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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 12/Oct/2016

At noon at the Hong Kong Observatory the air temperature was 26 degrees Celsius and the relative humidity 77 per cent.
During the past hour the mean UV Index recorded at King's Park was 2. The intensity of UV radiation was low.

The air temperatures at other places were:

King's Park 25 degrees;
Wong Chuk Hang 26 degrees;
Ta Kwu Ling // degrees;
Lau Fau Shan 24 degrees;
Tai Po 24 degrees;
Sha Tin 24 degrees;
Tuen Mun 24 degrees;
Tseung Kwan O 24 degrees;
Sai Kung 24 degrees;
Cheung Chau 24 degrees;
Chek Lap Kok 25 degrees;
Tsing Yi 26 degrees;
Shek Kong 25 degrees;
Tsuen Wan Ho Koon 25 degrees;
Tsuen Wan Shing Mun Valley 25 degrees;
Hong Kong Park 25 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 26 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 26 degrees;
Stanley // degrees;
Kwun Tong 25 degrees;
Sham Shui Po 26 degrees;
Kai Tak Runway Park // degrees;
Yuen Long Park // degrees.

0.6 millimetre 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 12 Oct

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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 11:45 HKT 12/Oct/2016

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

The northeast monsoon is affecting southern China. Meanwhile, a rainband is affecting the coast of Guangdong and the northern part of the South China Sea. Besides, the area of low pressure over the seas east of the Philippines is bringing unsettled weather to the region. A tropical cyclone appears to be forming.

Weather forecast for this afternoon and tonight

Mainly cloudy with a few rain patches. Moderate to fresh northeasterly winds, occasionally strong offshore and on high ground.

Outlook : Becoming mainly fine in the next few days.


(The above forecast period is valid up to 23:59 HKT today, 12/10/2016; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Information on Tropical Cyclones

Marine Weather Information and Forecast

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MARINE FORECAST
Traditional Chinese Simplified Chinese

Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 12/Oct/2016

N0 WARNING.

GENERAL SITUATION AT 112100 UTC:
A NORTHEAST MONSOON IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 120100 UTC:

HONG KONG= NE 4-5, OCNL 6. OCNL RAIN. SEA 2 M. TEMP 26-23 C. =
KWANGTUNG= E TO NE 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 2 M. =
BASHI= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. =
PRATAS= E TO NE 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL NE 2 M. =
BALINTANG= E TO NE 5, OCNL 6. ISOL SHOWERS. SEA 2 M. =
SCARBOROUGH= E TO SE 4-5. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 2 M. =
PARACEL= N TO NE 5-6, E 6 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL NE 2 M. =
TONKIN= NE 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS LATER. SEA 2-3 M. =
DANANG= N TO NE 4-5, BEC 6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS LATER. SEA 2 M, BEC 3 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

    • 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 12/Oct/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 12 October 2016

    Warnings:
    Strong winds in all areas.

    Weather Situation:
    The northeast monsoon is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    Northeast force 4 to 5, occasionally force 6.
    A few rain patches.
    Moderate to rough seas.

    Nan'ao, Shanwei and South of Hong Kong:
    East to northeast force 6 to 7.
    Isolated showers and thunderstorms.
    Rough seas.

    Shangchuan Dao:
    East to northeast force 5 to 6.
    Isolated showers and thunderstorms.
    Moderate to rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 6 to 7. Squally showers and thunderstorms.

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

    Waglan Island Wind north-northeast force 5
      Visibility 14 Kilometres

    Shantou Wind east-northeast force 2
      Visibility 30 Kilometres

    Dongsha Wind east force 3
      Visibility 10 Kilometres

    Huangmaozhou Wind northeast force 5

    Macau Wind north force 4
      Visibility 8 Kilometres

    Xisha Wind north-northeast force 4
      Visibility 22 Kilometres

  • Explanation of Seas or Sea Waves
  • Explanation of Swells
  • Descriptive Terms of Wind Speeds
  • Visibility Readings in Hong Kong Waters
  • Map showing forecast areas
  • Tidal Information

