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Bulletin issued at 17:02 HKT 14/Mar/2018

At 5 p.m. at the Hong Kong Observatory the air temperature was 20 degrees Celsius and the relative humidity 85 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.2. 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 21 degrees;
Lau Fau Shan 21 degrees;
Tai Po 20 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 21 degrees;
Shek Kong 21 degrees;
Tsuen Wan Ho Koon 20 degrees;
Tsuen Wan Shing Mun Valley 21 degrees;
Hong Kong Park 19 degrees;
Shau Kei Wan 19 degrees;
Kowloon City 20 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 20 degrees;
Stanley 20 degrees;
Kwun Tong 20 degrees;
Sham Shui Po 21 degrees;
Kai Tak Runway Park 19 degrees;
Yuen Long Park 22 degrees;
Tai Mei Tuk 20 degrees.


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


Climatological Information for 14 Mar

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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Bulletin updated at 16:45 HKT 14/Mar/2018

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

Showers associated with an upper-air disturbance are affecting southern China and the coastal areas.

Weather forecast for tonight and tomorrow

Mainly cloudy with a few showers. Isolated thunderstorms at first tomorrow. Sunny intervals in the afternoon. Coastal mist at night. Temperatures will range between 19 and 23 degrees. Light to moderate easterly winds.

Outlook : Sunny periods in the following couple of days. Fog in the morning and at night on Friday.


(The above forecast period is valid up to 23:59 HKT tomorrow, 15/03/2018; 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 14/Mar/2018

N0 WARNING.

GENERAL SITUATION AT 132100 UTC:
AN EASTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 140100 UTC:

HONG KONG= E 3-4. ISOL SHOWERS AND TS. TEMP 23-20 C. =
KWANGTUNG= E TO SE 4-5, OCNL 6 IN E. ISOL SHOWERS AND TS. SEA UP TO 3 M. =
TAIWAN STRAIT= NE 4-5. ISOL SHOWERS AND TS LATER. SEA UP TO 2 M. =
BASHI= E TO SE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E UP TO 2 M. =
PRATAS= E TO SE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E UP TO 2 M. =
BALINTANG= E TO SE 5-6. CLD. SEA 2-3 M. SWELL E UP TO 2 M. =
SCARBOROUGH= E TO NE 4-5. FINE. SEA UP TO 2 M. =
PARACEL= E TO SE 4-5. ISOL SHOWERS AND TS IN N. SEA UP TO 2 M. =
TONKIN= E TO SE 3-4. ISOL SHOWERS AND TS. =
DANANG= E TO SE 4-5. ISOL SHOWERS AND TS. 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
  • Tidal Information

    • 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 16:30 HKT 14/Mar/2018

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 14 March 2018

    Warnings:
    Strong winds in 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.
    Isolated showers and thunderstorms.
    Moderate seas.

    Nan'ao, Shanwei and South of Hong Kong:
    East to southeast force 5 to 6.
    Isolated showers and thunderstorms.
    Moderate to rough seas.

    Shangchuan Dao:
    East to southeast force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

    Outlook for the next 48 hours
    East to southeasterly winds of force 4 to 5, force 6 later. Fog patches.

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

    Waglan Island Wind north force 4
      Visibility 15 Kilometres

    Shantou Wind east-northeast force 2
      Visibility 15 Kilometres in showers

    Dongsha Wind east-northeast force 2
      Visibility 10 Kilometres

    Huangmaozhou Wind north force 4

    Macau Wind east-southeast force 2
      Visibility 6 Kilometres

    Xisha Wind southeast force 1
      Visibility 27 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 14/MAR/2018
    (Next update at 01:30 HKT 15/MAR/2018)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/5-10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  080/10-15                            21-19
   B.   2000 FT:  150/10                               17
   C.   5000 FT:  200/20                               14
   D.  10000 FT:  210/20                               3
   E.  18000 FT:  230/35                               MS12
   F.  24000 FT:  210/45                               MS21
   G.  30000 FT:  230/85                               MS36
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH ISOLATED SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3500 FT TEMPO FEW CB 800 FT
      SCT 1200 FT BKN 4000 FT
   K. VISIBILITY    : 8 KM.  TEMPO 3000 M IN SHOWERS. TEMPO 2000 M IN TS
   L. 0 DEG. C LEVEL: 12500 FT      10 DEG. C LEVEL(S) : 7000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE EASTERLY WINDS.  MAINLY CLOUDY
     WITH A FEW SHOWERS. ISOLATED THUNDERSTORMS AT
     FIRST. SUNNY INTERVALS IN THE AFTERNOON.=

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

    The latest significant weather information
    issued by the Hong Kong Observatory at 15:35 HKT on 22 Feb 18

    VHHK SIGMET 1 VALID 220735/221135 VHHH- VHHK HONG KONG FIR SEV ICE FCST N OF N2030 AND E OF E11300 FL130/210 MOV E 10KT NC=

    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 14/Mar/2018 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     24.5 C
Minimum Air Temperature                     18.1 C
Grass Minimum Temperature                   16.5 C
Relative Humidity                        63 - 85 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            87.0 mm
Against an average of                      101.7 mm

Other Stations                Min                  Max
King's Park                  16.8 C               24.9 C
Wong Chuk Hang               15.9 C               25.0 C
Ta Kwu Ling                  14.4 C               27.1 C
Lau Fau Shan                 15.2 C               25.2 C
Tai Po                       15.2 C               24.2 C
Sha Tin                      14.0 C               25.9 C
Tuen Mun                     16.9 C               25.8 C
Tseung Kwan O                14.8 C               25.2 C
Sai Kung                     15.5 C               22.9 C
Cheung Chau                  16.9 C               24.4 C
Chek Lap Kok                 19.0 C               26.3 C
Tsing Yi                     16.5 C               25.7 C
Shek Kong                    13.5 C               27.0 C
Tsuen Wan Ho Koon            15.7 C               25.3 C
Tsuen Wan Shing Mun Valley   15.1 C               26.6 C
Hong Kong Park               16.8 C               24.3 C
Shau Kei Wan                 17.0 C               23.9 C
Kowloon City                 16.7 C               25.5 C
Happy Valley                 15.7 C               25.8 C
Wong Tai Sin                 16.2 C               25.4 C
Stanley                      17.3 C               22.9 C
Kwun Tong                    17.0 C               23.9 C
Sham Shui Po                 16.9 C               25.5 C
Kai Tak Runway Park          17.8 C               23.5 C
Yuen Long Park               14.3 C               27.0 C
Tai Mei Tuk               16.0 C               25.8 C

Duration of sunshine (King's Park):              9.2 H
The mean UV index recorded at King's Park yesterday was 4,
the UV intensity was Moderate.
The maximum UV index for yesterday was 8.
Sea surface temperature (Waglan Island):        18.0 C 

Yesterday's (13 Mar 2018) 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                             0.09
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 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 13 Mar
     2003copy right image | Important notices | Privacy policy Last revision date: <14 Mar 2018> 

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