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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 07:02 HKT 10/Jun/2018

At 7 a.m. at the Hong Kong Observatory the air temperature was 28 degrees Celsius and the relative humidity 79 per cent.

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 28 degrees;
Wong Chuk Hang 28 degrees;
Ta Kwu Ling 27 degrees;
Lau Fau Shan 27 degrees;
Tai Po 27 degrees;
Sha Tin 28 degrees;
Tuen Mun 28 degrees;
Tseung Kwan O 28 degrees;
Sai Kung 29 degrees;
Cheung Chau 27 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 28 degrees;
Shek Kong 26 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 27 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 29 degrees;
Kowloon City 28 degrees;
Happy Valley 28 degrees;
Wong Tai Sin 28 degrees;
Stanley 29 degrees;
Kwun Tong 29 degrees;
Sham Shui Po 28 degrees;
Kai Tak Runway Park 29 degrees;
Yuen Long Park 27 degrees;
Tai Mei Tuk 27 degrees.


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


Climatological Information for 10 Jun


Local Weather Forecast
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Local Weather Forecast

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

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UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 06:45 HKT 10/Jun/2018

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

A continental airstream is bringing mainly fine weather to the western part of Guangdong.

At 5 a.m., Severe Tropical Storm Maliksi was centred about 260 kilometres southeast of Okinawa. It is forecast to move northeast at about 30 kilometres per hour towards the seas south of Japan.

Weather forecast for today

Very hot with sunny periods and a maximum temperature of around 33 degrees. Moderate west to northwesterly winds.

Outlook : Very hot with sunny periods tomorrow. Showers and thunderstorms in the middle and latter parts of this week.


(The above forecast period is valid up to 23:59 HKT today, 10/06/2018; 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 21:00 HKT 09/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 090900 UTC:
A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 091300 UTC:

HONG KONG= W TO NW 4-5. ISOL SHOWERS. SEA UP TO 2 M. SWELL SW UP TO 2 M. TEMP 27-33 C. =
KWANGTUNG= W TO SW 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. SWELL SW 2 M. =
TAIWAN STRAIT= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL NE 2 M. =
BASHI= W TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S TO SE 2-3 M. =
PRATAS= W TO SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
BALINTANG= W TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S TO SE 2-3 M. =
SCARBOROUGH= W TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 2 M. =
PARACEL= W TO SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
TONKIN= W TO SW 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. =
DANANG= W TO SW 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL 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 05:30 HKT 10/Jun/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 5:30 a.m. on 10 June 2018

Warnings:
Strong winds in Nan'ao, Shanwei, south of Hong Kong and Shangchuan Dao.

Weather Situation:
A southwesterly airstream is affecting the South China Coastal Waters.

At 5 a.m., Severe Tropical Storm Maliksi with maximum sustained winds of about 105 kilometres per hour near its centre was located near 24.6 degrees north, 129.6 degrees east. It is forecast to move northeast at about 30 kilometres per hour towards the seas south of Japan.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
West to northwest force 4 to 5.
Isolated showers.
Moderate seas.

Nan'ao, Shanwei and South of Hong Kong:
West to southwest force 4 to 5, occasionally force 6.
Isolated showers and thunderstorms.
Moderate to rough seas.

Shangchuan Dao:
West to southwest force 4 to 5, occasionally force 6.
Moderate to rough seas.

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

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

Shantou Wind east-northeast force 2
  Visibility 8 Kilometres

Huangmaozhou Wind northwest force 4

Macau Wind west-northwest force 2
  Visibility 16 Kilometres

Xisha Wind west-southwest force 3
  Visibility 21 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 10/JUN/2018
(Next update at 9:00-9:30 HKT 10/JUN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE REMNANT OF EWINIAR IS BRINGING UNSETTLED
     WEATHER TO THE COAST OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  310/5-10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  300/10-15                            27-33
   B.   2000 FT:  300/15-20                            23
   C.   5000 FT:  290/20, OCNL 25                      19
   D.  10000 FT:  290/20, OCNL 25                      11
   E.  18000 FT:  280/10-15                            0
   F.  24000 FT:  300/15                               MS11
   G.  30000 FT:  310/10                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH ISOLATED SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT  SCT 4000 FT.  TEMPO FEW CB 1000 FT
      SCT 2000 FT BKN 4000 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS. TEMPO 2500 M IN TS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS. MOD OFFSHORE AND  NEAR HILLS.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE WEST TO NORTHWESTERLY 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 04:45 HKT on 10 Jun 18

VHHK SIGMET 5 VALID 091700/092100 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2242 E11430 - N2342 E11730 - N2148 E11730 - N2136 E11354 - N2242 E11430 - N2242 E11430 TOP FL400 MOV E 10KT NC= VHHK SIGMET 6 VALID 092100/100100 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2306 E11542 - N2324 E11636 - N2048 E11612 - N2048 E11336 - N2124 E11336 - N2142 E11500 - N2306 E11542 TOP FL360 MOV E 10KT NC=

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: <09 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 10/Jun/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     30.4 C
Minimum Air Temperature                     26.5 C
Grass Minimum Temperature                   25.4 C
Relative Humidity                        69 - 90 Percent
Rainfall                                     4.8 mm 
Total rainfall since 1st January           396.3 mm
Against an average of                      778.4 mm

Other Stations                Min                  Max
King's Park                  26.1 C               30.6 C
Wong Chuk Hang               26.1 C               30.0 C
Ta Kwu Ling                  25.7 C               31.1 C
Lau Fau Shan                 25.2 C               31.1 C
Tai Po                       25.5 C               30.2 C
Sha Tin                      26.1 C               30.5 C
Tuen Mun                     25.9 C               30.7 C
Tseung Kwan O                25.6 C               31.4 C
Sai Kung                     25.9 C               32.2 C
Cheung Chau                  25.4 C               30.4 C
Chek Lap Kok                 26.9 C               31.8 C
Tsing Yi                     25.9 C               30.8 C
Shek Kong                    25.7 C               30.8 C
Tsuen Wan Ho Koon            24.8 C               28.7 C
Tsuen Wan Shing Mun Valley   25.5 C               30.5 C
Hong Kong Park               25.7 C               31.0 C
Shau Kei Wan                 25.7 C               31.2 C
Kowloon City                 25.3 C               31.4 C
Happy Valley                 26.5 C               31.9 C
Wong Tai Sin                 25.6 C               31.2 C
Stanley                      25.3 C               30.8 C
Kwun Tong                    26.0 C               32.1 C
Sham Shui Po                 25.7 C               31.4 C
Kai Tak Runway Park          26.3 C               31.8 C
Yuen Long Park               25.2 C               31.2 C
Tai Mei Tuk               25.5 C               29.7 C

Duration of sunshine (King's Park):              4.5 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 9.
 

Yesterday's (09 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                           0.13
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 09 Jun
Last revision date: <10 Jun 2018> 

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