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

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Bulletin issued at 18:02 HKT 13/Oct/2016

At 6 p.m. at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 78 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.1. 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 26 degrees;
Lau Fau Shan 27 degrees;
Tai Po 26 degrees;
Sha Tin 26 degrees;
Tuen Mun 27 degrees;
Tseung Kwan O 25 degrees;
Sai Kung 26 degrees;
Cheung Chau 25 degrees;
Chek Lap Kok 28 degrees;
Tsing Yi 27 degrees;
Shek Kong 27 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 26 degrees;
Hong Kong Park 26 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 26 degrees;
Happy Valley 26 degrees;
Wong Tai Sin 26 degrees;
Stanley 26 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 27 degrees;
Kai Tak Runway Park 26 degrees;
Yuen Long Park 27 degrees.

Here is the information on Tropical Depression at 4 p.m.:
Location: 16.6 degrees north, 108.5 degrees east.


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


Climatological Information for 13 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 17:45 HKT 13/Oct/2016

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

The northeast monsoon is dominating southern China.

At 4 p.m., the tropical depression east of the Philippines was centred about 910 kilometres east of Manila. It is forecast to move west at about 14 kilometres per hour towards Luzon. Meanwhile, the tropical depression south of Hainan Island was centred about 70 kilometres north-northeast of Da Nang. It is forecast to move west at about 14 kilometres per hour towards Vietnam and dissipate gradually after landfall.

Weather forecast for tonight and tomorrow

Cloudy periods overnight. Mainly fine during the day tomorrow. Temperatures will range between 25 and 30 degrees. Moderate to fresh east to northeasterly winds.

Outlook : Mainly fine in the following couple of days. Windier with rain midweek next week.


(The above forecast period is valid up to 23:59 HKT tomorrow, 14/10/2016; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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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 13/Oct/2016

N0 WARNING.

GENERAL SITUATION AT 122100 UTC:
A NORTHEAST MONSOON IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 130100 UTC:

HONG KONG= E TO NE 5-6, OCNL 7. CLD. SEA 3 M. TEMP 28-25 C. =
KWANGTUNG= E TO NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
BASHI= E TO NE 5-6, OCNL 7. ISOL SHOWERS. SEA 3 M. SWELL NE 2 M. =
PRATAS= E TO NE 6-7. ISOL SHOWERS. SEA 3-4 M. SWELL NE 2 M. =
BALINTANG= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL NE 2 M. =
SCARBOROUGH= E TO SE 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA 2 M. SWELL NE 2 M. =
PARACEL= E TO NE 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 2 M. =
TONKIN= NE 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. =
DANANG= NE 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 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.


  • 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 17:05 HKT 13/Oct/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 5:05 p.m. on 13 October 2016

    Warnings:
    Strong winds in all areas.

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

    At 4 p.m., the tropical depression south of Hainan Island with maximum sustained winds of about 45 kilometres per hour near its centre was located at 16.6 degrees north, 108.5 degrees east, it is forecast to move west at about 14 kilometres per hour towards Vietnam and dissipate gradually after landfall. Meanwhile, the tropical depression east of the Philippines with maximum sustained winds of about 45 kilometres per hour near its centre was located at 13.2 degrees north, 129.3 degrees east, it is forecast to move west at about 14 kilometres per hour towards Luzon.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East to northeast force 5 to 6.
    Moderate to rough seas.

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

    Shangchuan Dao:
    East to northeast force 6 to 7.
    Scattered squally showers and thunderstorms.
    Rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 5 to 6, up to force 7 at first. Isolated squally showers and thunderstorms.

