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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 15:02 HKT 21/Jun/2018

At 3 p.m. at the Hong Kong Observatory the air temperature was 31 degrees Celsius and the relative humidity 75 per cent.
During the past hour the mean UV Index recorded at King's Park was 5. The intensity of UV radiation was moderate.

Please be reminded that:

The Very Hot Weather Warning is now in force. Very hot weather might cause adverse health effects. Members of the public should take care to avoid heatstroke.

The air temperatures at other places were:

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


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


Climatological Information for 21 Jun

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 21/Jun/2018

GALE WARNING AREAS: TAIWAN STRAIT AND BASHI.

GENERAL SITUATION AT 202100 UTC:
TROUGH 24N 107E 25N 121E 27N 125E QSTNR.

MARINE FORECAST FOR 24 HOURS FROM 210100 UTC:

HONG KONG= SW 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. TEMP 33-28 C. =
KWANGTUNG= S TO SW 5-6, OCNL 7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 2 M. =
TAIWAN STRAIT= SW 6-7, OCNL 8. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 6 M. SWELL SW 2-3 M. =
BASHI= SW 6-7, OCNL 8. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 6 M. SWELL SW 2-3 M. =
PRATAS= SW 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3 M. SWELL SW 2 M. =
BALINTANG= SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 2-3 M. =
SCARBOROUGH= SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 2-3 M. =
PARACEL= S TO SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 2 M. =
TONKIN= S TO SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL S 2 M. =
DANANG= S TO SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL S TO SW 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

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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 16:25 HKT on 19 Jun 18

    VHHK SIGMET 1 VALID 190430/190830 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2100 E11730 - N2100 E11730 - N2042 E11536 - N2300 E11518 - N2342 E11730 - N2100 E11730 TOP FL420 MOV E 10KT WKN= VHHK SIGMET 2 VALID 190830/191130 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2254 E11454 - N2342 E11730 - N2130 E11730 - N2124 E11454 - N2254 E11454 TOP FL400 MOV E 10KT 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 21/Jun/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     32.4 C
Minimum Air Temperature                     28.8 C
Grass Minimum Temperature                   27.0 C
Relative Humidity                        71 - 84 Percent
Rainfall                                      Trace 
Total rainfall since 1st January           546.7 mm
Against an average of                      944.7 mm

Other Stations                Min                  Max
King's Park                  28.1 C               32.8 C
Wong Chuk Hang               28.2 C               31.0 C
Ta Kwu Ling                  25.5 C               33.5 C
Lau Fau Shan                 26.6 C               33.2 C
Tai Po                       26.9 C               32.7 C
Sha Tin                      28.2 C               32.4 C
Tuen Mun                     27.8 C               32.5 C
Tseung Kwan O                27.3 C               33.5 C
Sai Kung                     27.1 C               34.2 C
Cheung Chau                  27.2 C               33.0 C
Chek Lap Kok                 28.7 C               33.9 C
Tsing Yi                     28.4 C               31.6 C
Shek Kong                    27.1 C               33.5 C
Tsuen Wan Ho Koon            27.1 C               29.9 C
Tsuen Wan Shing Mun Valley   27.7 C               30.6 C
Hong Kong Park               28.4 C               31.1 C
Shau Kei Wan                 28.2 C               32.5 C
Kowloon City                 27.9 C               32.7 C
Happy Valley                 28.7 C               32.5 C
Wong Tai Sin                 27.9 C               32.8 C
Stanley                      28.2 C               30.6 C
Kwun Tong                    28.4 C               32.1 C
Sham Shui Po                 27.6 C               31.7 C
Kai Tak Runway Park          28.4 C               32.5 C
Yuen Long Park               26.9 C               33.8 C

Duration of sunshine (King's Park):              7.5 H
The mean UV index recorded at King's Park yesterday was 5,
the UV intensity was Moderate.
The maximum UV index for yesterday was 11.
 

Yesterday's (20 Jun 2018) 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                         0.11
Sha Tau Kok                         0.10
Kwun Tong                           0.12
Sai Wan Ho                          0.08
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 20 Jun
     2003copy right image | Important notices | Privacy policy Last revision date: <21 Jun 2018> 

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