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

Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 16:02 HKT 26/Sep/2016

At 4 p.m. at the Hong Kong Observatory the air temperature was 30 degrees Celsius and the relative humidity 77 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.8. The intensity of UV radiation was low.

Hot weather might cause adverse health effects. The Observatory advises the public to stay on the alert.

The air temperatures at other places were:

King's Park 30 degrees;
Wong Chuk Hang 29 degrees;
Ta Kwu Ling 31 degrees;
Lau Fau Shan 31 degrees;
Tai Po 30 degrees;
Sha Tin 29 degrees;
Tuen Mun 31 degrees;
Tseung Kwan O 29 degrees;
Sai Kung 30 degrees;
Cheung Chau 30 degrees;
Chek Lap Kok 32 degrees;
Tsing Yi 29 degrees;
Shek Kong 32 degrees;
Tsuen Wan Ho Koon 29 degrees;
Tsuen Wan Shing Mun Valley 29 degrees;
Hong Kong Park 29 degrees;
Shau Kei Wan 28 degrees;
Kowloon City 29 degrees;
Happy Valley 30 degrees;
Wong Tai Sin 29 degrees;
Stanley 29 degrees;
Kwun Tong 29 degrees;
Sham Shui Po 29 degrees;
Kai Tak Runway Park 29 degrees;
Yuen Long Park 33 degrees.

Between 2:45 and 3:45 p.m., the rainfall recorded in various regions were:

Sha Tin 0 to 2 mm.


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


Climatological Information for 26 Sep

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 16:25 HKT 26/Sep/2016

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

The subsidence airstream associated with Tropical Cyclone Megi is affecting the coast of southeastern China gradually.

At 4 p.m., Severe Typhoon Megi was centred about 590 kilometres east of Gaoxiong. It is forecast to move west-northwest at about 22 kilometres per hour towards Taiwan.

Weather forecast for tonight and tomorrow

Mainly cloudy with haze and isolated showers. The minimum temperature will be about 27 degrees. Very hot with sunny periods tomorrow. The maximum temperature will be around 33 degrees in the urban areas, and a couple of degrees higher in the New Territories. Light winds, becoming moderate north to northwesterly winds. Fresh at times.

Outlook : Becoming cloudy with showers in the following couple of days.


(The above forecast period is valid up to 23:59 HKT tomorrow, 27/09/2016; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Information on Tropical Cyclones

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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/Sep/2016

HURRICANE WARNING AREA: BASHI.
STORM WARNING AREA: BALINTANG.
GALE WARNING AREA: TAIWAN STRAIT.

GENERAL SITUATION AT 252100 UTC:
TYPHOON MEGI (1617) 955 HPA 21N 128E WNW 12 KT INTSF.

MARINE FORECAST FOR 24 HOURS FROM 260100 UTC:

HONG KONG= E 4-5, BEC N TO NW 4-5. ISOL SHOWERS. SEA UP TO 2 M. TEMP 32-27 C. =
KWANGTUNG= E TO NE 4-5, BEC N TO NW 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE 2 M. =
TAIWAN STRAIT= N TO NE 6-7, 8 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS LATER. SEA 3-6 M. SWELL NE 2 M. =
BASHI= N TO NE 7-8, UP TO 12 LATER. DOWN TO 500 M IN FRQ HEAVY SQUALLY SHOWERS AND TS. SEA 4-6 M, UP TO 14 M LATER. SWELL E TO NE 2 M, 3-4 M LATER. =
PRATAS= NE 4-5, N 5-6 LATER. ISOL SHOWERS AND TS. SEA 2 M, UP TO 3 M LATER. SWELL E TO NE 2 M. =
BALINTANG= N TO NW 7-8, 10-11 LATER. DOWN TO 500 M IN FRQ HEAVY SQUALLY SHOWERS AND TS. SEA 4-6 M, UP TO 12 M LATER. SWELL E TO NE 2 M, 3-4 M LATER. =
SCARBOROUGH= N TO NE 5-6, NW 5-6 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL NE 2 M. =
PARACEL= E TO NE 4-5, N TO NW 4-5 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 2 M. SWELL NE UP TO 2 M. =
TONKIN= E 4, N TO NW 4 LATER. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= N TO NE 4-5, NW 4-5 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 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 16:30 HKT 26/Sep/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 26 September 2016

    Warnings:
    Gale force winds in Nan'ao. Strong winds in Shanwei and south of Hong Kong.

    Weather Situation:
    At 4 p.m., Severe Typhoon Megi with maximum sustained winds of about 155 kilometres per hour near its centre was located at 21.6 degrees north, 125.9 degrees east, it is forecast to move west-northwest at about 22 kilometres per hour towards Taiwan.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    North to northwest force 4 to 5.
    Some haze and isolated showers.
    Moderate seas.

    Nan'ao:
    North to northwest force 6 to 7, up to force 9 tomorrow.
    Frequent squally showers and thunderstorms later.
    Rough seas, becoming very rough to high tomorrow.

