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Bulletin issued at 17:02 HKT 08/Feb/2019

At 5 p.m. at the Hong Kong Observatory the air temperature was 21 degrees Celsius and the relative humidity 88 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.

The air temperatures at other places were:

King's Park 20 degrees;
Wong Chuk Hang 21 degrees;
Ta Kwu Ling 20 degrees;
Lau Fau Shan 23 degrees;
Tai Po 19 degrees;
Sha Tin 20 degrees;
Tuen Mun 22 degrees;
Tseung Kwan O 20 degrees;
Sai Kung 20 degrees;
Cheung Chau 21 degrees;
Chek Lap Kok 24 degrees;
Tsing Yi 22 degrees;
Shek Kong 21 degrees;
Tsuen Wan Ho Koon 20 degrees;
Tsuen Wan Shing Mun Valley 20 degrees;
Hong Kong Park 21 degrees;
Shau Kei Wan 19 degrees;
Kowloon City 20 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 21 degrees;
Stanley 20 degrees;
Kwun Tong 19 degrees;
Sham Shui Po 21 degrees;
Kai Tak Runway Park 20 degrees;
Yuen Long Park 23 degrees;
Tai Mei Tuk 19 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

Information on Tropical Cyclones

Hong Kong Climatology


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Bulletin updated at 16:45 HKT 08/Feb/2019

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

A strong northeast monsoon is affecting the coast of Guangdong. Locally, temperatures over the territory in the afternoon were generally four degrees lower than those of yesterday.

Weather forecast for tonight and tomorrow

Mainly cloudy with one or two rain patches. Slightly cooler with temperatures ranging between 19 and 22 degrees. Moderate to fresh easterly winds, strong offshore.

Outlook : Slightly cooler and windier in the following couple of days. Temperatures will rise gradually midweek next week.


(The above forecast period is valid up to 23:59 HKT tomorrow, 09/02/2019; 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 16:30 HKT 08/Feb/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 08 February 2019

    Warnings:
    Strong winds in all areas.

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

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East force 5 to 6.
    A few rain patches.
    Moderate to rough seas.

    Nan'ao:
    East force 6 to 7.
    Rough seas.

    Shanwei:
    East force 5 to 6, occasionally force 7.
    Moderate to rough seas.

    South of Hong Kong:
    East to southeast force 5 to 6.
    Moderate to rough seas.

    Shangchuan Dao:
    Southeast force 4 to 5, occasionally force 6.
    Moderate to rough seas.

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

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

    Waglan Island Wind east-northeast force 5
      Visibility 8 Kilometres

    Shantou Wind northeast force 2
      Visibility 28 Kilometres

    Dongsha Wind east-northeast force 2
      Visibility 10 Kilometres

    Huangmaozhou Wind east-southeast force 4

    Macau Wind east-southeast force 2
      Visibility 11 Kilometres

    Xisha Wind southeast force 2
      Visibility 30 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 17:30 HKT 08/FEB/2019
    (Next update at 01:30 HKT 09/FEB/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A STRONG NORTHEAST MONSOON IS AFFECTING THE
     COAST OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  100/10-15, OCNL 20
       OFFSHORE:  100/20-25                            23-19
   B.   2000 FT:  140/20-25, OCNL 30                   17
   C.   5000 FT:  190/20                               15
   D.  10000 FT:  280/35                               10
   E.  18000 FT:  280/30                               MS2
   F.  24000 FT:  270/40                               MS15
   G.  30000 FT:  280/50                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3500-3800 FT.
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW RAIN AND MIST PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1200 FT  SCT 2500 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 4000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 8600, 10000, 12600 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, STRONG
     OFFSHORE.  MAINLY CLOUDY WITH A FEW RAIN 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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