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Bulletin issued at 15:41 HKT 06/Oct/2019

At 3 p.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 94 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.8. The intensity of UV radiation was low.

Gusts reaching 70 kilometres per hour or above may affect Hong Kong.

Strong winds are expected from the east. The public should beware of the possible danger brought by rough seas.

Please be reminded that:

The Thunderstorm Warning has been issued. It will remain effective until 5:00 p.m. today. A few squally thunderstorms are expected to occur over Hong Kong.
The Strong Monsoon Signal has been issued.

The air temperatures at other places were:

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

Between 1:45 and 2:45 p.m., lightning was detected within Lantau and New Territories East. The rainfall recorded in various regions were:

Tsuen Wan 2 to 14 mm;
Tai Po 0 to 13 mm;
Sai Kung 2 to 13 mm;
Sha Tin 1 to 12 mm;
Islands District 1 to 11 mm;
Tuen Mun 1 to 9 mm;
North District 0 to 9 mm;
Southern District 3 to 9 mm;
Yuen Long 0 to 8 mm;
Kwai Tsing 0 to 7 mm;
Central & Western District 2 to 7 mm;
Yau Tsim Mong 5 to 7 mm;
Kowloon City 1 to 6 mm;
Wan Chai 0 to 5 mm;
Sham Shui Po 1 to 5 mm;
Eastern District 3 to 5 mm;
Kwun Tong 1 to 5 mm;
Wong Tai Sin 1 to 2 mm.


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


Climatological Information for 6 Oct

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


Local Weather Forecast
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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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Bulletin updated at 14:45 HKT 06/Oct/2019

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

A strong easterly airstream is affecting the coast of Guangdong. Besides, a band of intense thundery showers associated with an upper-air disturbance is affecting the region.

Weather forecast for this afternoon and tonight

Mainly cloudy with showers and a few squally thunderstorms. Showers will be heavy at times at first. Moderate to fresh easterly winds, strong offshore and on high ground at first.

Outlook : Still some showers on Chung Yeung Festival. Showers will ease off and there will be sunny periods in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 06/10/2019; 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 06/Oct/2019

N0 WARNING.

GENERAL SITUATION AT 052100 UTC:
AN EASTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 060100 UTC:

HONG KONG= E 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL E UP TO 2 M. TEMP 30-25 C. =
KWANGTUNG= E 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL E 2 M. =
TAIWAN STRAIT= NE 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 2 M. =
BASHI= E 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL E 2 M. =
PRATAS= E TO NE 6-7. DOWN TO 1000 M IN SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL E 2 M. =
BALINTANG= E 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL E 2 M. =
SCARBOROUGH= E 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. =
PARACEL= E 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL E 2 M. =
TONKIN= E TO NE 4-5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 3 M. =
DANANG= E TO NE 4-5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 3 M. SWELL E 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/Oct/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 06 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 6 to 7.
    Squally showers and thunderstorms.
    Rough seas.

    Nan'ao, Shanwei, South of Hong Kong and Shangchuan Dao:
    East force 6 to 7.
    Squally showers and thunderstorms.
    Rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 5 to 6. Scattered showers and squally thunderstorms at first.

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

    Waglan Island Wind east-northeast force 6
      Visibility 31 Kilometres

    Shantou Wind east-northeast force 3
      Visibility 29 Kilometres

    Dongsha Wind east-northeast force 4
      Visibility 9 Kilometres in rain

    Huangmaozhou Wind east force 4

    Macau Wind east-southeast force 3
      Visibility 17 Kilometres

    Xisha Wind north-northeast force 4
      Visibility 28 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 12:30 HKT 06/OCT/2019
    (Next update at 17:30 HKT 06/OCT/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB. 
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM 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:  080/15-20
                  TEMPO VRB/25G40 IN TS
       OFFSHORE:  080/20-25, OCNL 30                   31-26
   B.   2000 FT:  080/25-30                            23
   C.   5000 FT:  090/25-30                            18
   D.  10000 FT:  090/20-25                            8
   E.  18000 FT:  090/15                               MS5
   F.  24000 FT:  110/25                               MS15
   G.  30000 FT:  130/25                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY. ISOLATED SHOWERS AND SQUALLY
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 3000 FT. 
      TEMPO FEW CB 1000 FT SCT 2000 FT BKN 4000 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS. 
                      TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 9000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS AND AT LOW LEVELS.
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, STRONG
     OFFSHORE AND ON HIGH GROUND. MAINLY CLOUDY.
     ISOLATED SHOWERS AND SQUALLY THUNDERSTORMS.=

    ===================================================================
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 14:31 HKT on 06 Oct 19

    VHHK SIGMET 2 VALID 060630/061030 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2030 E11130 - N2130 E11130 - N2348 E11702 - N2043 E11702 - N1841 E11522 - N1902 E11219 - N2030 E11130 TOP FL450 MOV NW 15KT 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 06/Oct/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     32.3 C
Minimum Air Temperature                     26.8 C
Grass Minimum Temperature                   24.5 C
Relative Humidity                        52 - 81 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          2233.2 mm
Against an average of                     2262.0 mm

Other Stations                Min                  Max
King's Park                  25.7 C               32.4 C
Wong Chuk Hang               23.7 C               31.6 C
Ta Kwu Ling                  21.1 C               34.7 C
Lau Fau Shan                 24.5 C               31.9 C
Tai Po                       23.6 C               32.1 C
Sha Tin                      22.9 C               33.9 C
Tuen Mun                     24.7 C               33.4 C
Tseung Kwan O                23.1 C               33.4 C
Sai Kung                     24.4 C               33.3 C
Cheung Chau                  24.3 C               34.3 C
Chek Lap Kok                 25.4 C               33.5 C
Tsing Yi                     24.3 C               33.3 C
Shek Kong                    22.7 C               33.5 C
Tsuen Wan Ho Koon            22.6 C               31.8 C
Tsuen Wan Shing Mun Valley   22.7 C               34.1 C
Hong Kong Park               25.1 C               32.0 C
Shau Kei Wan                 25.2 C               32.1 C
Kowloon City                 25.6 C               35.4 C
Happy Valley                 24.4 C               33.3 C
Wong Tai Sin                 25.1 C               33.9 C
Kwun Tong                    25.6 C               34.4 C
Sham Shui Po                 25.1 C               35.2 C
Kai Tak Runway Park          25.7 C               32.6 C
Yuen Long Park               22.9 C               34.9 C
Tai Mei Tuk               24.5 C               35.1 C

Duration of sunshine (King's Park):              9.9 H
The mean UV index recorded at King's Park yesterday was 4,
the UV intensity was Moderate.
The maximum UV index for yesterday was 8.
 

Yesterday's (05 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 05 Oct
     2003copy right image | Important notices | Privacy policy Last revision date: <06 Oct 2019> 

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