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

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Bulletin issued at 09:02 HKT 30/Dec/2016

At 9 a.m. at the Hong Kong Observatory the air temperature was 15 degrees Celsius and the relative humidity 54 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.3. The intensity of UV radiation was low.

Please be reminded that:

The Fire Danger Warning is Red and the fire risk is extreme.

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 14 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 14 degrees;
Tsuen Wan Ho Koon 13 degrees;
Tsuen Wan Shing Mun Valley 14 degrees;
Shau Kei Wan 15 degrees;
Kowloon City 14 degrees;
Happy Valley 16 degrees;
Wong Tai Sin 15 degrees;
Stanley 15 degrees;
Kwun Tong 15 degrees;
Sham Shui Po 15 degrees;
Kai Tak Runway Park 16 degrees;
Yuen Long Park 14 degrees.

Between midnight and 9 a.m. the minimum temperature was 14.8 degrees Celsius at the Hong Kong Observatory.


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


Climatological Information for 30 Dec

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 08:45 HKT 30/Dec/2016

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

The winter monsoon is bringing dry weather to southern China. Locally, the relative humidity over the territory was generally below 60 per cent this morning.

Weather forecast for today

It will be dry. Cool with cloudy periods in the morning. Mainly fine in the afternoon with a maximum temperature of about 19 degrees. Moderate northeasterly winds.

Outlook : Temperatures rising over the New Year's Eve and the New Year holidays. Mild midweek next week.


(The above forecast period is valid up to 23:59 HKT today, 30/12/2016; 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
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 30/Dec/2016

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

GENERAL SITUATION AT 292100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 300100 UTC:

HONG KONG= NE 5-6, OCNL 7. CLD. SEA 3 M. SWELL NE 2 M. TEMP 19-16 C. =
KWANGTUNG= NE 6-7, OCNL 8. CLD. SEA 3-5 M. SWELL NE 3 M. =
TAIWAN STRAIT= NE 7-8. CLD. SEA 4-6 M. SWELL NE 3-4 M. =
BASHI= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3-4 M. =
PRATAS= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3-4 M. =
BALINTANG= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3-4 M. =
SCARBOROUGH= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3-4 M. =
PARACEL= NE 7-8. ISOL SHOWERS. SEA 4-6 M. SWELL NE 3-4 M. =
TONKIN= NE 5-6. CLD. SEA 2-3 M. =
DANANG= N TO NE 6-7, OCNL 8. ISOL SHOWERS. SEA 3-5 M. SWELL NE 3-4 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 09:30 HKT 30/Dec/2016

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 30 December 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:
    The northeast monsoon is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

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

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

    Shanwei, South of Hong Kong and Shangchuan Dao:
    Northeast force 6 to 7, occasionally force 8.
    Rough to very rough seas.

    Outlook for the next 48 hours
    Northeasterly winds of force 6 to 7, up to force 8 at first.

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

    Waglan Island Wind north force 4
      Visibility 17 Kilometres

    Shantou Wind east-southeast force 1
      Visibility 15 Kilometres

    Huangmaozhou Wind north-northeast force 5

    Macau Wind north force 3
      Visibility 11 Kilometres

    Xisha Wind east-northeast force 3
      Visibility 18 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
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    Weather Forecast for Local Aviation

    Bulletin issued at 09:00 HKT 30/DEC/2016
    (Next update at 17:30 HKT 30/DEC/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 SOUTH
     CHINA COASTAL AREAS.

III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  040/10
       OFFSHORE:  040/15-20, OCNL 25                   15-21
   B.   2000 FT:  060/15-20, OCNL 25                   12
   C.   5000 FT:  120/10                               12
   D.  10000 FT:  200/15                               5
   E.  18000 FT:  260/30                               MS5
   F.  24000 FT:  250/50                               MS17
   G.  30000 FT:  240/65                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3000 - 4600 FT.
   I. WEATHER       : 
      CLOUDY PERIODS IN THE MORNING.  MAINLY FINE IN
      THE AFTERNOON.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 4000 FT  SCT 10000 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 14500 FT
      10 DEG. C LEVEL(S) : 3000, 7000 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.5 M     SEA TEMPERATURE    : 20 DEG

IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHEASTERLY WINDS.  MAINLY
     CLOUDY.=

    ===================================================================
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 06:53 HKT on 30 Dec 16

    VHHK SIGMET 1 VALID 292253/300250 VHHH- VHHK HONG KONG FIR SEV ICE FCST NW OF LINE N2212 E11730 - N1830 E11224 FL240/300 STNR 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

    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 30/Dec/2016 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     17.9 C
Minimum Air Temperature                     13.9 C
Grass Minimum Temperature                   13.9 C
Relative Humidity                        47 - 61 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          3026.8 mm
Against an average of                     2393.9 mm

Other Stations                Min                  Max
King's Park                  13.0 C               17.9 C
Wong Chuk Hang               13.7 C               20.0 C
Ta Kwu Ling                  12.2 C               17.8 C
Lau Fau Shan                 12.4 C               18.0 C
Tai Po                       12.2 C               17.3 C
Sha Tin                      13.0 C               17.4 C
Tuen Mun                     13.2 C               18.1 C
Tseung Kwan O                12.8 C               19.4 C
Sai Kung                     12.8 C               16.8 C
Cheung Chau                  12.7 C               19.5 C
Chek Lap Kok                 14.0 C               19.1 C
Tsing Yi                     13.6 C               18.8 C
Shek Kong                    12.5 C               17.7 C
Tsuen Wan Ho Koon            11.2 C               16.7 C
Tsuen Wan Shing Mun Valley   12.0 C               19.6 C
Shau Kei Wan                 13.2 C               20.6 C
Kowloon City                 12.6 C               18.2 C
Happy Valley                 14.5 C               20.8 C
Wong Tai Sin                 13.7 C               18.6 C
Stanley                      14.1 C               18.9 C
Kwun Tong                    12.9 C               19.6 C
Sham Shui Po                 13.6 C               20.0 C
Kai Tak Runway Park          14.3 C               19.2 C
Yuen Long Park               12.6 C               18.5 C

Duration of sunshine (King's Park):              3.7 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 5.
Sea surface temperature (Waglan Island):        20.6 C 

Yesterday's (29 Dec 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                          0.10
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 29 Dec
     2003copy right image | Important notices | Privacy policy Last revision date: <30 Dec 2016> 

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