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Bulletin issued at 00:02 HKT 27/Nov/2016

At midnight at the Hong Kong Observatory the air temperature was 13 degrees Celsius and the relative humidity 96 per cent.

Please be reminded that:

The Strong Monsoon Signal has been issued.

The air temperatures at other places were:

King's Park 12 degrees;
Wong Chuk Hang 13 degrees;
Ta Kwu Ling 11 degrees;
Lau Fau Shan 11 degrees;
Tai Po 11 degrees;
Sha Tin 12 degrees;
Tuen Mun 12 degrees;
Tseung Kwan O 13 degrees;
Sai Kung 12 degrees;
Cheung Chau 12 degrees;
Chek Lap Kok 13 degrees;
Tsing Yi 13 degrees;
Shek Kong 11 degrees;
Tsuen Wan Ho Koon 11 degrees;
Tsuen Wan Shing Mun Valley 13 degrees;
Hong Kong Park 13 degrees;
Shau Kei Wan 13 degrees;
Kowloon City 12 degrees;
Happy Valley 14 degrees;
Wong Tai Sin 12 degrees;
Stanley 14 degrees;
Kwun Tong 13 degrees;
Sham Shui Po 13 degrees;
Kai Tak Runway Park 13 degrees;
Yuen Long Park 11 degrees.

Between 10:45 and 11:45 p.m., the rainfall recorded in various regions were:

Islands District 0 to 8 mm;
Sai Kung 2 to 7 mm;
Yau Tsim Mong 3 to 5 mm;
Wan Chai 4 to 5 mm;
North District 2 to 5 mm;
Wong Tai Sin 3 to 5 mm;
Kowloon City 3 to 5 mm;
Southern District 2 to 5 mm;
Eastern District 3 to 4 mm;
Central & Western District 0 to 4 mm;
Tuen Mun 2 to 4 mm;
Sha Tin 2 to 4 mm;
Yuen Long 0 to 4 mm;
Tai Po 1 to 4 mm;
Kwun Tong 4 mm;
Sham Shui Po 2 to 3 mm;
Kwai Tsing 1 to 2 mm;
Tsuen Wan 0 to 2 mm.

Here is the information on Severe Tropical Storm Tokage at 11:00 p.m. yesterday:
Location: 14.7 degrees north, 117.2 degrees east.


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


Climatological Information for 27 Nov

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
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Bulletin updated at 00:10 HKT 27/Nov/2016

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

A replenishment of the northeast monsoon reached the coast of Guangdong yesterday morning. Locally, it was cloudy with occasional rain yesterday. The weather became appreciably cool. Temperatures over most parts of the territory in the afternoon were 6 to 7 degrees lower than those of the day before. More than 20 millimetres of rainfall were recorded over most parts of the territory yesterday, rainfall even exceeded 40 millimetres at Hong Kong Island west, Sha Tin and Tai Po. The minimum temperature recorded at the observatory last night was 13.3 degrees, the lowest so far since autumn this year. The northeast monsoon is expected to bring cool weather to the south China coastal areas in the next few days.

Tokage intensified into a severe tropical storm yesterday. At 11 p.m. last night, Tokage was centred about 660 kilometres south of Dongsha. It is forecast to move north at about 12 kilometres per hour across the central part of the South China Sea.

Weather forecast for Hong Kong (Sunday, 27 Nov 2016)

Cloudy. Occasional rain at first. Rain will ease off gradually. It will be rather cool. The minimum temperature will be around 13 degrees in the urban areas, and a couple of degrees lower in the New Territories. Sunny intervals during the day with a maximum temperature of about 18 degrees. Moderate to fresh northerly winds, strong offshore and on high ground at first.

Outlook : Mainly fine on Monday. Cloudier in the following couple of days.


(The above forecast period is valid up to 23:59 HKT tomorrow, 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 26/Nov/2016

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

GENERAL SITUATION AT 260900 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 261300 UTC:

HONG KONG= N 6-7, OCNL 8. ISOL SHOWERS AND TS. SEA UP TO 6 M. SWELL NE 2 M, 3 M LATER. TEMP 13-18 C. =
KWANGTUNG= N TO NE 7-8. ISOL SHOWERS AND TS. SEA 4-6 M. SWELL NE 3 M. =
TAIWAN STRAIT= N TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 2-3 M. =
BASHI= E TO NE 7-8. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS LATER. SEA 4-6 M. SWELL E TO NE 3-5 M. =
PRATAS= N TO NE 7-8. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 4-6 M. SWELL NE 3-5 M. =
BALINTANG= E TO NE 7-8. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 4-6 M. SWELL E TO NE 3-5 M. =
SCARBOROUGH= NE 7-8, BEC CYCLONIC 9-10. DOWN TO 1000 M IN SCT HEAVY SQUALLY SHOWERS AND TS. SEA 4-6 M, BEC 8-10 M. SWELL NE 3-5 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 7-8. RAIN PATCHES. SEA 4-6 M. SWELL N TO NE 2-3 M. =
DANANG= N TO NE 7-8. ISOL SHOWERS AND TS. SEA 4-6 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

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    9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

    Bulletin issued at 23:30 HKT 26/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 26 November 2016

    Warnings:
    Gale force winds in all areas.

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

    At 11 p.m., Severe Tropical Storm Tokage with maximum sustained winds of about 90 kilometres per hour near its centre was located at 14.7 degrees north, 117.2 degrees east. It is forecast to move north at about 12 kilometres per hour across the central part of the South China Sea.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    North force 6 to 7, occasionally force 8.
    Isolated showers and thunderstorms.
    Rough to very rough seas.