    • WEATHER FORECAST FOR LOCAL AVIATION
    Traditional Chinese Simplified Chinese

    Weather Forecast for Local Aviation

    Bulletin issued at 09:00 HKT 12/OCT/2016
    (Next update at 17:30 HKT 12/OCT/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING SOUTHERN
     CHINA. MEANWHILE, A RAIN BAND IS AFFECTING THE
     COAST OF GUANGDONG AND THE NORTHERN 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:  040/15-20
       OFFSHORE:  050/15-20, OCNL 25                   22-26
   B.   2000 FT:  070/20-25                            20
   C.   5000 FT:  100/25-30                            18
   D.  10000 FT:  110/20                               10
   E.  18000 FT:  080/15                               MS2
   F.  24000 FT:  090/10                               MS12
   G.  30000 FT:  170/15                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH OCCASIONAL RAIN.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1200 FT SCT 3000 FT
   K. VISIBILITY    : 8 KM.  TEMPO 3000 M IN RAIN.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 10200 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHEASTERLY WINDS, STRONG
     OFFSHORE AND ON HIGH GROUNDS. CLOUDY WITH SOME
     RAIN.=

    ===================================================================
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 11:30 HKT on 12 Oct 16

    VHHK SIGMET 1 VALID 120335/120735 VHHH- VHHK HONG KONG FIR EMBD TS FCST S OF N2000 TOP FL420 MOV W 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.

    The latest report on Tropical Cyclone Aere broadcast by Dr LEE TSZ CHEUNG , Senior Scientific Officer of the Hong Kong Observatory at 6:18 p.m. on 08 Oct 2016.
    Listen Listen

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

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    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 12/Oct/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     26.8 C
Minimum Air Temperature                     22.0 C
Grass Minimum Temperature                   23.8 C
Relative Humidity                        74 - 88 Percent
Rainfall                                     0.1 mm 
Total rainfall since 1st January          2394.3 mm
Against an average of                     2279.9 mm

Other Stations                Min                  Max
King's Park                  21.1 C               26.6 C
Wong Chuk Hang               20.8 C               27.0 C
Ta Kwu Ling                  20.9 C               25.5 C
Lau Fau Shan                 20.7 C               25.6 C
Tai Po                       21.0 C               26.1 C
Sha Tin                      20.8 C               26.1 C
Tuen Mun                     20.8 C               25.7 C
Tseung Kwan O                20.7 C               27.4 C
Sai Kung                     21.0 C               25.4 C
Cheung Chau                  20.9 C               27.8 C
Chek Lap Kok                 21.0 C               27.8 C
Tsing Yi                     21.3 C               26.9 C
Shek Kong                    21.0 C               25.6 C
Tsuen Wan Ho Koon            20.3 C               25.0 C
Tsuen Wan Shing Mun Valley   21.1 C               26.8 C
Hong Kong Park               21.1 C               26.9 C
Shau Kei Wan                 20.8 C               27.4 C
Kowloon City                 20.8 C               26.2 C
Happy Valley                 21.3 C               28.6 C
Wong Tai Sin                 21.1 C               27.6 C
Stanley                      22.0 C               28.0 C
Kwun Tong                    20.9 C               28.4 C
Sham Shui Po                 21.1 C               28.0 C
Kai Tak Runway Park          21.3 C               28.3 C
Yuen Long Park               20.8 C               26.5 C

Duration of sunshine (King's Park):              0.7 H
The mean UV index recorded at King's Park yesterday was 2,
the UV intensity was Low.
The maximum UV index for yesterday was 5.
 

Yesterday's (11 Oct 2016) 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                           0.08
Tap Mun                             0.09
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.13
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                      0.14
Chek Lap Kok                        0.15

Note

      

    1. From readings taken at various locations in Hong Kong during
the period 1987-2015, the background ambient gamma radiation
levels may vary between 0.06 and 0.30 microsievert per hour.

    2. The extent of health effects to a person as a result of
exposure to radiation is expressed by a physical quantity
called equivalent dose, in unit of sievert.  Protective
action may be required if there is an increase in the
ambient gamma dose rate above background such that the total
additional dose is expected to exceed 5000 microsieverts in
a relatively short period of time. For example, a dose of
5000 microsieverts may be reached when the ambient gamma
dose rate is 1000 microsieverts per hour (several thousand
times above background) and lasts for 5 hours.

    3. The readings of ambient gamma radiation level from
instrument are expressed in unit of gray, which is
numerically equal to the gamma dose expressed in sievert.
    Climatological Information for 11 Oct
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