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Bulletin issued at 11:02 HKT 08/Feb/2019

At 11 a.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 76 per cent.
During the past hour the mean UV Index recorded at King's Park was 4. The intensity of UV radiation was moderate.

The air temperatures at other places were:

King's Park 25 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 26 degrees;
Lau Fau Shan 27 degrees;
Tai Po 23 degrees;
Sha Tin 25 degrees;
Tuen Mun 26 degrees;
Tseung Kwan O 25 degrees;
Sai Kung 25 degrees;
Cheung Chau 26 degrees;
Chek Lap Kok 27 degrees;
Tsing Yi 25 degrees;
Shek Kong 26 degrees;
Tsuen Wan Ho Koon 24 degrees;
Tsuen Wan Shing Mun Valley 25 degrees;
Hong Kong Park 25 degrees;
Shau Kei Wan 24 degrees;
Kowloon City 26 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 26 degrees;
Stanley 24 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 26 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 26 degrees;
Tai Mei Tuk 25 degrees.


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


Climatological Information for 8 Feb

Regional Weather in Hong Kong

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Bulletin updated at 10:45 HKT 08/Feb/2019

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

A fresh easterly airstream is affecting the coast of eastern Guangdong and is expected to reach the vicinity of the Pearl River Estuary around noon.

Weather forecast for today

Mainly fine at first. Light winds. Becoming moderate to fresh easterly winds, cloudy with one or two rain patches.

Outlook : Windier and slightly cooler over the weekend and early next week.


(The above forecast period is valid up to 23:59 HKT today, 08/02/2019; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 08/Feb/2019

GALE WARNING AREA: TAIWAN STRAIT.

GENERAL SITUATION AT 072100 UTC:
TROUGH 25N 110E 25N 113E 26N 117E QSTNR.

MARINE FORECAST FOR 24 HOURS FROM 080100 UTC:

HONG KONG= SE 4-5, BEC E 6. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA 2 M, BEC 3 M. SWELL E UP TO 2 M. TEMP 24-20 C. =
KWANGTUNG= E TO SE 4-5, UP TO 7 IN E. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA 2-4 M. SWELL E 2 M. =
TAIWAN STRAIT= NE 7-8. FINE. SEA 4-6 M. SWELL NE 2-3 M. =
BASHI= E TO NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL NE 2-3 M. =
PRATAS= E 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL E TO NE 2 M. =
BALINTANG= E 5, OCNL 6. FINE. SEA UP TO 3 M. SWELL E TO NE 2 M. =
SCARBOROUGH= E TO SE 4-5. FINE. SEA UP TO 2 M. SWELL E TO NE 2 M. =
PARACEL= SE 4-5. DOWN TO 2000 M IN MIST PATCHES. SEA UP TO 2 M. SWELL E UP TO 2 M. =
TONKIN= SE 4-5, OCNL 6. DOWN TO 2000 M IN MIST PATCHES. SEA UP TO 3 M. =
DANANG= SE 4-5, OCNL 6. DOWN TO 2000 M IN MIST PATCHES. SEA UP TO 3 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 08/Feb/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 08 February 2019

    Warnings:
    Strong winds in Hong Kong adjacent waters, Nan'ao, Shanwei and south of Hong Kong.

    Weather Situation:
    An easterly airstream is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    Southeast force 4 to 5, becoming east force 6.
    A few rain patches and mist patches.
    Moderate seas, becoming rough.

    Nan'ao and Shanwei:
    East force 5 to 6, occasionally force 7.
    Moderate to rough seas.

    South of Hong Kong:
    Southeast force 4 to 5, becoming east force 6.
    Moderate seas, becoming rough.

    Shangchuan Dao:
    Southeast force 4 to 5.
    Moderate seas.

    Outlook for the next 48 hours
    East to southeasterly winds of force 6 to 7.

