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Bulletin issued at 11:02 HKT 08/Oct/2019

At 11 a.m. at the Hong Kong Observatory the air temperature was 29 degrees Celsius and the relative humidity 74 per cent.
During the past hour the mean UV Index recorded at King's Park was 5. The intensity of UV radiation was moderate.

The air temperatures at other places were:

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


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


Climatological Information for 8 Oct

Regional Weather in Hong Kong

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Hong Kong Climatology


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Bulletin updated at 10:45 HKT 08/Oct/2019

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

An easterly airstream is affecting the coast of Guangdong. Meanwhile, the anticyclone aloft covering southeastern China is strengthening gradually.

Weather forecast for today

Sunny periods. Isolated showers in the morning. Moderate easterly winds, fresh offshore later.

Outlook : Sunny periods in the next couple of days.


(The above forecast period is valid up to 23:59 HKT today, 08/10/2019; 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/Oct/2019

N0 WARNING.

GENERAL SITUATION AT 072100 UTC:
AN EASTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 080100 UTC:

HONG KONG= E 5-6. ISOL SHOWERS. SEA 2-3 M. TEMP 30-26 C. =
KWANGTUNG= E TO NE 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 6-7. FINE. SEA 3-4 M. SWELL NE 2 M. =
BASHI= E TO NE 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. =
PRATAS= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. =
BALINTANG= E TO NE 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. =
SCARBOROUGH= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
PARACEL= E TO NE 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. =
TONKIN= E TO NE 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= E TO NE 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. 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

    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 08/Oct/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 08 October 2019

    Warnings:
    Strong winds in all areas.

    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.
    Isolated showers.
    Moderate to rough seas.

    Nan'ao:
    East to northeast force 5 to 6, occasionally force 7.
    Moderate to rough seas.

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

    Shangchuan Dao:
    East to northeast force 4 to 5, occasionally force 6.
    Isolated showers and thunderstorms.
    Moderate to rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 5 to 6. Isolated showers and thunderstorms.

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

    Waglan Island Wind east-northeast force 4
      Visibility 20 Kilometres

    Shantou Wind east-southeast force 1
      Visibility 12 Kilometres

    Huangmaozhou Wind east-northeast force 6

    Macau Wind north-northeast force 2
      Visibility 10 Kilometres

    Xisha Wind east-northeast force 2
      Visibility 30 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 09:30 HKT 08/OCT/2019
    (Next update at 12:30 HKT 08/OCT/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN 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
       OFFSHORE:  070/15-20                            27-32
   B.   2000 FT:  060/15                               22
   C.   5000 FT:  060/20                               16
   D.  10000 FT:  080/15                               10
   E.  18000 FT:  170/10                               MS3
   F.  24000 FT:  180/10                               MS14
   G.  30000 FT:  100/15                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      SUNNY PERIOS WITH ISOLATED SHOWERS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : MOD AT LOW LEVELS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, FRESH OFFSHORE. 
     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 09:06 HKT on 08 Oct 19

    VHHK SIGMET 1 VALID 080105/080505 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1658 E11413 - N1648 E11405 - N1648 E11355 - N1755 E11255 - N1860 E11307 - N1815 E11432 - N1658 E11413 TOP FL430 STNR NC=

    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/Oct/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     28.3 C
Minimum Air Temperature                     23.2 C
Grass Minimum Temperature                   22.8 C
Relative Humidity                        77 - 96 Percent
Rainfall                                    17.9 mm 
Total rainfall since 1st January          2297.9 mm
Against an average of                     2269.3 mm

Other Stations                Min                  Max
King's Park                  22.6 C               28.9 C
Wong Chuk Hang               23.6 C               29.3 C
Ta Kwu Ling                  22.5 C               30.6 C
Lau Fau Shan                 22.3 C               29.7 C
Tai Po                       22.5 C               27.9 C
Sha Tin                      23.4 C               29.9 C
Tuen Mun                     23.0 C               29.7 C
Tseung Kwan O                23.0 C               28.3 C
Sai Kung                     23.1 C               28.7 C
Cheung Chau                  22.5 C               28.6 C
Chek Lap Kok                 23.9 C               31.2 C
Tsing Yi                     23.4 C               30.3 C
Shek Kong                    22.9 C               29.4 C
Tsuen Wan Ho Koon            21.9 C               28.0 C
Tsuen Wan Shing Mun Valley   22.7 C               29.6 C
Hong Kong Park               22.7 C               28.8 C
Shau Kei Wan                 23.0 C               28.0 C
Kowloon City                 22.5 C               29.8 C
Happy Valley                 23.9 C               28.9 C
Wong Tai Sin                 23.3 C               29.5 C
Kwun Tong                    22.9 C               28.7 C
Sham Shui Po                 22.9 C               31.1 C
Kai Tak Runway Park          23.8 C               28.5 C
Yuen Long Park               22.9 C               30.4 C
Tai Mei Tuk               22.2 C               28.8 C

Duration of sunshine (King's Park):              3.2 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 Oct 2019) 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                               0.11
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.11
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 Oct
     2003copy right image | Important notices | Privacy policy Last revision date: <08 Oct 2019> 

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