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Bulletin issued at 01:02 HKT 28/Nov/2016

At 1 a.m. at the Hong Kong Observatory the air temperature was 17 degrees Celsius and the relative humidity 78 per cent.

The air temperatures at other places were:

King's Park 17 degrees;
Wong Chuk Hang 17 degrees;
Ta Kwu Ling 15 degrees;
Lau Fau Shan 15 degrees;
Tai Po 15 degrees;
Sha Tin 16 degrees;
Tuen Mun 16 degrees;
Tseung Kwan O 15 degrees;
Sai Kung 17 degrees;
Cheung Chau 17 degrees;
Chek Lap Kok 18 degrees;
Tsing Yi 17 degrees;
Shek Kong 14 degrees;
Tsuen Wan Ho Koon 15 degrees;
Tsuen Wan Shing Mun Valley 15 degrees;
Hong Kong Park 18 degrees;
Shau Kei Wan 17 degrees;
Kowloon City 17 degrees;
Happy Valley 17 degrees;
Wong Tai Sin 17 degrees;
Stanley 18 degrees;
Kwun Tong 18 degrees;
Sham Shui Po 17 degrees;
Kai Tak Runway Park 19 degrees;
Yuen Long Park 16 degrees.

Here is the information on Tropical Storm Tokage at 1 a.m.:
Location: 16.7 degrees north, 118.1 degrees east.


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


Climatological Information for 28 Nov

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


Local Weather Forecast
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Bulletin updated at 00:45 HKT 28/Nov/2016

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

The northeast monsoon affected the coastal areas of Guangdong yesterday. Locally, it was cloudy with a few rain patches at first. The weather was rather cool in the morning. The minimum temperature recorded at the Observatory was 12.8 degrees, the lowest so far autumn this year. It was dry with sunny periods in the afternoon. The relative humidity over many places fell to 70 per cent or below. The northeast monsoon is expected to continue to bring cool weather to the south China coastal areas in the next few days.

Severe Tropical Storm Tokage has weakened into a tropical storm. At 1 a.m., Tokage was centred about 460 kilometres south-southeast of Dongsha. It is forecast to move slowly at first, and move west-southwest later at about 14 kilometres per hour across the central part of the South China Sea and weaken gradually.

Weather forecast for Hong Kong

Cloudy periods at first. It will be cool. The minimum temperature will be around 15 degrees in the urban areas, and a couple of degrees lower in the New Territories. Mainly fine during the day with a maximum temperature of about 20 degrees. Moderate to fresh northeasterly winds, occasionally strong offshore later.

Outlook : Cloudier with a few rain patches in the following couple of days.


(The above forecast period is valid up to 23:59 HKT today, 28/11/2016; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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MARINE FORECAST
Traditional Chinese Simplified Chinese

Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 27/Nov/2016

STORM WARNING AREA: SCARBOROUGH.
GALE WARNING AREAS: KWANGTUNG, TAIWAN STRAIT, BASHI, PRATAS, BALINTANG AND PARACEL.

GENERAL SITUATION AT 270900 UTC:
AN INTENSE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS. FOR DETAILS ON SEVERE TROPICAL STORM TOKAGE (1625), PLEASE REFER TO THE 3-HRLY SHIPPING WARNINGS.

MARINE FORECAST FOR 24 HOURS FROM 271300 UTC:

HONG KONG= NE 5-6, OCNL 7. CLD. SEA 3 M. SWELL NE 2 M. TEMP 14-20 C. =
KWANGTUNG= NE 7-8. CLD. SEA 4-6 M. SWELL NE 2-3 M. =
TAIWAN STRAIT= N TO NE 7-8, OCNL 9. RAIN PATCHES. SEA 6 M. SWELL NE 2-3 M. =
BASHI= NE 8-9. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 6-8 M. SWELL E TO NE 3-5 M. =
PRATAS= NE 8-9. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 6-8 M. SWELL NE 3-5 M. =
BALINTANG= NE 8-9. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 6-8 M. SWELL NE 3-5 M. =
SCARBOROUGH= CYCLONIC 9-10. DOWN TO 1000 M IN SCT HEAVY SQUALLY SHOWERS AND TS. SEA 8-10 M. SWELL NE 5 M. =
PARACEL= N TO NE 7-8. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 4-6 M. SWELL NE 3-5 M. =
TONKIN= N TO NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL N TO NE 2 M. =
DANANG= N TO NE 6-7. ISOL SHOWERS AND TS. SEA 3-4 M. SWELL NE 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 01:25 HKT 28/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 1:25 a.m. on 28 November 2016

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

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

    Severe Tropical Storm Tokage has weakened into a tropical storm. At 1 a.m., Tokage with maximum sustained winds of about 85 kilometres per hour near its centre was located at 16.7 degrees north, 118.1 degrees east. It is forecast to move slowly at first, and move west-southwest later at about 14 kilometres per hour across the central part of the South China Sea and weaken gradually.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    Northeast force 5 to 6, occasionally force 7.
    Moderate to rough seas.

    Nan'ao, Shanwei and South of Hong Kong:
    Northeast force 7 to 8.
    Rough to very rough seas.

    Shangchuan Dao:
    North to northeast force 6 to 7, occasionally force 8.
    Rough to very rough seas.

    Outlook for the next 48 hours
    North to northeasterly winds of force 7 to 8.

