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Bulletin issued at 10:02 HKT 16/Feb/2019

At 10 a.m. at the Hong Kong Observatory the air temperature was 23 degrees Celsius and the relative humidity 79 per cent.
During the past hour the mean UV Index recorded at King's Park was 2. The intensity of UV radiation was low.

The air temperatures at other places were:

King's Park 23 degrees;
Wong Chuk Hang 23 degrees;
Ta Kwu Ling 24 degrees;
Lau Fau Shan 22 degrees;
Tai Po 21 degrees;
Sha Tin 22 degrees;
Tuen Mun 24 degrees;
Tseung Kwan O 23 degrees;
Sai Kung 24 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 25 degrees;
Tsing Yi 24 degrees;
Shek Kong 25 degrees;
Tsuen Wan Ho Koon 23 degrees;
Tsuen Wan Shing Mun Valley 23 degrees;
Hong Kong Park 23 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 24 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 24 degrees;
Stanley 23 degrees;
Kwun Tong 23 degrees;
Sham Shui Po 24 degrees;
Kai Tak Runway Park 23 degrees;
Yuen Long Park 24 degrees;
Tai Mei Tuk 23 degrees.


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


Climatological Information for 16 Feb

Regional Weather in Hong Kong

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Hong Kong Climatology


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Bulletin updated at 09:45 HKT 16/Feb/2019

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

The easterly airstream now affecting the coast of Guangdong will strengthen gradually today.

Weather forecast for today

Warm with sunny periods. Cloudy with a few light rain patches tonight. Moderate easterly winds, fresh offshore later.

Outlook : Windy and slightly cooler tomorrow with light rain in the morning and at night. The weather will become unsettled in the following couple of days.


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

GALE WARNING AREA: TAIWAN STRAIT.

GENERAL SITUATION AT 152100 UTC:
TROUGH 22N 110E 24N 115E 26N 118E QSTNR.

MARINE FORECAST FOR 24 HOURS FROM 160100 UTC:

HONG KONG= E 4-5, BEC 6. LGT RAIN PATCHES. SEA UP TO 2 M, BEC 3 M. TEMP 25-19 C. =
KWANGTUNG= E 5-6, BEC 7. LGT RAIN PATCHES. SEA 2-3 M, BEC 4 M. SWELL E 2 M. =
TAIWAN STRAIT= NE 6-7, BEC 8. RAIN PATCHES. SEA 3-4 M, BEC 6 M. SWELL NE 2 M, BEC 3 M. =
BASHI= E TO SE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E 2 M. =
PRATAS= E TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E 2 M. =
BALINTANG= E TO SE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E 2 M. =
SCARBOROUGH= E TO NE 4-5. FINE. SEA UP TO 2 M. =
PARACEL= SE 4, OCNL 5. FINE. SEA UP TO 2 M. =
TONKIN= SE 4-5. CLD. SEA UP TO 2 M. =
DANANG= SE 4-5. FINE. 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.


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    • SOUTH CHINA COASTAL WATERS
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    South China Coastal Waters

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    9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

    Bulletin issued at 09:30 HKT 16/Feb/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 16 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:
    East force 4 to 5, becoming force 6.
    A few light rain patches.
    Moderate seas, becoming rough.

    Nan'ao:
    East to northeast force 5 to 6, becoming force 7.
    Moderate to rough seas.

    Shanwei and South of Hong Kong:
    East force 4 to 5, becoming force 6.
    Moderate seas, becoming rough.

    Shangchuan Dao:
    East to southeast force 4 to 5.
    Moderate seas.

    Outlook for the next 48 hours
    Easterly winds of force 6 to 7, becoming south to southeasterly winds of force 5 to 6. Isolated showers and thunderstorms.

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

    Waglan Island Wind north-northeast force 3
      Visibility 19 Kilometres

    Shantou Wind southeast force 2
      Visibility 13 Kilometres

    Dongsha Wind east-northeast force 1
      Visibility 10 Kilometres

    Huangmaozhou Wind east force 4

    Macau Wind south-southeast force 1
      Visibility 11 Kilometres

    Xisha Wind calm
      Visibility 18 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 09:30 HKT 16/FEB/2019
    (Next update at 12:30 HKT 16/FEB/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE EASTERLY AIRSTREAM NOW AFFECTING THE COAST
     OF GUANGDONG WILL STRENGTHEN GRADUALLY TODAY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/5-10
       OFFSHORE:  080/15-20                            20-24
   B.   2000 FT:  150/10-15                            18
   C.   5000 FT:  200/10                               14
   D.  10000 FT:  260/20                               7
   E.  18000 FT:  260/35                               MS5
   F.  24000 FT:  250/50                               MS19
   G.  30000 FT:  250/70                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3300-3600 FT
   I. WEATHER       : 
      SUNNY PERIODS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT  SCT 5000 FT.
   K. VISIBILITY    : 9 KM.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 7000 FT
   M. TURBULENCE    : MOD OFFSHORE
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, STRONG
     OFFSHORE. CLOUDY WITH A FEW LIGHT 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)

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    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 16/Feb/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     22.4 C
Minimum Air Temperature                     18.8 C
Grass Minimum Temperature                   18.1 C
Relative Humidity                        77 - 93 Percent
Rainfall                                     0.2 mm 
Total rainfall since 1st January             6.7 mm
Against an average of                       52.6 mm

Other Stations                Min                  Max
King's Park                  18.2 C               23.0 C
Wong Chuk Hang               18.6 C               23.7 C
Ta Kwu Ling                  18.8 C               25.0 C
Lau Fau Shan                 17.6 C               25.3 C
Tai Po                       18.5 C               21.6 C
Sha Tin                      18.7 C               22.9 C
Tuen Mun                     19.3 C               23.4 C
Tseung Kwan O                17.6 C               20.8 C
Sai Kung                     18.5 C               21.9 C
Cheung Chau                  18.3 C               23.3 C
Chek Lap Kok                 19.3 C               24.9 C
Tsing Yi                     19.5 C               24.6 C
Shek Kong                    19.0 C               25.6 C
Tsuen Wan Ho Koon            18.5 C               24.2 C
Tsuen Wan Shing Mun Valley   19.0 C               24.4 C
Hong Kong Park               18.8 C               22.0 C
Shau Kei Wan                 17.7 C               21.0 C
Kowloon City                 18.4 C               23.2 C
Happy Valley                 18.8 C               23.4 C
Wong Tai Sin                 18.7 C               24.3 C
Stanley                      17.9 C               20.8 C
Kwun Tong                    17.8 C               22.1 C
Sham Shui Po                 19.2 C               23.7 C
Kai Tak Runway Park          18.6 C               21.3 C
Yuen Long Park               18.2 C               24.7 C
Tai Mei Tuk               18.4 C               24.5 C

Duration of sunshine (King's Park):              2.6 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 7.
 

Yesterday's (15 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                        0.14

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 15 Feb
     2003copy right image | Important notices | Privacy policy Last revision date: <16 Feb 2019> 

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