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

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Weather Information for South China Coastal Waters

Bulletin issued at 18:02 HKT 26/Nov/2016

At 6 p.m. at the Hong Kong Observatory the air temperature was 15 degrees Celsius and the relative humidity 96 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.0. The intensity of UV radiation was low.

An area of intense rain over the waters south of Hong Kong is moving northwards gradually, and is expected to affect the territory in the next couple of hours. Members of the public should be on the alert.

Please be reminded that:

The Strong Monsoon Signal has been issued.

The air temperatures at other places were:

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

Between 4:45 and 5:45 p.m., the rainfall recorded in various regions were:

Sai Kung 2 to 25 mm;
Southern District 0 to 16 mm;
Eastern District 3 to 12 mm;
Kwun Tong 8 to 12 mm;
Wan Chai 8 to 11 mm;
Central & Western District 0 to 9 mm;
Sha Tin 1 to 9 mm;
Islands District 0 to 9 mm;
Wong Tai Sin 3 to 7 mm;
Kowloon City 0 to 6 mm;
Tai Po 0 to 4 mm;
Yau Tsim Mong 2 to 3 mm;
Sham Shui Po 0 to 3 mm;
North District 0 to 3 mm;
Yuen Long 0 to 1 mm;
Tsuen Wan 0 to 1 mm;
Kwai Tsing 0 to 1 mm.

Here is the information on Severe Tropical Storm Tokage at 4 p.m.:
Location: 14.0 degrees north, 117.7 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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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 26/Nov/2016

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

An intense northeast monsoon is bringing cool weather to the coastal areas of Guangdong. Locally, temperatures over most parts of the territory in the afternoon were six to seven degrees lower than those of yesterday.

At 4 p.m., Severe Tropical Storm Tokage was centred about 750 kilometres south of Dongsha. It is forecast to move north-northwest at about 14 kilometres per hour across the central part of the South China Sea.

Weather forecast for tonight and tomorrow

Cloudy with occasional rain. Rain will ease off gradually tomorrow morning. It will be rather cool. The minimum temperature will be around 14 degrees in the urban areas, and a couple of degrees lower in the New Territories. Sunny intervals during the day tomorrow 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, 27/11/2016; 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
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    • 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 16:30 HKT 26/Nov/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 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 4 p.m., Severe Tropical Storm Tokage with maximum sustained winds of about 90 kilometres per hour near its centre was located at 14.0 degrees north, 117.7 degrees east. It is forecast to move north-northwest at about 14 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 at first.
    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 13 Kilometres

    Shantou Wind west-northwest force 2
      Visibility 3000 Metres in showers

    Dongsha Wind east-northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind north-northwest force 6

    Macau Wind north-northwest force 4
      Visibility 26 Kilometres

    Xisha Wind north-northeast force 2
      Visibility 16 Kilometres

  • Explanation of Seas or Sea Waves
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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

    Tropical Cyclone Warning |  Track and Positions of Tropical Cyclones
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    Severe Weather Information Centre

    Bulletin issued at 18:30 HKT 26/Nov/2016


    Tropical Cyclone Warning

    At 260900 UTC, Severe Tropical Storm Tokage (1625) with central pressure 984 hectopascals was centred within 60 nautical miles of one four point two degrees north (14.2 N) one one seven point five degrees east (117.5 E) and is forecast to move north or 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 270900 UTC
    One six point zero degrees north (16.0 N)
    One one seven point eight degrees east (117.8 E)
    Maximum winds 50 knots.

    Forecast position and intensity at 280900 UTC
    One six point zero degrees north (16.0 N)
    One one six point four degrees east (116.4 E)
    Maximum winds 40 knots.

    Forecast position and intensity at 290900 UTC
    One four point four degrees north (14.4 N)
    One one one point nine degrees east (111.9 E)
    Maximum winds 25 knots.

    Forecast position and intensity at 300900 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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