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Bulletin issued at 13:02 HKT 28/Aug/2019

At 1 p.m. at the Hong Kong Observatory the air temperature was 33 degrees Celsius and the relative humidity 64 per cent.
During the past hour the mean UV Index recorded at King's Park was 9. The intensity of UV radiation was very high.

According to the present forecast track, Podul is expected to edge slightly closer to the coast of southern China. The Observatory will consider issuing the Standby Signal No. 1 this afternoon.

Please be reminded that:

The Very Hot Weather Warning is now in force. Very hot weather might cause adverse health effects. Members of the public should take care to avoid heatstroke.

The air temperatures at other places were:

King's Park 34 degrees;
Wong Chuk Hang 33 degrees;
Ta Kwu Ling 35 degrees;
Lau Fau Shan 33 degrees;
Tai Po 32 degrees;
Sha Tin 34 degrees;
Tuen Mun 34 degrees;
Tseung Kwan O 33 degrees;
Sai Kung 33 degrees;
Cheung Chau 32 degrees;
Chek Lap Kok 33 degrees;
Tsing Yi 34 degrees;
Shek Kong 34 degrees;
Tsuen Wan Ho Koon 32 degrees;
Tsuen Wan Shing Mun Valley 34 degrees;
Shau Kei Wan 33 degrees;
Kowloon City 34 degrees;
Happy Valley 35 degrees;
Wong Tai Sin 34 degrees;
Stanley 34 degrees;
Kwun Tong 33 degrees;
Sham Shui Po 35 degrees;
Kai Tak Runway Park 34 degrees;
Yuen Long Park 35 degrees;
Tai Mei Tuk 34 degrees.

Here is the information on Tropical Storm Podul at noon:
Location: 17.0 degrees north, 116.7 degrees east.


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


Climatological Information for 28 Aug

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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Bulletin updated at 12:45 HKT 28/Aug/2019

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

An anticyclone aloft is bringing generally fine weather to southeastern China.

At noon, Tropical Storm Podul was centred about 470 kilometres east of Xisha. It is forecast to move west or west-northwest at about 25 kilometres per hour across the central part of the South China Sea.

Weather forecast for this afternoon and tonight

Mainly fine and very hot with haze in the afternoon. Cloudy periods tonight. Light to moderate north to northeasterly winds.

Outlook : More showers and windier with swells in the next couple of days.


(The above forecast period is valid up to 23:59 HKT today, 28/08/2019; 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 28/Aug/2019

GALE WARNING AREAS: PRATAS, SCARBOROUGH AND PARACEL.

GENERAL SITUATION AT 272100 UTC:
FOR DETAILS ON TROPICAL STORM PODUL (1912), PLEASE REFER TO THE 3-HRLY SHIPPING WARNINGS.

MARINE FORECAST FOR 24 HOURS FROM 280100 UTC:

HONG KONG= E TO NE 4-5, 6 LATER. DOWN TO 4000 M IN SOME HAZE. SEA UP TO 2 M, 3 M LATER. SWELL E 2 M. TEMP 34-28 C. =
KWANGTUNG= E TO NE 5-6, 7 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M, 4 M LATER. SWELL E 2 M. =
TAIWAN STRAIT= E TO NE 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. =
BASHI= E TO SE 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL E TO NE 3-5 M. =
PRATAS= NE 6-7, BEC E TO SE 7-8. DOWN TO 500 M IN FREQ SQUALLY SHOWERS AND TS. SEA 3-4 M, BEC 4-6 M. SWELL E TO NE 3-5 M. =
BALINTANG= E TO SE 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL E TO NE 3-5 M. =
SCARBOROUGH= CYCLONIC 8-9, BEC S TO SW 7-8. DOWN TO 500 M IN FREQ SQUALLY SHOWERS AND TS. SEA 6-8 M, BEC 4-6 M. SWELL E TO NE 3-5 M, SW 3 M. =
PARACEL= N TO NW 7-8, BEC CYCLONIC 8-9. DOWN TO 500 M IN FREQ SQUALLY SHOWERS AND TS. SEA 4-6 M, BEC 6-8 M. SWELL E TO NE 3-5 M, SW 3 M. =
TONKIN= N TO NE 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. =
DANANG= N 4-5, BEC W TO NW 5-6. DOWN TO 500 M IN FREQ SQUALLY SHOWERS AND TS. SEA UP TO 2 M, BEC 2-3 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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    Bulletin issued at 12:30 HKT 28/Aug/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 28 August 2019

    Warnings:
    Strong winds in all areas.

    Weather Situation:
    The northerly airstream is affecting the south China coastal waters.

    At noon, Tropical Storm Podul with maximum sustained winds of about 75 kilometres per hour near its centre was located at 17.0 degrees north, 116.7 degrees east. It is forecast to move west or west-northwest at about 25 kilometres per hour across the central part of the South China Sea.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    North to northeast force 4 to 5, up to force 6 later.
    Some haze.
    Moderate to rough seas.

