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Bulletin issued at 00:02 HKT 28/Apr/2018

At midnight at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 84 per cent.

The air temperatures at other places were:

King's Park 24 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 24 degrees;
Lau Fau Shan 24 degrees;
Tai Po 24 degrees;
Sha Tin 24 degrees;
Tuen Mun 24 degrees;
Tseung Kwan O 23 degrees;
Sai Kung 23 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 26 degrees;
Tsing Yi 25 degrees;
Shek Kong 25 degrees;
Tsuen Wan Ho Koon 23 degrees;
Tsuen Wan Shing Mun Valley 24 degrees;
Hong Kong Park 24 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 24 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 24 degrees;
Stanley 24 degrees;
Kwun Tong 23 degrees;
Sham Shui Po 25 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 24 degrees;
Tai Mei Tuk 23 degrees.


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


Climatological Information for 28 Apr

Regional Weather in Hong Kong

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Bulletin updated at 00:00 HKT 28/Apr/2018

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

A broad band of clouds covered southern China yesterday. Locally, it was mainly cloudy with isolated showers. There were bright periods in the afternoon. Under the influence of an anticyclone aloft over the northern part of the South China Sea, the weather will gradually improve and become hot over the coast of Guangdong in the next couple of days.

Weather forecast for Hong Kong (Saturday, 28 Apr 2018)

Mainly cloudy. Visibility relatively low in some areas at first. Sunny intervals during the day. Temperatures will range between 23 and 27 degrees. Moderate easterly winds.

Outlook : Sunny intervals on Sunday. Mainly fine and hot early next week.


(The above forecast period is valid up to 23:59 HKT today, 28/04/2018; 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 27/Apr/2018

N0 WARNING.

GENERAL SITUATION AT 270900 UTC:
AN EASTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 271300 UTC:

HONG KONG= E 4-5, OCNL 6. CLD. SEA UP TO 3 M. TEMP 23-27 C. =
KWANGTUNG= E 4-5, OCNL 6. DOWN TO 4000 M IN MIST OR RAIN PATCHES. SEA UP TO 3 M. SWELL NE UP TO 2 M. =
TAIWAN STRAIT= NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL NE UP TO 2 M. =
BASHI= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
PRATAS= E 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. SWELL E TO NE UP TO 2 M. =
BALINTANG= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
SCARBOROUGH= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL E TO NE UP TO 2 M. =
PARACEL= E 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TONKIN= E TO NE 4-5. DOWN TO 4000 M IN MIST PATCHES IN N. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= E 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
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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 28/Apr/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     28.5 C
Minimum Air Temperature                     22.9 C
Grass Minimum Temperature                   21.9 C
Relative Humidity                        68 - 87 Percent
Rainfall                                      Trace 
Total rainfall since 1st January           117.4 mm
Against an average of                      318.9 mm

Other Stations                Min                  Max
King's Park                  22.3 C               28.4 C
Wong Chuk Hang               22.4 C               28.2 C
Ta Kwu Ling                  21.6 C               27.9 C
Lau Fau Shan                 21.1 C               27.4 C
Sha Tin                      22.7 C               27.1 C
Tuen Mun                     22.3 C               28.0 C
Tseung Kwan O                21.6 C               27.7 C
Sai Kung                     22.5 C               27.4 C
Cheung Chau                  21.9 C               27.8 C
Chek Lap Kok                 23.4 C               28.4 C
Tsing Yi                     22.6 C               28.6 C
Shek Kong                    22.4 C               27.7 C
Tsuen Wan Ho Koon            21.3 C               26.6 C
Tsuen Wan Shing Mun Valley   22.1 C               27.6 C
Hong Kong Park               22.2 C               27.8 C
Shau Kei Wan                 22.1 C               27.0 C
Kowloon City                 22.2 C               27.4 C
Happy Valley                 22.7 C               28.9 C
Wong Tai Sin                 22.5 C               27.6 C
Stanley                      22.5 C               27.5 C
Kwun Tong                    22.2 C               27.6 C
Sham Shui Po                 22.8 C               29.0 C
Kai Tak Runway Park          22.4 C               26.8 C
Yuen Long Park               22.5 C               27.7 C
Tai Mei Tuk               21.8 C               27.3 C

Duration of sunshine (King's Park):              1.7 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 8.
Sea surface temperature (Waglan Island):        23.3 C 

Yesterday's (27 Apr 2018) 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                         0.12
Sha Tau Kok                         0.10
Kwun Tong                           0.12
Sai Wan Ho                          0.09
King's Park                         0.15
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 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 27 Apr
     2003copy right image | Important notices | Privacy policy Last revision date: <28 Apr 2018> 

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