    Shanwei:
    North to northwest force 5 to 6, force 7 later.
    Occasional squally showers and thunderstorms later.
    Moderate to rough seas.

    South of Hong Kong:
    North to northwest force 4 to 5, up to force 6 tomorrow.
    Isolated squally showers and thunderstorms later.
    Moderate seas, becoming rough tomorrow.

    Shangchuan Dao:
    North to northwest force 4 to 5.
    Moderate seas.

    Outlook for the next 48 hours
    West to northwesterly winds of force 6 to 7, cyclonic winds of force 11 to 12 in east. Occasional heavy squally showers and thunderstorms.

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

    Waglan Island Wind southwest force 3
      Visibility 9 Kilometres

    Shantou Wind south-southeast force 2
      Visibility 26 Kilometres

    Dongsha Wind north force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind southwest force 2

    Macau Wind south force 2
      Visibility 7 Kilometres

    Xisha Wind north-northeast force 2
      Visibility 30 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
  • Tidal Information

    • WEATHER FORECAST FOR LOCAL AVIATION
    Traditional Chinese Simplified Chinese

    Weather Forecast for Local Aviation

    Bulletin issued at 09:00 HKT 26/SEP/2016
    (Next update at 17:30 HKT 26/SEP/2016)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A CONTINENTAL AIRSTREAM WILL GRADUALLY AFFECT
     THE COAST OF GUANGDONG TODAY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  320/5-10                             28-34
   B.   2000 FT:  350/10                               24
   C.   5000 FT:  060/15                               20
   D.  10000 FT:  010/15                               14
   E.  18000 FT:  050/15                               MS3
   F.  24000 FT:  050/20                               MS12
   G.  30000 FT:  070/20                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1800 - 2400 FT.
   I. WEATHER       : 
      MAINLY FINE APART FROM ISOLATED SHOWERS.
      LOCALIZED HAZE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3500 FT
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN SHOWER/HAZE.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 13000 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE WEST TO NORTHWESTERLY WINDS.
     MAINLY FINE APART FROM ISOLATED SHOWERS.
     LOCALIZED HAZE/MIST.=

    ===================================================================
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 17:33 HKT on 25 Sep 16

    VHHK SIGMET 3 VALID 250935/251335 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1900 E11554 - N1642 E11400 - N1824 E11230 - N1900 E11330 - N1900 E11554 MOV SW 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 Meranti broadcast by Ms LAM CHING CHI , Senior Scientific Officer of the Hong Kong Observatory at 6:15 p.m. on 14 Sep 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

    There is no tropical cyclone warning for shipping*.




    *Tropical cyclone warnings for shipping are issued by the Hong Kong Observatory for tropical cyclones located within the area bounded by 105E and 125E , 10N and 30N.




    For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.

    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/Sep/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     30.5 C
Minimum Air Temperature                     26.9 C
Grass Minimum Temperature                   26.1 C
Relative Humidity                        70 - 85 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          2263.8 mm
Against an average of                     2198.9 mm

Other Stations                Min                  Max
King's Park                  26.1 C               31.0 C
Wong Chuk Hang               26.3 C               31.1 C
Ta Kwu Ling                  25.6 C               33.5 C
Lau Fau Shan                 24.9 C               30.9 C
Tai Po                       26.2 C               30.9 C
Sha Tin                      26.1 C               32.1 C
Tuen Mun                     25.4 C               32.3 C
Tseung Kwan O                25.9 C               32.1 C
Sai Kung                     26.6 C               30.7 C
Cheung Chau                  26.0 C               29.6 C
Chek Lap Kok                 27.2 C               32.5 C
Tsing Yi                     26.3 C               31.3 C
Shek Kong                    24.7 C               32.9 C
Tsuen Wan Ho Koon            24.3 C               30.1 C
Tsuen Wan Shing Mun Valley   25.8 C               32.8 C
Hong Kong Park               26.5 C               31.4 C
Shau Kei Wan                 26.1 C               29.6 C
Kowloon City                 26.1 C               32.3 C
Happy Valley                 26.9 C               32.1 C
Wong Tai Sin                 26.1 C               32.0 C
Stanley                      26.7 C               30.5 C
Kwun Tong                    26.4 C               31.4 C
Sham Shui Po                 26.8 C               32.4 C
Kai Tak Runway Park          27.2 C               30.3 C
Yuen Long Park               24.6 C               33.4 C

Duration of sunshine (King's Park):              7.1 H
The mean UV index recorded at King's Park yesterday was 3,
the UV intensity was Moderate.
The maximum UV index for yesterday was 9.
Sea surface temperature (Waglan Island):        28.3 C 

Yesterday's (25 Sep 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                               0.09
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                        0.14

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 25 Sep
     2003copy right image | Important notices | Privacy policy Last revision date: <26 Sep 2016> 

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