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Local Weather Forecast | Regional Temperature Forecast in HK
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Bulletin issued at 09:02 HKT 03/Jun/2018

At 9 a.m. at the Hong Kong Observatory the air temperature was 28 degrees Celsius and the relative humidity 77 per cent.
During the past hour the mean UV Index recorded at King's Park was 1. The intensity of UV radiation was low.

The air temperatures at other places were:

King's Park 27 degrees;
Wong Chuk Hang 28 degrees;
Ta Kwu Ling 29 degrees;
Lau Fau Shan 30 degrees;
Tai Po 27 degrees;
Sha Tin 27 degrees;
Tuen Mun 30 degrees;
Tseung Kwan O 27 degrees;
Sai Kung 27 degrees;
Cheung Chau 30 degrees;
Chek Lap Kok 31 degrees;
Tsing Yi 29 degrees;
Shek Kong 29 degrees;
Tsuen Wan Ho Koon 27 degrees;
Tsuen Wan Shing Mun Valley 28 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 27 degrees;
Kowloon City 27 degrees;
Happy Valley 28 degrees;
Wong Tai Sin 27 degrees;
Stanley 28 degrees;
Kwun Tong 27 degrees;
Sham Shui Po 29 degrees;
Kai Tak Runway Park 27 degrees;
Yuen Long Park 29 degrees;
Tai Mei Tuk 30 degrees.

Between midnight and 9 a.m. the minimum temperature was 27.3 degrees Celsius at the Hong Kong Observatory.

Here is the information on Tropical Depression at 9 a.m.:
Location: 13.5 degrees north, 111.4 degrees east.


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


Climatological Information for 3 Jun

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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Bulletin updated at 08:45 HKT 03/Jun/2018

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

An easterly airstream is affecting the coast of Guangdong.

At 8 a.m., the tropical depression over the southern part of the South China Sea was centred about 390 kilometres south of Xisha. It is forecast to move north-northwest at about 10 kilometres per hour across the southern part of the South China Sea.

Weather forecast for today

Sunny periods and one or two showers. Hot during the day. The maximum temperature will be around 32 degrees in the urban areas, and a couple of degrees higher in the New Territories. Moderate easterly winds, fresh offshore at first.

Outlook : More showers tomorrow. There will be squally showers and thunderstorms in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 03/06/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 09:30 HKT 03/JUN/2018
(Next update at 12:30 HKT 03/JUN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS. 
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE COAST OF
     GUANGDONG.
     AT 9 A.M., TROPICAL DEPRESSION OVER THE SOUTHERN
     PART OF SOUTH CHINA SEA WAS LOCATED NEAR 13.5 N
     111.4 E AND IS FORECAST TO MOVE NORTH-NORTHWEST
     AT ABOUT 5 KNOTS ACROSS THE SOUTHERN PART OF THE
     SOUTH CHINA SEA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  080/15-20, OCNL 25                   28-33
   B.   2000 FT:  120/15-20                            23
   C.   5000 FT:  180/10                               19
   D.  10000 FT:  170/5                                12
   E.  18000 FT:  130/5                                MS2
   F.  24000 FT:  360/5                                MS13
   G.  30000 FT:  240/10                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2900-3400 FT
   I. WEATHER       : 
      SUNNY PERIODS WITH ISOLATED SHOWERS AND
      THUNSERDTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT. TEMPO FEW CB 800 FT  SCT 1500 FT
      BKN 4000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. TEMPO 2500 M IN TS.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 11000 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-3.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, FRESH OFFSHORE.  MAINLY
     CLOUDY. A FEW SHOWERS AND ISOLATED THUNDERSTORMS.=

===================================================================
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.

The latest significant weather information
issued by the Hong Kong Observatory at 04:30 HKT on 03 Jun 18

VHHK SIGMET 8 VALID 021630/022030 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2048 E11712 - N2030 E11706 - N1642 E11400 - N1800 E11254 - N1906 E11354 - N2100 E11412 - N2048 E11712 TOP FL450 STNR NC= VHHK SIGMET 9 VALID 022030/030030 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2100 E11730 - N1642 E11400 - N1930 E11130 - N1936 E11130 - N1948 E11406 - N2124 E11730 - N2100 E11730 TOP FL450 STNR NC=

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 03/Jun/2018 
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     32.8 C
Minimum Air Temperature                     27.2 C
Grass Minimum Temperature                   27.0 C
Relative Humidity                        61 - 83 Percent
Rainfall                                      Trace 
Total rainfall since 1st January           175.0 mm
Against an average of                      658.6 mm

Other Stations                Min                  Max
King's Park                  26.4 C               32.4 C
Wong Chuk Hang               27.2 C               31.4 C
Ta Kwu Ling                  26.5 C               33.6 C
Lau Fau Shan                 25.5 C               34.8 C
Tai Po                       26.5 C               30.3 C
Sha Tin                      26.5 C               31.9 C
Tuen Mun                     26.9 C               31.8 C
Tseung Kwan O                26.0 C               30.6 C
Sai Kung                     26.4 C               29.6 C
Cheung Chau                  26.5 C               32.4 C
Chek Lap Kok                 27.6 C               34.5 C
Tsing Yi                     27.2 C               33.3 C
Shek Kong                    26.5 C               33.6 C
Tsuen Wan Ho Koon            25.4 C               32.3 C
Tsuen Wan Shing Mun Valley   26.6 C               31.3 C
Hong Kong Park               26.4 C               31.1 C
Shau Kei Wan                 25.9 C               30.8 C
Kowloon City                 26.2 C               32.4 C
Happy Valley                 27.0 C               32.4 C
Wong Tai Sin                 26.2 C               31.1 C
Stanley                      26.4 C               30.1 C
Kwun Tong                    25.8 C               30.1 C
Sham Shui Po                 27.1 C               32.3 C
Kai Tak Runway Park          26.5 C               29.9 C
Yuen Long Park               26.4 C               32.6 C
Tai Mei Tuk               26.1 C               33.1 C

Duration of sunshine (King's Park):              10.0 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.
Sea surface temperature (Waglan Island):        27.5 C 

Yesterday's (02 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 02 Jun
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