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

    Waglan Island Wind east-northeast force 3
      Visibility 5000 Metres

    Shantou Wind east-northeast force 2
      Visibility 28 Kilometres

    Huangmaozhou Wind east-southeast force 3

    Macau Wind south-southeast force 1
      Visibility 3000 Metres in mist

    Xisha Wind calm
      Visibility 29 Kilometres

  • Explanation of Seas or Sea Waves
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 09:00 HKT 08/FEB/2019
    (Next update at 12:30 HKT 08/FEB/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A FRESH EASTERLY AIRSTREAM IS AFFECTING THE
     COAST OF EASTERN GUANGDONG AND IS EXPECTED TO
     REACH THE VICINITY OF THE PEARL RIVER ESTUARY
     AROUND NOON.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  VRB/5
                  BEC 090/10-15
       OFFSHORE:  090/10
                  BEC 090/20-25                        22-26
   B.   2000 FT:  180/10-15
                  BEC 120/20-25                        18
   C.   5000 FT:  270/10
                  BEC 210/20                           15
   D.  10000 FT:  270/30                               8
   E.  18000 FT:  290/40                               MS2
   F.  24000 FT:  290/50                               MS15
   G.  30000 FT:  290/60                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3500-3800 FT.
   I. WEATHER       : 
      MAINLY FINE WITH COASTAL MIST PATCHES AT FIRST,
      BECOMING CLOUDY WITH A FEW RAIN PATCHES LATER.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1200 FT  SCT 3000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 4000 M IN MIST/RAIN.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 8400, 12000, 12600 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS LATER.
   N. SEA STATE     : 1.5BEC3.0 M   SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, OCCASIONALLY
     STRONG OFFSHORE.  MAINLY CLOUDY WITH A FEW RAIN
     AND MIST PATCHES.=

    ===================================================================
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.

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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.

    There is no Significant Weather Information (SIGMET)

    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/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     25.8 C
Minimum Air Temperature                     21.3 C
Grass Minimum Temperature                   18.4 C
Relative Humidity                        70 - 91 Percent
Rainfall                                      Trace 
Total rainfall since 1st January             4.7 mm
Against an average of                       38.2 mm

Other Stations                Min                  Max
King's Park                  20.3 C               26.0 C
Wong Chuk Hang               19.6 C               25.4 C
Ta Kwu Ling                  19.9 C               27.3 C
Lau Fau Shan                 20.5 C               29.8 C
Tai Po                       19.8 C               24.5 C
Sha Tin                      19.4 C               27.4 C
Tuen Mun                     20.7 C               27.4 C
Tseung Kwan O                18.8 C               25.8 C
Sai Kung                     19.7 C               25.0 C
Cheung Chau                  19.8 C               26.6 C
Chek Lap Kok                 21.6 C               27.9 C
Tsing Yi                     20.1 C               27.0 C
Shek Kong                    20.1 C               28.8 C
Tsuen Wan Ho Koon            19.1 C               25.9 C
Tsuen Wan Shing Mun Valley   19.8 C               27.3 C
Hong Kong Park               20.8 C               26.4 C
Shau Kei Wan                 19.8 C               24.7 C
Kowloon City                 20.2 C               27.0 C
Happy Valley                 20.6 C               26.6 C
Wong Tai Sin                 20.3 C               26.7 C
Stanley                      19.9 C               25.5 C
Kwun Tong                    20.5 C               26.4 C
Sham Shui Po                 20.7 C               27.3 C
Kai Tak Runway Park          20.2 C               24.3 C
Yuen Long Park               20.1 C               28.6 C
Tai Mei Tuk               20.0 C               28.7 C

Duration of sunshine (King's Park):              7.1 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.
 

Yesterday's (07 Feb 2019) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.09 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                           0.09
Tap Mun                             0.09
Kat O                               0.11
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                         0.15
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 in the
past, the hourly mean ambient gamma radiation dose rate may
vary between 0.06 and 0.3 microsievert per hour. (1
microsievert = 0.000001 sievert = 0.001 millisievert)

    2. Temporal variations are generally caused by changes in
meteorological conditions such as rainfall, wind and
barometric pressure.

    3. Spatial variations are generally caused by differences in
the radioactive content of local rock and soil.

    4. The data displayed is provisional. Only limited data
validation has been carried out.
    Climatological Information for 07 Feb
     2003copy right image | Important notices | Privacy policy Last revision date: <08 Feb 2019> 

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