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Bulletin issued at 13:02 HKT 14/Sep/2019

At 1 p.m. at the Hong Kong Observatory the air temperature was 31 degrees Celsius and the relative humidity 71 per cent.
During the past hour the mean UV Index recorded at King's Park was 6. The intensity of UV radiation was high.

Hot weather might cause adverse health effects. The Observatory advises the public to stay on the alert.

The air temperatures at other places were:

King's Park 31 degrees;
Wong Chuk Hang 31 degrees;
Ta Kwu Ling 33 degrees;
Lau Fau Shan 31 degrees;
Tai Po 31 degrees;
Sha Tin 33 degrees;
Tuen Mun 29 degrees;
Tseung Kwan O 33 degrees;
Sai Kung 33 degrees;
Cheung Chau 34 degrees;
Chek Lap Kok 33 degrees;
Tsing Yi 31 degrees;
Shek Kong 32 degrees;
Tsuen Wan Ho Koon 29 degrees;
Tsuen Wan Shing Mun Valley 30 degrees;
Shau Kei Wan 32 degrees;
Kowloon City 32 degrees;
Happy Valley 34 degrees;
Wong Tai Sin 32 degrees;
Stanley 32 degrees;
Kwun Tong 32 degrees;
Sham Shui Po 33 degrees;
Kai Tak Runway Park 32 degrees;
Yuen Long Park 32 degrees;
Tai Mei Tuk 34 degrees.

Between 11:45 a.m. and 12:45 p.m., the rainfall recorded in various regions were:

Tuen Mun 0 to 11 mm;
Tsuen Wan 0 to 8 mm;
Sham Shui Po 0 to 4 mm;
Central & Western District 0 to 1 mm;
Kwai Tsing 0 to 1 mm.


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


Climatological Information for 14 Sep

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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Bulletin updated at 13:30 HKT 14/Sep/2019

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

Winds are weak over the coast of Guangdong. Meanwhile, showers are affecting the region.

Weather forecast for this afternoon and tonight

Mainly cloudy with a few showers and isolated thunderstorms. Hot with sunny periods in the afternoon. Light winds.

Outlook : Sunny intervals and a few showers in the next couple of days.


(The above forecast period is valid up to 23:59 HKT today, 14/09/2019; 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 14/Sep/2019

N0 WARNING.

GENERAL SITUATION AT 132100 UTC:
AN EASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 140100 UTC:

HONG KONG= E TO NE 4. ISOL SHOWERS AND TS. TEMP 32-27 C. =
KWANGTUNG= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TAIWAN STRAIT= NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
BASHI= NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL E 2-3 M. =
PRATAS= NE 4-5. ISOL SHOWERS. SEA UP TO 2 M. SWELL E 2 M. =
BALINTANG= NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL E 2-3 M. =
SCARBOROUGH= NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
PARACEL= NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TONKIN= NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= NE 4-5. ISOL 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
  • Tidal Information

    • SOUTH CHINA COASTAL WATERS
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    South China Coastal Waters

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    Bulletin issued at 12:30 HKT 14/Sep/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 14 September 2019

    Weather Situation:
    An easterly airstream is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East to northeast force 4.
    Isolated showers and thunderstorms.
    Moderate seas.

    Nan'ao and Shanwei:
    East to northeast force 4 to 5.
    Moderate seas.

    South of Hong Kong and Shangchuan Dao:
    East to northeast force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 4 to 5. Isolated showers and thunderstorms.

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

    Waglan Island Wind northeast force 2
      Visibility 38 Kilometres

    Shantou Wind southeast force 2
      Visibility 25 Kilometres

    Dongsha Wind north-northeast force 1
      Visibility 10 Kilometres

    Huangmaozhou Wind north-northeast force 1

    Macau Wind east-southeast force 1
      Visibility 29 Kilometres

    Xisha Wind northeast force 2
      Visibility 24 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 14/SEP/2019
    (Next update at 17:30 HKT 14/SEP/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     WINDS ARE WEAK OVER THE COAST OF GUANGDONG.
     MEANWHILE, SHOWERS ARE AFFECTING THE REGION.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  VRB/5
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  050/5-10                             33-29
   B.   2000 FT:  050/5-10                             24
   C.   5000 FT:  090/10                               20
   D.  10000 FT:  070/20                               12
   E.  18000 FT:  090/20                               MS1
   F.  24000 FT:  080/20                               MS12
   G.  30000 FT:  080/15                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      SUNNY PERIODS,CLOUDY TONIGHT. ISOLATED SHOWERS
      AND THUNDERSTORMS. CLOUDY TONIGHT.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT TEMPO CB 1000 FT SCT 1500 FT BKN
      5000 FT
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 10800 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS.
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT WINDS. MAINLY CLOUDY WITH ISOLATED SHOWERS
     AND 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.

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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 14/Sep/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     33.0 C
Minimum Air Temperature                     28.7 C
Grass Minimum Temperature                   27.9 C
Relative Humidity                        68 - 82 Percent
Rainfall                                      Trace 
Total rainfall since 1st January          2189.1 mm
Against an average of                     2055.1 mm

Other Stations                Min                  Max
King's Park                  28.1 C               32.7 C
Wong Chuk Hang               26.7 C               32.6 C
Ta Kwu Ling                  26.4 C               34.6 C
Lau Fau Shan                 27.2 C               32.6 C
Tai Po                       27.3 C               31.9 C
Sha Tin                      27.4 C               33.2 C
Tuen Mun                     27.5 C               32.4 C
Sai Kung                     28.2 C               33.4 C
Cheung Chau                  26.0 C               33.0 C
Chek Lap Kok                 28.7 C               33.5 C
Tsing Yi                     28.4 C               32.3 C
Shek Kong                    26.6 C               33.6 C
Tsuen Wan Ho Koon            26.0 C               30.3 C
Tsuen Wan Shing Mun Valley   26.5 C               32.8 C
Shau Kei Wan                 27.1 C               31.5 C
Kowloon City                 28.0 C               32.5 C
Happy Valley                 28.1 C               33.6 C
Wong Tai Sin                 27.9 C               32.4 C
Stanley                      27.7 C               33.3 C
Kwun Tong                    28.0 C               32.4 C
Sham Shui Po                 28.3 C               32.5 C
Kai Tak Runway Park          28.3 C               31.4 C
Yuen Long Park               27.0 C               34.0 C
Tai Mei Tuk               27.6 C               34.7 C

Duration of sunshine (King's Park):              6.1 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 10.
 

Yesterday's (13 Sep 2019) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 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                             0.08
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.10
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 13 Sep
     2003copy right image | Important notices | Privacy policy Last revision date: <14 Sep 2019> 

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