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Bulletin issued at 01:02 HKT 16/Feb/2019

At 1 a.m. at the Hong Kong Observatory the air temperature was 21 degrees Celsius and the relative humidity 87 per cent.

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 19 degrees;
Tai Po 19 degrees;
Sha Tin 20 degrees;
Tuen Mun 21 degrees;
Tseung Kwan O 19 degrees;
Sai Kung 20 degrees;
Cheung Chau 19 degrees;
Chek Lap Kok 22 degrees;
Tsing Yi 20 degrees;
Shek Kong 19 degrees;
Tsuen Wan Ho Koon 19 degrees;
Tsuen Wan Shing Mun Valley 20 degrees;
Hong Kong Park 20 degrees;
Shau Kei Wan 20 degrees;
Kowloon City 20 degrees;
Happy Valley 20 degrees;
Wong Tai Sin 21 degrees;
Stanley 20 degrees;
Kwun Tong 20 degrees;
Sham Shui Po 21 degrees;
Kai Tak Runway Park 20 degrees;
Yuen Long Park 19 degrees;
Tai Mei Tuk 20 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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Bulletin updated at 00:45 HKT 16/Feb/2019

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

An easterly airstream affected the coast of Guangdong yesterday. Locally, it was mainly cloudy. There were a few light rain patches in the morning and sunny periods in the afternoon. The easterly airstream is expected to strengthen gradually on Saturday. It will be windy and slightly cooler over the region on Sunday. A trough of low pressure will edge closer to the south China coast early next week, the weather will become unsettled over the region.

Weather forecast for Hong Kong

Mainly cloudy. A few light rain patches in the morning and at night. The minimum temperature will be about 20 degrees. Warm with sunny periods during the day with a maximum temperature of around 24 degrees. Moderate easterly winds, fresh offshore later.

Outlook : Slightly cooler and windy on Sunday 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 21:00 HKT 15/Feb/2019

GALE WARNING AREA: TAIWAN STRAIT.

GENERAL SITUATION AT 150900 UTC:
TROUGH 22N 109E 26N 120E QSTNR.

MARINE FORECAST FOR 24 HOURS FROM 151300 UTC:

HONG KONG= E 4-5, 6 LATER. LGT RAIN PATCHES. SEA UP TO 2 M, 3 M LATER. TEMP 20-24 C. =
KWANGTUNG= E 4-5, 6-7 LATER. LGT RAIN PATCHES. SEA UP TO 2 M, 3-4 M LATER. SWELL E UP TO 2 M. =
TAIWAN STRAIT= NE 5-6, BEC UP TO 8. RAIN PATCHES. SEA 2-3 M, BEC 6 M. SWELL NE 2 M. =
BASHI= E TO SE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E 2 M. =
PRATAS= E TO NE 4-5, 6 LATER. LGT RAIN PATCHES. SEA UP TO 2 M, 3 M LATER. 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. SWELL NE 2 M. =
PARACEL= E 4, OCNL 5. FINE. SEA UP TO 2 M. =
TONKIN= E TO SE 3-4. FINE. =
DANANG= E TO 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.


  • Map showing the 10 forecast areas
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    • 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 23:30 HKT 15/Feb/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 15 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 later.
    A few light rain patches.
    Moderate seas, becoming rough later.

    Nan'ao:
    East to northeast force 4 to 5, becoming up to force 7 later.
    Moderate seas, becoming rough later.

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

    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 later. Isolated showers and thunderstorms later.

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

    Waglan Island Wind north-northeast force 3
      Visibility 18 Kilometres

    Shantou Wind calm
      Visibility 30 Kilometres

    Dongsha Wind east force 2
      Visibility 10 Kilometres

    Huangmaozhou Wind east-southeast force 4

    Xisha Wind east 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 01:30 HKT 16/FEB/2019
    (Next update at 9:00-9:30 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 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/5-10
       OFFSHORE:  080/15                               20-26
   B.   2000 FT:  150/10-15, OCNL 20                   17
   C.   5000 FT:  220/15                               15
   D.  10000 FT:  260/20                               7
   E.  18000 FT:  260/40                               MS5
   F.  24000 FT:  250/60                               MS18
   G.  30000 FT:  260/80                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2800- 3200 FT.
   I. WEATHER       : 
      MAINLY CLOUDY.  A FEW LIGHT RAIN PATCHES IN THE
      MORNING.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 15500 FT      10 DEG. C LEVEL(S) : 7200 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 1.5-2.0 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, FRESH OFFSHORE. SUNNY
     PERIODS. A FEW LIGHT RAIN PATCHES AT NIGHT.=

    ===================================================================
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

    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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