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

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Bulletin issued at 15:02 HKT 26/Nov/2016

At 3 p.m. at the Hong Kong Observatory the air temperature was 17 degrees Celsius and the relative humidity 82 per cent.
During the past hour the mean UV Index recorded at King's Park was 1. The intensity of UV radiation was low.

Please be reminded that:

The Strong Monsoon Signal has been issued.

The air temperatures at other places were:

King's Park 16 degrees;
Wong Chuk Hang 16 degrees;
Ta Kwu Ling 13 degrees;
Lau Fau Shan 14 degrees;
Tai Po 14 degrees;
Sha Tin 15 degrees;
Tuen Mun 15 degrees;
Tseung Kwan O 15 degrees;
Sai Kung 16 degrees;
Cheung Chau 15 degrees;
Chek Lap Kok 15 degrees;
Tsing Yi 15 degrees;
Shek Kong 14 degrees;
Tsuen Wan Ho Koon 14 degrees;
Tsuen Wan Shing Mun Valley 16 degrees;
Hong Kong Park 16 degrees;
Shau Kei Wan 15 degrees;
Kowloon City 15 degrees;
Happy Valley 18 degrees;
Wong Tai Sin 15 degrees;
Stanley 16 degrees;
Kwun Tong 16 degrees;
Sham Shui Po 16 degrees;
Kai Tak Runway Park 16 degrees;
Yuen Long Park 15 degrees.

Between 1:45 and 2:45 p.m., the rainfall recorded in various regions were:

Southern District 0 to 4 mm;
Sai Kung 0 to 3 mm;
Islands District 0 to 2 mm;
North District 0 to 2 mm;
Central & Western District 0 to 2 mm;
Tai Po 0 to 2 mm;
Kwai Tsing 0 to 1 mm;
Eastern District 0 to 1 mm;
Sha Tin 0 to 1 mm;
Yuen Long 0 to 1 mm.

Here is the information on Severe Tropical Storm Tokage at noon:
Location: 13.6 degrees north, 118.0 degrees east.


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


Climatological Information for 26 Nov

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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

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Bulletin updated at 15:30 HKT 26/Nov/2016

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

The northeast monsoon is affecting the coastal areas of Guangdong and bringing rainy weather to the region. Locally, a few millimetres of rainfall were recorded over most parts of the territory in the afternoon.

Tropical Storm Tokage has intensified into a severe tropical storm. At noon, Tokage was centred about 790 kilometres south of Dongsha. It is forecast to move northwest at about 18 kilometres per hour across the central part of the South China Sea.

Weather forecast for this afternoon and tonight

Cloudy with occasional rain. It will be cool. Temperatures in the urban areas will fall to around 14 degrees tonight, and a couple of degrees lower in the New Territories. Moderate to fresh northerly winds, strong offshore and on high ground.

Outlook : Rather cool tomorrow morning. Becoming bright during the day. Mainly fine on Monday.


(The above forecast period is valid up to 23:59 HKT today, 26/11/2016; 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 09:00 HKT 26/Nov/2016

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

GENERAL SITUATION AT 252100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS. FOR DETAILS ON TROPICAL STORM TOKAGE (1625), PLEASE REFER TO THE 3-HRLY SHIPPING WARNINGS.

MARINE FORECAST FOR 24 HOURS FROM 260100 UTC:

HONG KONG= N 6-7. OCNL RAIN. SEA 3-4 M. TEMP 21-14 C. =
KWANGTUNG= N 6-7, 8 IN E. RAIN PATCHES. SEA 3-4 M, 6 M IN E. SWELL NE 2-3 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. RAIN PATCHES. SEA 4-6 M. SWELL NE 2-3 M. =
PRATAS= N TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 2-3 M. =
BALINTANG= E TO NE 7-8. ISOL SHOWERS. SEA 4-6 M. SWELL NE 2-3 M. =
SCARBOROUGH= NE 6-7, CYCLONIC 8 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS LATER. SEA 3-4 M, UP TO 6 M LATER. SWELL NE 2-3 M. =
PARACEL= N TO NE 6-7, OCNL 8 LATER. ISOL SHOWERS AND TS. SEA 4 M. SWELL NE 2-3 M. =
TONKIN= N OT NE 6-7, OCNL 8. RAIN PATCHES. SEA 3-6 M. SWELL N TO NE 2 M. =
DANANG= N TO NE 6-7. ISOL SHOWERS. 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 12:30 HKT 26/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 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.

    Tropical Storm Tokage has intensified into a severe tropical storm. At noon, Tokage with maximum sustained winds of about 90 kilometres per hour near its centre was located at 13.6 degrees north, 118.0 degrees east. It is forecast to move northwest at about 18 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.
    Occasional rain.
    Rough to very rough seas.