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

    Waglan Island Wind east-northeast force 4
      Visibility 16 Kilometres

    Shantou Wind east force 2
      Visibility 30 Kilometres

    Dongsha Wind northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind east-northeast force 6

    Macau Wind north-northeast force 3
      Visibility 15 Kilometres

    Xisha Wind east-southeast force 3
      Visibility 4500 Metres in showers

  • 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 17:30 HKT 13/OCT/2016
    (Next update at 01:30 HKT 14/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.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10-15
       OFFSHORE:  080/20-25                            28-26
   B.   2000 FT:  080/20-25                            20
   C.   5000 FT:  090/20-25                            17
   D.  10000 FT:  090/15-20                            10
   E.  18000 FT:  110/10                               MS4
   F.  24000 FT:  350/10                               MS14
   G.  30000 FT:  300/20                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW RAIN PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2200 FT SCT 3500 FT
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 10000, 10400 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY WINDS,
     STRONG OFFSHORE AND ON HIGH GROUND AT FIRST.
     MAINLY CLOUDY AT FIRST.  MAINLY FINE DURING THE
     DAY.=

    ===================================================================
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 15:30 HKT on 13 Oct 16

    VHHK SIGMET 2 VALID 130735/131135 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1800 E11500 - N1642 E11400 - N1930 E11130 - N2000 E11130 - N2000 E11330 - N1800 E11500 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

    Tropical Cyclone Warning |  Track and Positions of Tropical Cyclones
    Current Weather |  Local Weather Forecast |  9-day Weather Forecast
    South China Coastal Waters |  Marine Forecast
    Severe Weather Information Centre

    Bulletin issued at 18:30 HKT 13/Oct/2016


    Tropical Cyclone Warning

    At 130900 UTC, the Tropical Depression south of Hainan Island with central pressure 1000 hectopascals was centred within 90 nautical miles of one six point six degrees north (16.6 N) one zero eight point five degrees east (108.5 E) and is forecast to move west at about 8 knots for the next 24 hours.

    Maximum winds near the centre are estimated to be 25 knots.

    Radius of over 2 metre waves 180 nautical miles over northern semicircle, 120 nautical miles elsewhere.

    Forecast position and intensity at 140900 UTC
    Dissipated over land.



    The Hong Kong Observatory's tropical cyclone warnings for shipping are issued about one and a half hours after the time of observation. They incorporate additional information derived from surface and upper-air data and may therefore be slightly different from the real-time satellite or radar-based positions given in the hourly bulletins for public.

    While the forecast positions and track indicate the most likely future path of the tropical cyclone, they may deviate from the actual path taken by the storm.

    Tropical Cyclone Track
    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 13/Oct/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     25.8 C
Minimum Air Temperature                     23.0 C
Grass Minimum Temperature                   24.2 C
Relative Humidity                        76 - 91 Percent
Rainfall                                     0.9 mm 
Total rainfall since 1st January          2395.2 mm
Against an average of                     2282.3 mm

Other Stations                Min                  Max
King's Park                  22.1 C               25.5 C
Wong Chuk Hang               22.7 C               26.4 C
Ta Kwu Ling                  20.9 C               25.0 C
Lau Fau Shan                 20.8 C               25.4 C
Tai Po                       21.2 C               24.7 C
Sha Tin                      21.7 C               25.2 C
Tuen Mun                     21.1 C               24.9 C
Tseung Kwan O                21.5 C               24.7 C
Sai Kung                     21.6 C               24.9 C
Cheung Chau                  21.8 C               24.6 C
Chek Lap Kok                 22.3 C               26.1 C
Tsing Yi                     22.4 C               26.5 C
Shek Kong                    20.9 C               25.0 C
Tsuen Wan Ho Koon            21.2 C               25.9 C
Tsuen Wan Shing Mun Valley   22.0 C               26.8 C
Hong Kong Park               22.4 C               25.7 C
Shau Kei Wan                 22.0 C               25.7 C
Kowloon City                 21.6 C               25.9 C
Happy Valley                 23.3 C               26.5 C
Wong Tai Sin                 22.0 C               26.1 C
Stanley                      22.6 C               26.2 C
Kwun Tong                    22.2 C               25.4 C
Sham Shui Po                 21.9 C               26.4 C
Kai Tak Runway Park          22.9 C               26.4 C
Yuen Long Park               21.1 C               25.2 C

Duration of sunshine (King's Park):              0.1 H
The mean UV index recorded at King's Park yesterday was 1,
the UV intensity was Low.
The maximum UV index for yesterday was 3.
 

Yesterday's (12 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                      0.13
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 12 Oct
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