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Weather Information for South China Coastal Waters

Bulletin issued at 22:02 HKT 08/Feb/2017

At 10 p.m. at the Hong Kong Observatory the air temperature was 17 degrees Celsius and the relative humidity 81 per cent.

Please be reminded that:

The Strong Monsoon Signal has been issued.
The Cold Weather Warning is now in force. Cold weather might cause adverse health effects. Members of the public should take care to keep warm.

The air temperatures at other places were:

King's Park 17 degrees;
Wong Chuk Hang 17 degrees;
Ta Kwu Ling 15 degrees;
Lau Fau Shan 15 degrees;
Tai Po 17 degrees;
Sha Tin 17 degrees;
Tuen Mun 15 degrees;
Tseung Kwan O 16 degrees;
Sai Kung 16 degrees;
Cheung Chau 16 degrees;
Chek Lap Kok 15 degrees;
Tsing Yi 17 degrees;
Shek Kong 16 degrees;
Tsuen Wan Ho Koon 15 degrees;
Tsuen Wan Shing Mun Valley 17 degrees;
Hong Kong Park 17 degrees;
Shau Kei Wan 16 degrees;
Kowloon City 16 degrees;
Happy Valley 18 degrees;
Wong Tai Sin 17 degrees;
Stanley 17 degrees;
Kwun Tong 16 degrees;
Sham Shui Po 17 degrees;
Kai Tak Runway Park 17 degrees;
Yuen Long Park 15 degrees;
Tai Mei Tuk 16 degrees.

Between 8:45 and 9:45 p.m., the rainfall recorded in various regions were:

Islands District 0 to 1 mm;
Sha Tin 0 to 1 mm;
Yuen Long 0 to 1 mm.


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


Climatological Information for 8 Feb

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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UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 21:45 HKT 08/Feb/2017

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

A cold front is moving across the coastal areas of Guangdong.

Weather forecast for tonight and tomorrow

Becoming cold appreciably overnight with a few rain patches and relatively low visibility. The minimum temperature tomorrow morning will be about 12 degrees in the urban areas and a couple of degrees lower in the New Territories. Becoming fine and dry during the day with a maximum temperature of around 17 degrees. Moderate to fresh northerly winds, strong offshore at first.

Outlook : Fine and dry with cold mornings in the following couple of days. Temperature difference between day and night will be relatively large.


(The above forecast period is valid up to 23:59 HKT tomorrow, 09/02/2017; 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 08/Feb/2017

GALE WARNING AREA: TAIWAN STRAIT.

GENERAL SITUATION AT 080900 UTC:
COLD FRONT 22N 106E 26N 120E S 10KT.

MARINE FORECAST FOR 24 HOURS FROM 081300 UTC:

HONG KONG= N TO NE 5-6, OCNL 7. DOWN TO 4000 M IN MIST OR RAIN PATCHES AT FIRST. SEA 3 M. TEMP 12-17 C. =
KWANGTUNG= N TO NE 6-7. DOWN TO 4000 M IN MIST OR RAIN PATCHES AT FIRST. SEA 3-4 M. SWELL NE 2 M. =
TAIWAN STRAIT= N TO NE 6-7, UP TO 8 LATER. DOWN TO 4000 M IN MIST OR RAIN PATCHES AT FIRST. SEA 3-4 M, UP TO 6 M LATER. SWELL NE 2 M, UP TO 3 M LATER. =
BASHI= NE 5-6, N 6-7 LATER. RAIN PATCHES. SEA 2-3 M, UP TO 4 M LATER. SWELL NE 2 M. =
PRATAS= NE 4-5, N 6-7 LATER. RAIN PATCHES. SEA 2 M, 3-4 M LATER. SWELL NE 2 M. =
BALINTANG= NE 5-6, N 6-7 LATER. RAIN PATCHES. SEA 2-3 M, UP TO 4 M LATER. SWELL NE 2 M. =
SCARBOROUGH= NE 4-5, N 6-7 LATER. RAIN PATCHES. SEA 2 M, 3-4 M LATER. SWELL NE 2 M. =
PARACEL= E 4-5, N TO NE 6-7 LATER. RAIN PATCHES. SEA UP TO 2 M, 3-4 M LATER. SWELL NE 2 M. =
TONKIN= N TO NE 6-7. DOWN TO 4000 M IN MIST OR RAIN PATCHES AT FIRST. SEA 3-4 M. =
DANANG= E 4-5, N TO NE 6-7 LATER. RAIN PATCHES. SEA UP TO 2 M, 3-4 M LATER. 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 19:30 HKT 08/Feb/2017

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 08 February 2017

    Warnings:
    Strong winds in all areas.

