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Bulletin issued at 19:02 HKT 09/Nov/2016

At 7 p.m. at the Hong Kong Observatory the air temperature was 21 degrees Celsius and the relative humidity 79 per cent.

The air temperatures at other places were:

King's Park 20 degrees;
Wong Chuk Hang 21 degrees;
Ta Kwu Ling 18 degrees;
Lau Fau Shan 19 degrees;
Tai Po 19 degrees;
Sha Tin 20 degrees;
Tuen Mun 20 degrees;
Tseung Kwan O 20 degrees;
Sai Kung 20 degrees;
Cheung Chau 20 degrees;
Chek Lap Kok 20 degrees;
Tsing Yi 21 degrees;
Shek Kong 19 degrees;
Tsuen Wan Ho Koon 19 degrees;
Tsuen Wan Shing Mun Valley 20 degrees;
Hong Kong Park 21 degrees;
Shau Kei Wan 20 degrees;
Kowloon City 20 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 21 degrees;
Stanley 21 degrees;
Kwun Tong 20 degrees;
Sham Shui Po 21 degrees;
Kai Tak Runway Park 21 degrees;
Yuen Long Park 20 degrees.


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


Climatological Information for 9 Nov

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


Local Weather Forecast
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Bulletin updated at 18:45 HKT 09/Nov/2016

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

The northeast monsoon continues to bring appreciably cooler weather to Guangdong. Locally, temperatures over the territory in the afternoon were four to six degrees lower than those of yesterday.

Weather forecast for tonight and tomorrow

Cloudy to overcast with a few rain patches. It will be cool tomorrow. The minimum temperature in the morning will be about 16 degrees in the urban areas, and a couple of degrees lower in the New Territories. The maximum temperature will be around 19 degrees in the afternoon. Moderate to fresh north to northeasterly winds.

Outlook : Still cool on Friday morning. Temperatures rising during the weekend and early next week.


(The above forecast period is valid up to 23:59 HKT tomorrow, 10/11/2016; 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 09:00 HKT 09/Nov/2016

GALE WARNING AREAS: KWANGTUNG, TAIWAN STRAIT, PRATAS AND TONKIN.

GENERAL SITUATION AT 082100 UTC:
COLD FRONT 19N 107E 20N 117E 21N 121E S 10KT.

MARINE FORECAST FOR 24 HOURS FROM 090100 UTC:

HONG KONG= N TO NE 5-6, OCNL 7. RAIN PATCHES. SEA 3 M. SWELL NE UP TO 2 M. TEMP 22-16 C. =
KWANGTUNG= N TO NE 6-7, OCNL 8 IN E. RAIN PATCHES. SEA 3-4 M, UP TO 6 M IN E. SWELL NE 2 M. =
TAIWAN STRAIT= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3 M. =
BASHI= NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
PRATAS= N TO NE 6-7, OCNL 8. RAIN PATCHES. SEA 4 M. SWELL NE 3 M. =
BALINTANG= NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
SCARBOROUGH= NE 5-6, OCNL 7. ISOL SHOWERS. SEA 3 M. SWELL NE 2 M. =
PARACEL= NE 5-6, OCNL 7 IN N. ISOL SHOWERS. SEA 2-3 M, UP TO 4 M IN N. SWELL NE 2 M. =
TONKIN= N TO NE 6-7, OCNL 8. RAIN PATCHES. SEA 4 M. SWELL NE 2 M. =
DANANG= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 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 19:30 HKT 09/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 09 November 2016

    Warnings:
    Gale force winds in Nan'ao and Shanwei. Strong winds in Hong Kong adjacent waters, 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 5 to 6.
    A few rain patches.
    Moderate to rough seas.

    Nan'ao and Shanwei:
    North to northeast force 6 to 7, occasionally force 8 at first.
    Rough to very rough seas.

    South of Hong Kong and Shangchuan Dao:
    North to northeast force 5 to 6, occasionally force 7.
    Moderate to rough seas.

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

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

    Waglan Island Wind north-northeast force 4
      Visibility 10 Kilometres

    Shantou Wind east force 2
      Visibility 29 Kilometres

    Dongsha Wind northeast force 4
      Visibility 8 Kilometres in drizzle

    Huangmaozhou Wind east-northeast force 5

    Macau Wind north force 3
      Visibility 7 Kilometres

    Xisha Wind east-northeast force 2
      Visibility 17 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 09/NOV/2016
    (Next update at 01:30 HKT 10/NOV/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 SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  030/15-20, OCNL 25
       OFFSHORE:  030/20-25                            20-15
   B.   2000 FT:  060/15-20, OCNL 25                   12
   C.   5000 FT:  120/10                               13
   D.  10000 FT:  260/20-25                            8
   E.  18000 FT:  270/30-35                            MS5
   F.  24000 FT:  260/30-35                            MS15
   G.  30000 FT:  270/40-45                            MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY WITH A FEW RAIN PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT
   K. VISIBILITY    : 8 KM.  TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 7600,9500 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 24 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTH TO NORTHEASTERLY WINDS,
     CLOUDY WITH A FEW RAIN 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.

    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 10:25 HKT on 08 Nov 16

    VHHK SIGMET 1 VALID 080220/080320 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2130 E11548 - N2136 E11648 - N2112 E11700 - N2100 E11606 - N2130 E11548 TOP FL300 STNR WKN= VHHK SIGMET 2 VALID 080225/080325 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2042 E11448 - N2048 E11524 - N2012 E11530 - N2018 E11500 - N2042 E11448 TOP FL300 STNR WKN=

    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 09/Nov/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     28.1 C
Minimum Air Temperature                     22.1 C
Grass Minimum Temperature                   22.2 C
Relative Humidity                        68 - 91 Percent
Rainfall                                     4.8 mm 
Total rainfall since 1st January          2893.7 mm
Against an average of                     2347.3 mm

Other Stations                Min                  Max
King's Park                  21.4 C               27.8 C
Wong Chuk Hang               22.1 C               28.4 C
Ta Kwu Ling                  19.8 C               29.6 C
Lau Fau Shan                 20.4 C               28.4 C
Tai Po                       21.0 C               28.2 C
Sha Tin                      20.9 C               29.4 C
Tuen Mun                     21.3 C               29.5 C
Tseung Kwan O                21.3 C               30.2 C
Sai Kung                     20.4 C               27.8 C
Cheung Chau                  20.7 C               28.3 C
Chek Lap Kok                 22.2 C               29.0 C
Tsing Yi                     21.4 C               28.0 C
Shek Kong                    20.6 C               29.4 C
Tsuen Wan Ho Koon            19.8 C               26.5 C
Tsuen Wan Shing Mun Valley   21.2 C               29.5 C
Hong Kong Park               22.1 C               28.8 C
Shau Kei Wan                 21.6 C               28.0 C
Kowloon City                 21.1 C               29.4 C
Happy Valley                 22.6 C               29.3 C
Wong Tai Sin                 21.4 C               29.7 C
Stanley                      22.7 C               28.0 C
Kwun Tong                    21.7 C               29.7 C
Sham Shui Po                 21.6 C               30.7 C
Kai Tak Runway Park          22.4 C               28.8 C
Yuen Long Park               21.1 C               30.3 C

Duration of sunshine (King's Park):              3.7 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):        26.5 C 

Yesterday's (08 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 08 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <09 Nov 2016> 

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