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Bulletin issued at 15:02 HKT 06/Sep/2019

At 3 p.m. at the Hong Kong Observatory the air temperature was 32 degrees Celsius and the relative humidity 63 per cent.
During the past hour the mean UV Index recorded at King's Park was 8. The intensity of UV radiation was very high.

The air temperatures at other places were:

King's Park 32 degrees;
Wong Chuk Hang 31 degrees;
Ta Kwu Ling 33 degrees;
Lau Fau Shan 33 degrees;
Tai Po 31 degrees;
Sha Tin 32 degrees;
Tuen Mun 31 degrees;
Tseung Kwan O 31 degrees;
Sai Kung 31 degrees;
Cheung Chau 31 degrees;
Chek Lap Kok 33 degrees;
Tsing Yi 33 degrees;
Shek Kong 34 degrees;
Tsuen Wan Ho Koon 31 degrees;
Tsuen Wan Shing Mun Valley 33 degrees;
Shau Kei Wan 30 degrees;
Kowloon City 32 degrees;
Happy Valley 33 degrees;
Wong Tai Sin 31 degrees;
Stanley 31 degrees;
Kwun Tong 30 degrees;
Sham Shui Po 33 degrees;
Kai Tak Runway Park 31 degrees;
Yuen Long Park 34 degrees;
Tai Mei Tuk 32 degrees.


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


Climatological Information for 6 Sep

Regional Weather in Hong Kong

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Hong Kong Climatology


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Bulletin updated at 14:45 HKT 06/Sep/2019

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

A continental airstream is bringing generally fine weather to Guangdong. Meanwhile, the broad trough of low pressure over the northern part of the South China Sea is bringing showers to the region.

At noon, Super Typhoon Lingling was centred about 540 kilometres south-southwest of Jeju. It is forecast to move north at about 35 kilometres per hour across the East China Sea.

Weather forecast for this afternoon and tonight

Sunny periods and isolated showers in the afternoon. Mainly fine tonight. Moderate east to northeasterly winds.

Outlook : Mainly fine and hot apart from isolated showers during the weekend and early next week.


(The above forecast period is valid up to 23:59 HKT today, 06/09/2019; 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 06/Sep/2019

N0 WARNING.

GENERAL SITUATION AT 052100 UTC:
FOR DETAILS ON SUPER TYPHOON LINGLING (1913), PLEASE REFER TO THE 3-HRLY SHIPPING WARNINGS.

MARINE FORECAST FOR 24 HOURS FROM 060100 UTC:

HONG KONG= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL SW 2 M. TEMP 31-27 C. =
KWANGTUNG= E TO NE 4-5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 3 M. SWELL SW 2-3 M. =
TAIWAN STRAIT= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL SW 2 M. =
BASHI= SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 2-3 M. =
PRATAS= S TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 3 M. =
BALINTANG= SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL SW 3 M. =
SCARBOROUGH= SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL SW 2-3 M. =
PARACEL= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 3 M. =
TONKIN= N TO NW 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= W TO NW 4-5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. 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.


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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 12:30 HKT 06/Sep/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 06 September 2019

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

    Weather Situation:
    The broad trough of low pressure over the northern part of the South China Sea is bringing unsettled weather to the south China coastal waters.

    At noon, Super Typhoon Lingling with maximum sustained winds of about 195 kilometres per hour near its centre was located at 28.8 degrees north, 125.1 degrees east. It is forecast to move north at about 35 kilometres per hour across the East China Sea.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East to northeast force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

    Nan'ao, Shanwei, South of Hong Kong and Shangchuan Dao:
    East to northeast force 4 to 5, occasionally force 6.
    Scattered squally showers and thunderstorms.
    Moderate to rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 4 to 5, becoming south to southwesterly winds of force 4 to 5 later. Isolated showers and thunderstorms.

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

    Waglan Island Wind northeast force 4
      Visibility 50 Kilometres or above

    Shantou Wind west force 2
      Visibility 30 Kilometres

    Dongsha Wind southwest force 1
      Visibility 10 Kilometres

    Huangmaozhou Wind east force 4

    Macau Wind north-northeast force 3
      Visibility 28 Kilometres

    Xisha Wind southwest force 4
      Visibility 11 Kilometres

  • Explanation of Seas or Sea Waves
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  • Visibility Readings in Hong Kong Waters
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 12:30 HKT 06/SEP/2019
    (Next update at 17:30 HKT 06/SEP/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE BROAD TROUGH OF LOW PRESSURE OVER THE
     NORTHERN PART OF THE SOUTH CHINA SEA IS BRINGING
     SHOWERS TO THE REGION.
     AT NOON, SUPER TYPHOON LINGLING WAS CENTRED NEAR
     28.8 DEGREES NORTH, 125.1 DEGREES EAST. IT IS
     FORECAST TO MOVE NORTH AT ABOUT 18 KNOTS ACROSS
     THE EAST CHINA SEA. 
     