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

    Waglan Island Wind north force 4
      Visibility 25 Kilometres

    Shantou Wind calm
      Visibility 15 Kilometres

    Dongsha Wind northeast force 5
      Visibility 9 Kilometres

    Huangmaozhou Wind northeast force 5

    Macau Wind north-northeast force 3
      Visibility 21 Kilometres

    Xisha Wind northeast force 3
      Visibility 5000 Metres in mist

  • 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 01:30 HKT 28/NOV/2016
    (Next update at 9:00-9:30 HKT 28/NOV/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 THE COASTAL
     AREAS OF GUANGDONG.
     SEVERE TROPICAL STORM TOKAGE HAS WEAKENED INTO A
     TROPICAL STORM. 
     AT 1 A.M., TOKAGE WAS CENTRED NEAR 16.7 DEGREES
     NORTH, 118.1 DEGREES EAST. IT IS FORECAST TO
     MOVE SLOWLY AT FIRST, AND MOVE WEST-SOUTHWEST
     LATER AT ABOUT 8 KNOTS ACROSS THE CENTRAL PART
     OF THE SOUTH CHINA SEA AND WEAKEN GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  040/10
       OFFSHORE:  040/20-25                            14-22
   B.   2000 FT:  070/15-20                            13
   C.   5000 FT:  090/15-20                            12
   D.  10000 FT:  070/10                               10
   E.  18000 FT:  300/25                               MS6
   F.  24000 FT:  250/50                               MS15
   G.  30000 FT:  250/55                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      4200-4800 FT.
   I. WEATHER       : 
      CLOUDY PERIODS OVERNIGHT. MAINLY FINE DURING
      THE DAY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT SCT 3500 FT.
   K. VISIBILITY    : 9 KM.
   L. 0 DEG. C LEVEL: 15500 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND  NEAR HILLS
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 22 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHEASTERLY WINDS,
     OCCASIONALLY STRONG OFFSHORE. MAINLY FINE.=

    ===================================================================
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
    Traditional Chinese Simplified Chinese

    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 13:10 HKT on 26 Nov 16

    VHHK SIGMET 1 VALID 260110/260510 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1854 E11200 - N1930 E11130 - N2012 E11130 - N2036 E11230 - N1912 E11230 - N1854 E11200 TOP FL420 MOV S 10KT NC= VHHK SIGMET 2 VALID 260510/260910 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1754 E11254 - N1924 E11136 - N2000 E11236 - N1754 E11254 TOP FL420 MOV SSE 15KT 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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    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 00:30 HKT 28/Nov/2016


    Tropical Cyclone Warning

    Severe Tropical Storm Tokage (1625) has weakened into a Tropical Storm with central pressure 988 hectopascals. At 271500 UTC, it was centred within 60 nautical miles of one six point seven degrees north (16.7 N) one one eight point two degrees east (118.2 E) and is forecast to move slowly at first and move west-southwest at about 8 knots later for the next 24 hours.

    Maximum winds near the centre are estimated to be 45 knots.

    Radius of over 33 knot winds 60 nautical miles.
    Radius of over 2 metre waves 120 nautical miles.

    Forecast position and intensity at 281500 UTC
    One five point seven degrees north (15.7 N)
    One one five point one degrees east (115.1 E)
    Maximum winds 35 knots.

    Forecast position and intensity at 291500 UTC
    Dissipated over sea.



    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 28/Nov/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     19.9 C
Minimum Air Temperature                     12.8 C
Grass Minimum Temperature                   14.3 C
Relative Humidity                        67 - 96 Percent
Rainfall                                     8.6 mm 
Total rainfall since 1st January          3020.2 mm
Against an average of                     2368.2 mm

Other Stations                Min                  Max
King's Park                  12.0 C               20.1 C
Wong Chuk Hang               12.7 C               21.5 C
Ta Kwu Ling                  10.6 C               19.2 C
Lau Fau Shan                 11.0 C               20.0 C
Tai Po                       10.7 C               18.6 C
Sha Tin                      11.1 C               19.6 C
Tuen Mun                     11.4 C               20.2 C
Tseung Kwan O                12.2 C               21.2 C
Sai Kung                     11.8 C               19.0 C
Cheung Chau                  11.9 C               21.1 C
Chek Lap Kok                 12.4 C               21.1 C
Tsing Yi                     12.1 C               22.1 C
Shek Kong                    11.0 C               19.7 C
Tsuen Wan Ho Koon            10.6 C               18.7 C
Tsuen Wan Shing Mun Valley   12.0 C               22.6 C
Hong Kong Park               12.6 C               20.5 C
Shau Kei Wan                 12.4 C               21.8 C
Kowloon City                 11.5 C               20.1 C
Happy Valley                 13.2 C               22.7 C
Wong Tai Sin                 11.5 C               20.8 C
Stanley                      13.2 C               22.1 C
Kwun Tong                    12.6 C               22.7 C
Sham Shui Po                 11.8 C               21.1 C
Kai Tak Runway Park          12.6 C               22.2 C
Yuen Long Park               11.0 C               20.7 C

Duration of sunshine (King's Park):              5.6 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 7.
Sea surface temperature (Waglan Island):        24.2 C 

Yesterday's (27 Nov 2016) 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                           0.08
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                          0.10
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 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 27 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <28 Nov 2016> 

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