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Bulletin issued at 11:02 HKT 24/Jun/2018

At 11 a.m. at the Hong Kong Observatory the air temperature was 30 degrees Celsius and the relative humidity 78 per cent.
During the past hour the mean UV Index recorded at King's Park was 6. The intensity of UV radiation was high.

The air temperatures at other places were:

King's Park 30 degrees;
Wong Chuk Hang 30 degrees;
Ta Kwu Ling 31 degrees;
Lau Fau Shan 30 degrees;
Tai Po 30 degrees;
Sha Tin 31 degrees;
Tuen Mun 32 degrees;
Tseung Kwan O 29 degrees;
Sai Kung 30 degrees;
Cheung Chau 30 degrees;
Chek Lap Kok 32 degrees;
Tsing Yi 31 degrees;
Shek Kong 32 degrees;
Tsuen Wan Ho Koon 28 degrees;
Tsuen Wan Shing Mun Valley 30 degrees;
Hong Kong Park 31 degrees;
Shau Kei Wan 30 degrees;
Kowloon City 30 degrees;
Happy Valley 31 degrees;
Wong Tai Sin 31 degrees;
Stanley 30 degrees;
Kwun Tong 31 degrees;
Sham Shui Po 31 degrees;
Kai Tak Runway Park 29 degrees;
Yuen Long Park 32 degrees;
Tai Mei Tuk 32 degrees.


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


Climatological Information for 24 Jun

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Bulletin updated at 10:45 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 one or two showers. Hot with sunny periods in the afternoon. Moderate south to southeasterly winds.

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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WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 09:30 HKT 24/JUN/2018
(Next update at 12:30 HKT 24/JUN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  150/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  160/15-20                            28-33
   B.   2000 FT:  170/15-20                            24
   C.   5000 FT:  160/20                               19
   D.  10000 FT:  170/15                               12
   E.  18000 FT:  180/15                               MS1
   F.  24000 FT:  180/10                               MS13
   G.  30000 FT:  030/10                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      SUNNY INTERVALS WITH A FEW SHOWERS AND 
      ISOLATED THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3000 FT. 
      TEMPO FEW CB 1000 FT  SCT 1500 FT  BKN 4000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 3500 M IN SHOWERS.  
                      TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 11200 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS. 
                      MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTHTERLY WINDS. 
     MAINLY CLOUDY WITH ISOLATED SHOWERS.=

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

Tropical Cyclone Warning
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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 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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