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  070/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  070/10-15                            33-28
   B.   2000 FT:  070/10-15                            23
   C.   5000 FT:  070/20                               20
   D.  10000 FT:  070/15                               12
   E.  18000 FT:  320/15                               MS2
   F.  24000 FT:  310/20                               MS12
   G.  30000 FT:  270/20                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      SUNNY PERIODS WITH ISOLATED SHOWERS AND
      THUNDERSTORMS IN THE AFTERNOON. MAINLY FINE
      TONIGHT.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 3000 FT
      TEMPO FEW CB 1000 FT SCT 2000 FT BKN 4000 FT
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS.
                      TEMPO 2500 M IN TS
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 10600 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 26 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE NORTH TO NORTHEASTERLY WINDS.
     MAINLY FINE WITH ISOLATED SHOWERS.=

    ===================================================================
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 15:40 HKT on 06 Sep 19

    VHHK SIGMET 1 VALID 060345/060745 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2100 E11730 - N1726 E11435 - N1722 E11239 - N1949 E11249 - N2114 E11503 - N2120 E11730 - N2100 E11730 TOP FL480 STNR NC= VHHK SIGMET 2 VALID 060745/061145 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2100 E11730 - N1642 E11400 - N1930 E11130 - N2014 E11130 - N2107 E11416 - N2127 E11730 - N2100 E11730 TOP FL480 STNR 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

    Tropical Cyclone Warning |  Track and Positions of Tropical Cyclones
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    Severe Weather Information Centre

    Bulletin issued at 15:30 HKT 06/Sep/2019


    Tropical Cyclone Warning

    At 060600 UTC, Super Typhoon Lingling (1913) with central pressure 930 hectopascals was centred within 30 nautical miles of two nine point six degrees north (29.6 N) one two five point two degrees east (125.2 E) and is forecast to move north at about 20 knots for the next 24 hours.

    Maximum winds near the centre are estimated to be 100 knots.

    Radius of over 33 knot winds 180 nautical miles.
    Radius of over 47 knot winds 90 nautical miles.
    Radius of over 63 knot winds 60 nautical miles.
    Radius of over 2 metre waves 240 nautical miles.

    No further warnings on this Super Typhoon will be issued by the Hong Kong Observatory unless it re-enters the Hong Kong area of responsibility.

    Forecast position and intensity at 070600 UTC
    Three seven point six degrees north (37.6 N)
    One two four point five degrees east (124.5 E)
    Maximum winds 80 knots.

    Forecast position and intensity at 080600 UTC
    Become extratropical low.



    The Hong Kong Observatory's tropical cyclone warnings for shipping are issued about one and a half hours after the time of observation. They incorporate additional information derived from surface and upper-air data and may therefore be slightly different from the real-time satellite or radar-based positions given in the hourly bulletins for public.

    While the forecast positions and track indicate the most likely future path of the tropical cyclone, they may deviate from the actual path taken by the storm.

    Tropical Cyclone Track
    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 06/Sep/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     29.3 C
Minimum Air Temperature                     25.4 C
Grass Minimum Temperature                   24.5 C
Relative Humidity                        79 - 97 Percent
Rainfall                                    31.8 mm 
Total rainfall since 1st January          2188.1 mm
Against an average of                     1958.7 mm

Other Stations                Min                  Max
King's Park                  24.9 C               29.4 C
Wong Chuk Hang               25.2 C               30.1 C
Ta Kwu Ling                  25.2 C               31.4 C
Lau Fau Shan                 24.5 C               31.4 C
Tai Po                       24.9 C               28.8 C
Sha Tin                      25.2 C               30.1 C
Tuen Mun                     25.2 C               30.6 C
Tseung Kwan O                24.7 C               29.4 C
Sai Kung                     25.3 C               29.6 C
Cheung Chau                  24.8 C               30.3 C
Chek Lap Kok                 26.1 C               32.4 C
Tsing Yi                     25.0 C               30.9 C
Shek Kong                    24.9 C               31.1 C
Tsuen Wan Ho Koon            23.9 C               28.8 C
Tsuen Wan Shing Mun Valley   24.5 C               30.3 C
Shau Kei Wan                 24.2 C               29.4 C
Kowloon City                 24.2 C               30.0 C
Happy Valley                 25.2 C               30.8 C
Wong Tai Sin                 24.4 C               30.0 C
Stanley                      25.1 C               29.0 C
Kwun Tong                    24.7 C               29.1 C
Sham Shui Po                 24.8 C               31.1 C
Kai Tak Runway Park          24.8 C               29.1 C
Yuen Long Park               25.2 C               32.0 C
Tai Mei Tuk               24.9 C               30.1 C

Duration of sunshine (King's Park):              4.1 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 (05 Sep 2019) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 to
0.14 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                             0.08
Kat O                               0.10
Yuen Ng Fan                         0.13
Tai Mei Tuk                         0.11
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                      0.12
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 05 Sep
     2003copy right image | Important notices | Privacy policy Last revision date: <06 Sep 2019> 

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