    Nan'ao:
    North to northeast force 7 to 8.
    Rough to very rough seas.

    Shanwei, South of Hong Kong and Shangchuan Dao:
    North to northeast force 7 to 8.
    Isolated showers and thunderstorms.
    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 5
      Visibility 2500 Metres

    Shantou Wind west-northwest force 2
      Visibility 2200 Metres in showers

    Dongsha Wind east-northeast force 3
      Visibility 9 Kilometres

    Huangmaozhou Wind north force 5

    Macau Wind north force 4
      Visibility 8 Kilometres

    Xisha Wind north-northeast force 4
      Visibility 12 Kilometres

  • Explanation of Seas or Sea Waves
  • Explanation of Swells
  • Descriptive Terms of Wind Speeds
  • Visibility Readings in Hong Kong Waters
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    • WEATHER FORECAST FOR LOCAL AVIATION
    Traditional Chinese Simplified Chinese

    Weather Forecast for Local Aviation

    Bulletin issued at 17:30 HKT 26/NOV/2016
    (Next update at 01:30 HKT 27/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. AT 4 P.M., SEVERE TROPICAL STORM TOKAGE WAS
     CENTRED NEAR 14.0 DEGREES NORTH, 117.7 DEGREES EAST.
     IT IS FORECAST TO MOVE NORTHWEST AT ABOUT 10 KNOTS ACROSS
     THE CENTRAL PART OF THE SOUTH CHINA SEA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  360/15-20
       OFFSHORE:  360/20-25                            15-12
   B.   2000 FT:  030/25-30                            12
   C.   5000 FT:  120/20                               15
   D.  10000 FT:  180/15                               9
   E.  18000 FT:  240/20                               MS6
   F.  24000 FT:  250/35                               MS15
   G.  30000 FT:  260/50                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1000 - 4000 FT
   I. WEATHER       : 
      CLOUDY WITH OCCASIONAL RAIN.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT  SCT 2000 FT.
   K. VISIBILITY    : 9 KM. TEMPO 3000 M IN RAIN.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 8400 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 24 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHERLY WINDS, OCCASIONALLY STRONG 
     OFFSHORE. MAINLY CLOUDY. SUNNY INTERVALS 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 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

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    Severe Weather Information Centre

    Bulletin issued at 00:30 HKT 27/Nov/2016


    Tropical Cyclone Warning

    At 261500 UTC, Severe Tropical Storm Tokage (1625) with central pressure 984 hectopascals was centred within 60 nautical miles of one four point eight degrees north (14.8 N) one one seven point three degrees east (117.3 E) and is forecast to move north at about 6 knots for the next 24 hours.

    Maximum winds near the centre are estimated to be 50 knots.

    Radius of over 33 knot winds 90 nautical miles.
    Radius of over 47 knot winds 30 nautical miles.
    Radius of over 2 metre waves 150 nautical miles.

    Forecast position and intensity at 271500 UTC
    One six point three degrees north (16.3 N)
    One one eight point zero degrees east (118.0 E)
    Maximum winds 50 knots.

    Forecast position and intensity at 281500 UTC
    One five point six degrees north (15.6 N)
    One one five point two degrees east (115.2 E)
    Maximum winds 40 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 27/Nov/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     21.1 C
Minimum Air Temperature                     13.3 C
Grass Minimum Temperature                   14.4 C
Relative Humidity                        81 - 99 Percent
Rainfall                                    50.3 mm 
Total rainfall since 1st January          3011.6 mm
Against an average of                     2367.5 mm

Other Stations                Min                  Max
King's Park                  12.3 C               20.7 C
Wong Chuk Hang               13.4 C               21.0 C
Ta Kwu Ling                  10.8 C               17.0 C
Lau Fau Shan                 11.4 C               17.9 C
Tai Po                       11.0 C               18.1 C
Sha Tin                      11.7 C               20.0 C
Tuen Mun                     11.9 C               18.6 C
Tseung Kwan O                12.6 C               20.4 C
Sai Kung                     12.3 C               20.7 C
Cheung Chau                  12.3 C               20.9 C
Chek Lap Kok                 12.7 C               20.6 C
Tsing Yi                     12.6 C               21.3 C
Shek Kong                    11.3 C               18.0 C
Tsuen Wan Ho Koon            10.9 C               19.8 C
Tsuen Wan Shing Mun Valley   12.6 C               20.8 C
Hong Kong Park               13.2 C               21.1 C
Shau Kei Wan                 13.0 C               21.0 C
Kowloon City                 11.8 C               20.3 C
Happy Valley                 13.9 C               21.8 C
Wong Tai Sin                 12.0 C               21.0 C
Stanley                      13.8 C               21.8 C
Kwun Tong                    12.9 C               21.0 C
Sham Shui Po                 13.1 C               20.9 C
Kai Tak Runway Park          13.3 C               21.6 C
Yuen Long Park               11.4 C               18.0 C

Duration of sunshine (King's Park):              0 H
The mean UV index recorded at King's Park yesterday was 0.8,
the UV intensity was Low.
The maximum UV index for yesterday was 3.
Sea surface temperature (Waglan Island):        24.3 C 

Yesterday's (26 Nov 2016) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.09 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                           0.09
Tap Mun                             0.09
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.12
Sha Tau Kok                         0.11
Kwun Tong                           0.12
Sai Wan Ho                          0.10
King's Park                         0.15
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 26 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <27 Nov 2016> 

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