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

    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 6
      Visibility 37 Kilometres

    Shantou Wind east-northeast force 2
      Visibility 30 Kilometres

    Dongsha Wind east-northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind north-northwest force 7

    Macau Wind north force 4
      Visibility 16 Kilometres

    Xisha Wind north-northeast force 2
      Visibility 15 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
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    • WEATHER FORECAST FOR LOCAL AVIATION
    Traditional Chinese Simplified Chinese

    Weather Forecast for Local Aviation

    Bulletin issued at 13:50 HKT 26/NOV/2016
    (Next update at 17:30 HKT 26/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. TROPICAL STORM TOKAGE HAS INTENSIFIED INTO A
     SEVERE TROPICAL STORM. AT 12 P.M., TOKAGE WAS CENTRED NEAR
     13.6 DEGREES NORTH, 118.0 DEGREES EAST. IT IS FORECAST TO 
     MOVE NORTH-WEST AT ABOUT 10 KNOTS TOWARDS THE CENTRAL PART 
     OF THE SOUTH CHINA SEA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1400 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  360/15-20
       OFFSHORE:  360/20-25                            17-14
   B.   2000 FT:  020/25-30                            15
   C.   5000 FT:  120/25                               14
   D.  10000 FT:  200/20                               9
   E.  18000 FT:  250/30                               MS7
   F.  24000 FT:  250/40                               MS18
   G.  30000 FT:  260/50                               MS32
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1000 - 3500 FT
   I. WEATHER       : 
      CLOUDY WITH RAIN.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT  SCT 2000 FT.
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 8500 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, STRONG OFFSHORE.
     CLOUDY WITH OCCASIONAL 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 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 15:30 HKT 26/Nov/2016


    Tropical Cyclone Warning

    At 260600 UTC, Severe Tropical Storm Tokage (1625) with central pressure 984 hectopascals was centred within 60 nautical miles of one three point eight degrees north (13.8 N) one one seven point eight degrees east (117.8 E) and is forecast to move north-northwest at about 8 knots for the next 24 hours.

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

    Radius of over 33 knot winds 60 nautical miles.
    Radius of over 47 knot winds 30 nautical miles.
    Radius of over 2 metre waves 120 nautical miles.

    Forecast position and intensity at 270600 UTC
    One five point nine degrees north (15.9 N)
    One one seven point eight degrees east (117.8 E)
    Maximum winds 50 knots.

    Forecast position and intensity at 280600 UTC
    One six point one degrees north (16.1 N)
    One one six point eight degrees east (116.8 E)
    Maximum winds 40 knots.

    Forecast position and intensity at 290600 UTC
    One four point six degrees north (14.6 N)
    One one two point four degrees east (112.4 E)
    Maximum winds 25 knots.

    Forecast position and intensity at 300600 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 26/Nov/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     22.3 C
Minimum Air Temperature                     17.4 C
Grass Minimum Temperature                   18.3 C
Relative Humidity                        70 - 84 Percent
Rainfall                                     0.1 mm 
Total rainfall since 1st January          2961.3 mm
Against an average of                     2365.9 mm

Other Stations                Min                  Max
King's Park                  16.3 C               22.8 C
Wong Chuk Hang               17.4 C               22.5 C
Ta Kwu Ling                  12.6 C               19.7 C
Lau Fau Shan                 13.1 C               21.6 C
Tai Po                       13.8 C               20.5 C
Sha Tin                      15.3 C               21.2 C
Tuen Mun                     14.4 C               21.8 C
Tseung Kwan O                15.7 C               22.9 C
Sai Kung                     15.6 C               21.3 C
Cheung Chau                  15.7 C               21.1 C
Chek Lap Kok                 15.6 C               23.3 C
Tsing Yi                     16.9 C               23.6 C
Shek Kong                    13.5 C               21.2 C
Tsuen Wan Ho Koon            14.4 C               22.9 C
Tsuen Wan Shing Mun Valley   15.8 C               25.0 C
Hong Kong Park               17.0 C               22.9 C
Shau Kei Wan                 16.1 C               22.2 C
Kowloon City                 15.6 C               22.8 C
Happy Valley                 17.6 C               24.4 C
Wong Tai Sin                 16.3 C               23.8 C
Stanley                      17.5 C               22.8 C
Kwun Tong                    16.1 C               22.8 C
Sham Shui Po                 15.8 C               23.7 C
Kai Tak Runway Park          17.8 C               22.5 C
Yuen Long Park               13.5 C               21.6 C

Duration of sunshine (King's Park):              2.9 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 6.
Sea surface temperature (Waglan Island):        24.6 C 

Yesterday's (25 Nov 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                         0.12
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 25 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <26 Nov 2016> 

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