    Weather Situation:
    A cold front is moving across the coastal areas of Guangdong. The associated northeast monsoon will gradually affect the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    North to northeast force 5 to 6, occasionally force 7.
    A few rain patches and relatively low visibility at first.
    Moderate to rough seas.

    Nan'ao, Shanwei, South of Hong Kong and Shangchuan Dao:
    North to northeast force 6 to 7.
    Rough seas.

    Outlook for the next 48 hours
    North to northeasterly winds of force 6 to 7.

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

    Waglan Island Wind northeast force 2
      Visibility 11 Kilometres

    Shantou Wind east-southeast force 1
      Visibility 30 Kilometres

    Dongsha Wind northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind north force 3

    Macau Wind north force 2
      Visibility 7 Kilometres

    Xisha Wind northeast force 2
      Visibility 12 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 17:30 HKT 08/FEB/2017
    (Next update at 01:30 HKT 09/FEB/2017)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A COLD FRONT IS GRADUALLY MOVING ACROSS THE
     COASTAL AREAS OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10-15
                  BEC 020/10-15
       OFFSHORE:  080/15-20, OCNL 25
                  BEC 020/15-20, OCNL 25               18-14
   B.   2000 FT:  020/15-20                            10
   C.   5000 FT:  330/15                               9
   D.  10000 FT:  280/25                               2
   E.  18000 FT:  280/60                               MS5
   F.  24000 FT:  280/75                               MS17
   G.  30000 FT:  250/75                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      BECOMING COLD APPRECIABLY OVERNIGHT WITH A FEW
      RAIN PATCHES AND RELATIVELY LOW VISIBILITY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT.
   K. VISIBILITY    : 8 KM. TEMPO 3000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 6600, 6800 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 17 DEG
IV.  FURTHER OUTLOOK: 
     FINE AND DRY. MODERATE TO FRESH NORTHERLY WINDS,
     OCCASIONALLY STRONG OFFSHORE.=

    ===================================================================
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
    Traditional Chinese Simplified Chinese

    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 10:58 HKT on 06 Feb 17

    VHHK SIGMET 1 VALID 060300/060700 VHHH- VHHK HONG KONG FIR SEV TURB FCST S OF N2030 FL220/390 MOV E 10KT WKN=

    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 08/Feb/2017 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     18.7 C
Minimum Air Temperature                     15.9 C
Grass Minimum Temperature                   15.2 C
Relative Humidity                        65 - 81 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            12.7 mm
Against an average of                       38.2 mm

Other Stations                Min                  Max
King's Park                  15.1 C               18.8 C
Wong Chuk Hang               15.4 C               18.8 C
Ta Kwu Ling                  15.3 C               19.8 C
Lau Fau Shan                 15.3 C               22.0 C
Tai Po                       16.0 C               18.1 C
Sha Tin                      15.6 C               19.2 C
Tuen Mun                     16.5 C               20.7 C
Tseung Kwan O                15.4 C               18.1 C
Sai Kung                     15.9 C               17.2 C
Cheung Chau                  15.5 C               17.4 C
Chek Lap Kok                 16.6 C               21.3 C
Tsing Yi                     16.1 C               19.8 C
Shek Kong                    16.4 C               20.5 C
Tsuen Wan Ho Koon            14.4 C               19.7 C
Tsuen Wan Shing Mun Valley   15.5 C               20.4 C
Hong Kong Park               14.1 C               18.1 C
Shau Kei Wan                 15.1 C               17.1 C
Kowloon City                 15.1 C               19.3 C
Happy Valley                 15.8 C               19.4 C
Wong Tai Sin                 15.6 C               19.5 C
Stanley                      15.5 C               18.6 C
Kwun Tong                    15.3 C               17.1 C
Sham Shui Po                 16.1 C               20.5 C
Kai Tak Runway Park          16.1 C               17.7 C
Yuen Long Park               16.3 C               21.5 C
Tai Mei Tuk               15.5 C               18.2 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):        18.3 C 

Yesterday's (07 Feb 2017) 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                             0.08
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 1987-2016, 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 07 Feb
     2003copy right image | Important notices | Privacy policy Last revision date: <08 Feb 2017> 

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