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Bulletin issued at 23:02 HKT 14/May/2019

At 11 p.m. at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 87 per cent.

The air temperatures at other places were:

King's Park 27 degrees;
Wong Chuk Hang 26 degrees;
Ta Kwu Ling 26 degrees;
Lau Fau Shan 26 degrees;
Tai Po 26 degrees;
Sha Tin 27 degrees;
Tuen Mun 26 degrees;
Tseung Kwan O 26 degrees;
Sai Kung 26 degrees;
Cheung Chau 25 degrees;
Chek Lap Kok 28 degrees;
Tsing Yi 27 degrees;
Shek Kong 27 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 27 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 27 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 27 degrees;
Stanley 25 degrees;
Kwun Tong 26 degrees;
Sham Shui Po 27 degrees;
Kai Tak Runway Park 26 degrees;
Yuen Long Park 26 degrees;
Tai Mei Tuk 26 degrees.


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


Climatological Information for 14 May

Regional Weather in Hong Kong

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Hong Kong Climatology


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Bulletin updated at 23:15 HKT 14/May/2019

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

An anticyclone aloft brought generally fine weather to the south China coast today. Locally, there was coastal fog in the morning and at night. It was hot with sunny periods during the day. Temperatures over the territory rose to around 31 degrees in the afternoon. The anticyclone aloft will continue to cover the south China coast tomorrow. Besides, under the influence of a southwesterly airstream, the weather will remain hot with a few showers and thunderstorms over southern China in the next few days.

Weather forecast for Hong Kong (Wednesday, 15 May 2019)

Mainly cloudy with one or two showers. Coastal fog in the morning. The minimum temperature will be about 26 degrees. Hot with sunny periods during the day. The maximum temperature will be around 31 degrees. Light to moderate southerly winds.

Outlook : Hot with sunny periods in the following few days. A few showers towards the weekend.


(The above forecast period is valid up to 23:59 HKT tomorrow, 15/05/2019; 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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Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 14/May/2019

N0 WARNING.

GENERAL SITUATION AT 140900 UTC:
A SOUTHERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 141300 UTC:

HONG KONG= S TO SE 4-5. DOWN TO 4000 M IN MIST PATCHES. ISOL SHOWERS. SEA UP TO 2 M. TEMP 26-31 C. =
KWANGTUNG= S TO SE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TAIWAN STRAIT= S TO SW 4-5. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA UP TO 2 M. =
BASHI= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
PRATAS= S TO SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
BALINTANG= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
SCARBOROUGH= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
PARACEL= S 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TONKIN= S 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= S 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 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 23:30 HKT 14/May/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 14 May 2019

    Warnings:
    Fog in Hong Kong adjacent waters.

    Weather Situation:
    A southerly airstream is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    South to southeast force 4 to 5.
    One or two showers. Coastal fog patches at first.
    Moderate seas.

    Nan'ao, Shanwei and South of Hong Kong:
    South to southeast force 4 to 5.
    Moderate seas.

    Shangchuan Dao:
    South to southeast force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

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

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

    Waglan Island Wind south force 1
      Visibility 900 Metres

    Shantou Wind south-southeast force 2
      Visibility 22 Kilometres

    Huangmaozhou Wind east-southeast force 3

    Xisha Wind south-southwest force 2
      Visibility 19 Kilometres

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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 17:30 HKT 14/MAY/2019
    (Next update at 01:30 HKT 15/MAY/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHERLY AIRSTREAM 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:  180/5-10
       OFFSHORE:  140/10                               30-26
   B.   2000 FT:  180/10-15                            22
   C.   5000 FT:  260/15                               20
   D.  10000 FT:  210/10                               12
   E.  18000 FT:  210/15                               MS2
   F.  24000 FT:  230/15                               MS12
   G.  30000 FT:  260/15                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2000-2400 FT
   I. WEATHER       : 
      MAINLY CLOUDY WITH ONE OR TWO SHOWERS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 11600 FT
   M. TURBULENCE    : MOD NEAR HILLS
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 24 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTH TO SOUTHWESTERLY WINDS. SUNNY
     PERIODS AND ONE OR TWO SHOWERS.=

    ===================================================================
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)

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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/May/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     26.3 C
Minimum Air Temperature                     23.9 C
Grass Minimum Temperature                   24.8 C
Relative Humidity                        82 - 93 Percent
Rainfall                                      Trace 
Total rainfall since 1st January           531.8 mm
Against an average of                      455.2 mm

Other Stations                Min                  Max
King's Park                  23.3 C               26.7 C
Wong Chuk Hang               24.1 C               28.0 C
Ta Kwu Ling                  24.0 C               28.8 C
Lau Fau Shan                 23.8 C               29.9 C
Tai Po                       23.5 C               25.3 C
Sha Tin                      23.9 C               26.5 C
Tuen Mun                     24.7 C               28.5 C
Tseung Kwan O                22.9 C               24.8 C
Sai Kung                     23.8 C               25.8 C
Cheung Chau                  23.8 C               27.8 C
Chek Lap Kok                 25.2 C               30.3 C
Tsing Yi                     25.0 C               28.6 C
Shek Kong                    24.4 C               30.3 C
Tsuen Wan Ho Koon            23.7 C               28.7 C
Tsuen Wan Shing Mun Valley   24.4 C               28.5 C
Hong Kong Park               23.8 C               26.3 C
Shau Kei Wan                 22.8 C               24.7 C
Kowloon City                 23.6 C               26.9 C
Happy Valley                 24.0 C               28.7 C
Wong Tai Sin                 24.0 C               27.1 C
Stanley                      23.1 C               25.3 C
Kwun Tong                    23.1 C               25.9 C
Sham Shui Po                 24.4 C               28.5 C
Kai Tak Runway Park          23.5 C               25.5 C
Yuen Long Park               25.1 C               30.3 C
Tai Mei Tuk               23.5 C               26.8 C

Duration of sunshine (King's Park):              0.5 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 (13 May 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                           0.08
Tap Mun                             0.08
Kat O                               0.10
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 13 May
     2003copy right image | Important notices | Privacy policy Last revision date: <14 May 2019> 

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