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Bulletin issued at 09:02 HKT 05/Jun/2018

At 9 a.m. at the Hong Kong Observatory the air temperature was 28 degrees Celsius and the relative humidity 91 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.7. The intensity of UV radiation was low.

The air temperatures at other places were:

King's Park 28 degrees;
Wong Chuk Hang 28 degrees;
Ta Kwu Ling 29 degrees;
Lau Fau Shan 28 degrees;
Tai Po 27 degrees;
Sha Tin 28 degrees;
Tuen Mun 29 degrees;
Tseung Kwan O 28 degrees;
Sai Kung 28 degrees;
Cheung Chau 27 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 27 degrees;
Shek Kong 28 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 28 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 28 degrees;
Kowloon City 28 degrees;
Happy Valley 29 degrees;
Wong Tai Sin 28 degrees;
Stanley 28 degrees;
Kwun Tong 28 degrees;
Sham Shui Po 28 degrees;
Kai Tak Runway Park 29 degrees;
Yuen Long Park 29 degrees;
Tai Mei Tuk 28 degrees.

Between 7:45 and 8:45 a.m., the rainfall recorded in various regions were:

Islands District 0 to 2 mm;
Yau Tsim Mong 0 to 1 mm;
Kwai Tsing 0 to 1 mm;
Tai Po 0 to 1 mm;
Central & Western District 0 to 1 mm;
Sha Tin 0 to 1 mm;
Wan Chai 0 to 1 mm;
Southern District 0 to 1 mm;
Sham Shui Po 0 to 1 mm.

Between midnight and 9 a.m. the minimum temperature was 25.9 degrees Celsius at the Hong Kong Observatory.

Here is the information on Tropical Depression at 9 a.m.:
Location: 17.3 degrees north, 111.1 degrees east.


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


Climatological Information for 5 Jun

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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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 06:53 HKT on 05 Jun 18

VHHK SIGMET 5 VALID 041900/042300 VHHH- VHHK HONG KONG FIR EMBD TS FCST W OF LINE N2312 E11554 - N1942 E11624 TOP FL450 MOV NNW 15KT INTSF= VHHK SIGMET 6 VALID 042300/050300 VHHH- VHHK HONG KONG FIR EMBD TS FCST W OF LINE N2318 E11612 - N2030 E11706 TOP FL450 MOV NNW 15KT NC=

Please click here for more about the 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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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 05/Jun/2018 
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     31.2 C
Minimum Air Temperature                     26.5 C
Grass Minimum Temperature                   26.3 C
Relative Humidity                        70 - 93 Percent
Rainfall                                    12.4 mm 
Total rainfall since 1st January           187.4 mm
Against an average of                      681.5 mm

Other Stations                Min                  Max
King's Park                  25.9 C               31.0 C
Wong Chuk Hang               26.3 C               30.7 C
Ta Kwu Ling                  27.0 C               33.1 C
Lau Fau Shan                 25.5 C               31.5 C
Tai Po                       26.8 C               29.3 C
Sha Tin                      26.4 C               30.8 C
Tuen Mun                     26.5 C               32.0 C
Tseung Kwan O                25.4 C               29.2 C
Sai Kung                     26.2 C               29.1 C
Cheung Chau                  26.0 C               30.8 C
Chek Lap Kok                 27.3 C               32.5 C
Tsing Yi                     26.2 C               31.6 C
Shek Kong                    26.6 C               31.5 C
Tsuen Wan Ho Koon            25.0 C               31.0 C
Tsuen Wan Shing Mun Valley   26.0 C               30.5 C
Hong Kong Park               25.5 C               29.0 C
Shau Kei Wan                 25.2 C               29.4 C
Kowloon City                 25.5 C               31.2 C
Happy Valley                 26.6 C               30.8 C
Wong Tai Sin                 25.4 C               31.1 C
Stanley                      26.3 C               29.9 C
Kwun Tong                    25.8 C               29.2 C
Sham Shui Po                 26.4 C               31.5 C
Kai Tak Runway Park          26.2 C               29.5 C
Yuen Long Park               25.7 C               31.9 C
Tai Mei Tuk               25.7 C               32.7 C

Duration of sunshine (King's Park):              2.1 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 9.
Sea surface temperature (Waglan Island):        28.2 C 

Yesterday's (04 Jun 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                           0.09
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                          0.08
King's Park                         0.15
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 04 Jun
 2003copy right image | Important notices | Privacy policy Last revision date: <05 Jun 2018> 

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