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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 12:02 HKT 20/Jun/2018

At noon at the Hong Kong Observatory the air temperature was 32 degrees Celsius and the relative humidity 72 per cent.
During the past hour the mean UV Index recorded at King's Park was 9. The intensity of UV radiation was very high.

Please be reminded that:

The Very Hot Weather Warning was issued at noon. 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 32 degrees;
Sha Tin 31 degrees;
Tuen Mun 31 degrees;
Tseung Kwan O 33 degrees;
Sai Kung 34 degrees;
Cheung Chau 30 degrees;
Chek Lap Kok 32 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 31 degrees;
Shau Kei Wan 31 degrees;
Kowloon City 32 degrees;
Happy Valley 32 degrees;
Wong Tai Sin 31 degrees;
Stanley 30 degrees;
Kwun Tong 31 degrees;
Sham Shui Po 31 degrees;
Kai Tak Runway Park 32 degrees;
Yuen Long Park 32 degrees;
Tai Mei Tuk 33 degrees.

A trace of rainfall was recorded at the Hong Kong Observatory between midnight last night and midday today.


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


Climatological Information for 20 Jun


Local Weather Forecast
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Local Weather Forecast

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

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

Bulletin updated at 12:00 HKT 20/Jun/2018

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

The southwest monsoon is bringing showers to the coast of Guangdong.

Weather forecast for this afternoon and tonight

Mainly cloudy. Very hot with sunny periods in the afternoon. Moderate southwesterly winds, occasionally fresh offshore.

Outlook : Hot with sunny periods in the next couple of days. A few showers during the weekend and early next week.


(The above forecast period is valid up to 23:59 HKT today, 20/06/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)



MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 20/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 192100 UTC:
A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 200100 UTC:

HONG KONG= SW 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL SW UP TO 2 M. TEMP 32-28 C. =
KWANGTUNG= SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
TAIWAN STRAIT= SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW UP TO 3 M. =
BASHI= SW 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW UP TO 3 M. =
PRATAS= SW 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 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 UP TO 3 M. =
SCARBOROUGH= SW 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. SWELL SW UP TO 3 M. =
PARACEL= S TO SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
TONKIN= S TO SW 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. SWELL S TO SW 2 M. =
DANANG= S TO SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 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.



SOUTH CHINA COASTAL WATERS
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South China Coastal Waters

Current Weather | Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 12:30 HKT 20/Jun/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 20 June 2018

Warnings:
Strong winds in all areas.

Weather Situation:
A southwesterly airstream is affecting the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
Southwest force 5 to 6.
Isolated showers and thunderstorms.
Moderate to rough seas.

Nan'ao:
Southwest force 5 to 6, occasionally force 7.
Isolated showers and thunderstorms.
Moderate to rough seas.

Shanwei:
Southwest force 5 to 6.
Isolated showers and thunderstorms.
Moderate to rough seas.

South of Hong Kong and Shangchuan Dao:
Southwest force 5 to 6.
Moderate to rough seas.

Outlook for the next 48 hours
South to southwesterly winds of force 5 to 6. Isolated showers and thunderstorms.

Latest reports from south China coastal weather stations
--------------------------------------------------------

Waglan Island Wind southwest force 5

Shantou Wind west force 2
  Visibility 30 Kilometres

Huangmaozhou Wind west-southwest force 4

Macau Wind south-southwest force 2
  Visibility 17 Kilometres

Xisha Wind south-southwest force 4
  Visibility 13 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 12:30 HKT 20/JUN/2018
(Next update at 17:30 HKT 20/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 SOUTHWESTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  220/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  230/15-20                            34-29
   B.   2000 FT:  210/15-20                            25
   C.   5000 FT:  230/20                               21
   D.  10000 FT:  240/10                               13
   E.  18000 FT:  300/5-10                             MS1
   F.  24000 FT:  020/5-10                             MS11
   G.  30000 FT:  030/10                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      SUNNY PERIODS WITH ISOLATED SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3000 FT.  TEMPO FEW CB 1000 FT
      SCT 2000 FT  BKN 4000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. 
                      TEMPO 2500 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 11600 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 SOUTHWESTERLY 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.


sigmet
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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


Tropical Cyclone Warning
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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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Last revision date: <18 Jun 2018> 

TROPICAL CYCLONE WARNING FOR SHIPPING
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Tropical Cyclone Warning for Shipping

There is no tropical cyclone warning for shipping*.




*Tropical cyclone warnings for shipping are issued by the Hong Kong Observatory for tropical cyclones located within the area bounded by 105E and 125E , 10N and 30N.




For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


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 20/Jun/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     31.5 C
Minimum Air Temperature                     28.6 C
Grass Minimum Temperature                   26.8 C
Relative Humidity                        71 - 84 Percent
Rainfall                                      Trace 
Total rainfall since 1st January           546.7 mm
Against an average of                      936.0 mm

Other Stations                Min                  Max
King's Park                  28.0 C               31.3 C
Wong Chuk Hang               27.9 C               30.6 C
Ta Kwu Ling                  26.0 C               33.1 C
Lau Fau Shan                 26.0 C               33.0 C
Tai Po                       27.1 C               31.9 C
Sha Tin                      28.0 C               31.6 C
Tuen Mun                     27.8 C               32.0 C
Tseung Kwan O                27.1 C               32.2 C
Sai Kung                     28.5 C               33.0 C
Cheung Chau                  27.1 C               31.5 C
Chek Lap Kok                 28.1 C               33.8 C
Tsing Yi                     28.0 C               31.4 C
Shek Kong                    27.5 C               33.3 C
Tsuen Wan Ho Koon            26.9 C               28.9 C
Tsuen Wan Shing Mun Valley   28.1 C               30.2 C
Hong Kong Park               28.3 C               30.9 C
Shau Kei Wan                 27.1 C               31.0 C
Kowloon City                 27.6 C               31.5 C
Happy Valley                 28.0 C               31.0 C
Wong Tai Sin                 28.2 C               31.9 C
Stanley                      27.6 C               29.8 C
Kwun Tong                    27.7 C               31.4 C
Sham Shui Po                 27.8 C               31.0 C
Kai Tak Runway Park          27.8 C               31.3 C
Yuen Long Park               27.4 C               33.3 C
Tai Mei Tuk               26.9 C               32.4 C

Duration of sunshine (King's Park):              2.5 H
The mean UV index recorded at King's Park yesterday was 4,
the UV intensity was Moderate.
The maximum UV index for yesterday was 10.
 

Yesterday's (19 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                             0.09
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                         0.14
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 19 Jun
Last revision date: <20 Jun 2018> 

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