE 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
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    • SOUTH CHINA COASTAL WATERS
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    South China Coastal Waters

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    Bulletin issued at 09:30 HKT 16/Nov/2018

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 16 November 2018

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

    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 5 to 6.
    A few rain patches.
    Moderate to rough seas.

    Nan'ao:
    East to northeast force 5 to 6.
    Moderate to rough seas.

    Shanwei and South of Hong Kong:
    East force 5 to 6.
    Moderate to rough seas.

    Shangchuan Dao:
    East to southeast force 4 to 5.
    Moderate seas.

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

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

    Waglan Island Wind east-northeast force 5
      Visibility 13 Kilometres

    Shantou Wind northeast force 2
      Visibility 19 Kilometres

    Dongsha Wind east-northeast force 2
      Visibility 10 Kilometres

    Huangmaozhou Wind east force 6

    Macau Wind east force 3
      Visibility 7 Kilometres

    Xisha Wind east-northeast force 2
      Visibility 25 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 09:00 HKT 16/NOV/2018
    (Next update at 12:30 HKT 16/NOV/2018)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A FRESH TO STRONG EASTERLY AIRSTREAM IS
     AFFECTING THE COAST OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10-15, OCNL 20 AT FIRST
       OFFSHORE:  080/20-25                            24-27
   B.   2000 FT:  130/20-25, OCNL 30 AT FIRST          20
   C.   5000 FT:  150/10                               16
   D.  10000 FT:  260/15                               9
   E.  18000 FT:  260/30                               MS5
   F.  24000 FT:  270/40                               MS16
   G.  30000 FT:  260/55                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      SUNNY INTERVALS WITH A FEW RAIN AND MIST
      PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3000 FT.
   K. VISIBILITY    : 9 KM.  TEMPO 4000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 9600 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EAST TO NORTHEASTERLY WINDS, FRESH
     OFFSHORE.  CLOUDY WITH A FEW RAIN AND MIST
     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.

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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 16/Nov/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     23.6 C
Minimum Air Temperature                     22.7 C
Grass Minimum Temperature                   21.4 C
Relative Humidity                        77 - 88 Percent
Rainfall                                      Trace 
Total rainfall since 1st January          2086.0 mm
Against an average of                     2354.9 mm

Other Stations                Min                  Max
King's Park                  22.1 C               23.1 C
Wong Chuk Hang               22.3 C               24.8 C
Ta Kwu Ling                  22.3 C               25.7 C
Lau Fau Shan                 21.3 C               25.7 C
Tai Po                       21.6 C               22.9 C
Sha Tin                      22.4 C               23.6 C
Tuen Mun                     22.3 C               25.9 C
Tseung Kwan O                22.2 C               23.3 C
Sai Kung                     22.6 C               23.5 C
Cheung Chau                  22.0 C               25.2 C
Chek Lap Kok                 23.1 C               26.7 C
Tsing Yi                     22.9 C               24.9 C
Shek Kong                    22.8 C               24.8 C
Tsuen Wan Ho Koon            21.1 C               23.6 C
Tsuen Wan Shing Mun Valley   22.3 C               24.3 C
Hong Kong Park               22.5 C               23.7 C
Shau Kei Wan                 22.1 C               23.0 C
Kowloon City                 22.0 C               23.5 C
Happy Valley                 22.9 C               24.3 C
Wong Tai Sin                 22.3 C               24.3 C
Stanley                      22.3 C               23.6 C
Kwun Tong                    21.9 C               23.4 C
Kai Tak Runway Park          22.7 C               23.5 C
Yuen Long Park               21.7 C               24.9 C
Tai Mei Tuk               22.0 C               23.5 C

Duration of sunshine (King's Park):              0 H
The mean UV index recorded at King's Park yesterday was 0.9,
the UV intensity was Low.
The maximum UV index for yesterday was 2.
 

Yesterday's (15 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 15 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <16 Nov 2018> 

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