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Bulletin updated at 06:45 HKT 24/Jun/2018

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

A southerly airstream is bringing showers to the coastal areas of Guangdong.

Weather forecast for today

Mainly cloudy with a few showers. Isolated thunderstorms at first. Sunny intervals during the day with a maximum temperature of about 31 degrees. Moderate southerly winds, occasionally fresh offshore.

Outlook : Showers will ease off and it will become fine in the next couple of days.


(The above forecast period is valid up to 23:59 HKT today, 24/06/2018; 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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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 23/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 230900 UTC:
TROUGH 24N 106E 29N 114E 28N 120E 30N 125E QSTNR.

MARINE FORECAST FOR 24 HOURS FROM 231300 UTC:

HONG KONG= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. TEMP 26-31 C. =
KWANGTUNG= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL S TO SW 2 M. =
TAIWAN STRAIT= SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. =
BASHI= SW 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. =
PRATAS= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
BALINTANG= S TO SW 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. =
SCARBOROUGH= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
PARACEL= S TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S TO SW 2 M. =
TONKIN= S TO SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL S UP TO 2 M. =
DANANG= S TO SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL S 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.


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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 16:30 HKT on 23 Jun 18

    VHHK SIGMET 2 VALID 230430/230830 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2224 E11700 - N2054 E11400 - N2130 E11248 - N2224 E11342 - N2254 E11454 - N2312 E11642 - N2224 E11700 TOP FL450 MOV NE 05KT NC= VHHK SIGMET 3 VALID 230830/231230 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2248 E11630 - N2130 E11542 - N2142 E11300 - N2224 E11336 - N2254 E11454 - N2248 E11630 TOP FL430 MOV NE 05KT WKN=

    Please click here for more about the SIGMET

    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 24/Jun/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     29.7 C
Minimum Air Temperature                     24.4 C
Grass Minimum Temperature                   25.7 C
Relative Humidity                        81 - 96 Percent
Rainfall                                    25.6 mm 
Total rainfall since 1st January           607.8 mm
Against an average of                      985.8 mm

Other Stations                Min                  Max
King's Park                  24.0 C               29.5 C
Wong Chuk Hang               24.3 C               29.2 C
Ta Kwu Ling                  24.4 C               28.4 C
Tai Po                       24.8 C               28.8 C
Sha Tin                      24.7 C               28.6 C
Tuen Mun                     24.4 C               28.7 C
Tseung Kwan O                24.2 C               29.5 C
Sai Kung                     25.0 C               29.8 C
Cheung Chau                  23.8 C               29.2 C
Chek Lap Kok                 25.1 C               30.7 C
Tsing Yi                     24.4 C               29.9 C
Shek Kong                    24.9 C               29.5 C
Tsuen Wan Ho Koon            23.7 C               27.3 C
Tsuen Wan Shing Mun Valley   24.5 C               29.1 C
Hong Kong Park               24.0 C               29.2 C
Shau Kei Wan                 24.0 C               29.9 C
Kowloon City                 23.9 C               29.2 C
Happy Valley                 24.6 C               29.6 C
Wong Tai Sin                 24.2 C               29.1 C
Stanley                      23.9 C               30.0 C
Kwun Tong                    24.2 C               29.9 C
Sham Shui Po                 24.1 C               29.1 C
Kai Tak Runway Park          24.2 C               29.7 C
Yuen Long Park               24.3 C               27.7 C
Tai Mei Tuk               24.4 C               27.9 C

Duration of sunshine (King's Park):              0.2 H
The mean UV index recorded at King's Park yesterday was 0.8,
the UV intensity was Low.
The maximum UV index for yesterday was 3.
 

Yesterday's (23 Jun 2018) 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                               0.10
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                         0.14
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.13
Chek Lap Kok                        0.13

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 23 Jun
     2003copy right image | Important notices | Privacy policy Last revision date: <24 Jun 2018> 

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