    Nan'ao and Shanwei:
    East to northeast force 5 to 6, up to force 7 later.
    Scattered squally showers and thunderstorms.
    Moderate to rough seas.

    South of Hong Kong and Shangchuan Dao:
    North to northeast force 5 to 6, up to force 7 later.
    Scattered squally showers and thunderstorms.
    Moderate to rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 6 to 7, becoming southeasterly winds of force 5 to 6. Frequent squally showers and thunderstorms.

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

    Waglan Island Wind north force 4
      Visibility 30 Kilometres

    Shantou Wind west-southwest force 1
      Visibility 23 Kilometres

    Dongsha Wind north-northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind north-northwest force 5

    Macau Wind north-northeast force 2
      Visibility 10 Kilometres

    Xisha Wind north-northwest 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 12:30 HKT 28/AUG/2019
    (Next update at 17:30 HKT 28/AUG/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT NOON., TROPICAL STORM PODUL WAS LOCATED AT
     17.0 DEGREES NORTH, 116.7 DEGREES EAST. IT IS
     FORECAST TO MOVE WEST OR WEST-NORTHWEST AT ABOUT
     14 KNOTS ACROSS THE CENTRAL PART OF THE SOUTH
     CHINA SEA.
     
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  010/5-10
                  BECMG 090/10-15
       OFFSHORE:  360/10
                  BECMG 090/15-20                      34-28
   B.   2000 FT:  350/10
                  BECMG 070/15-20                      24
   C.   5000 FT:  060/25                               21
   D.  10000 FT:  080/25                               13
   E.  18000 FT:  100/30                               0
   F.  24000 FT:  090/30                               MS11
   G.  30000 FT:  100/25                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY FINE WITH ISOLATED SHOWERS. LOCALISED
      HAZE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS/HAZE.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 11800 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.0-3.0 M     SEA TEMPERATURE    : 26 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, OCCASIONALLY
     STRONG OFFSHORE. MAINLY CLOUDY WITH ISOLATED
     SHOWERS. LOCALISED HAZE.=

    ===================================================================
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 12:46 HKT on 28 Aug 19

    VHHK SIGMET 2 VALID 280445/280845 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2053 E11725 - N1642 E11400 - N1930 E11130 - N1931 E11130 - N2053 E11725 TOP FL510 MOV W 12KT INTSF=

    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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    Bulletin issued at 12:30 HKT 28/Aug/2019


    Tropical Cyclone Warning

    At 280300 UTC, Tropical Storm Podul (1912) with central pressure 990 hectopascals was centred within 90 nautical miles of one six point eight degrees north (16.8 N) one one six point seven degrees east (116.7 E) and is forecast to move west or west-northwest at about 15 knots for the next 24 hours.

    Maximum winds near the centre are estimated to be 40 knots.

    Radius of over 33 knot winds 60 nautical miles.
    Radius of over 2 metre waves 240 nautical miles.

    Forecast position and intensity at 290300 UTC
    One seven point eight degrees north (17.8 N)
    One one two point zero degrees east (112.0 E)
    Maximum winds 45 knots.

    Forecast position and intensity at 300300 UTC
    One eight point six degrees north (18.6 N)
    One zero seven point five degrees east (107.5 E)
    Maximum winds 50 knots.

    Forecast position and intensity at 310300 UTC
    One eight point nine degrees north (18.9 N)
    One zero two point nine degrees east (102.9 E)
    Maximum winds 25 knots.

    Forecast position and intensity at 010300 UTC
    Dissipated over land.



    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 28/Aug/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     31.4 C
Minimum Air Temperature                     26.9 C
Grass Minimum Temperature                   25.9 C
Relative Humidity                        78 - 95 Percent
Rainfall                                     2.9 mm 
Total rainfall since 1st January          1976.2 mm
Against an average of                     1869.6 mm

Other Stations                Min                  Max
King's Park                  26.4 C               31.0 C
Wong Chuk Hang               25.6 C               31.4 C
Ta Kwu Ling                  25.6 C               33.1 C
Lau Fau Shan                 25.4 C               31.4 C
Tai Po                       25.7 C               30.6 C
Sha Tin                      26.2 C               32.8 C
Tuen Mun                     26.5 C               31.8 C
Tseung Kwan O                25.9 C               31.1 C
Sai Kung                     26.4 C               31.6 C
Chek Lap Kok                 27.5 C               32.5 C
Tsing Yi                     25.9 C               33.1 C
Shek Kong                    25.5 C               33.6 C
Tsuen Wan Shing Mun Valley   25.3 C               32.7 C
Shau Kei Wan                 25.8 C               30.9 C
Kowloon City                 26.4 C               32.4 C
Happy Valley                 26.0 C               32.7 C
Wong Tai Sin                 26.2 C               32.4 C
Stanley                      26.7 C               32.9 C
Kwun Tong                    26.6 C               32.2 C
Sham Shui Po                 26.7 C               33.0 C
Kai Tak Runway Park          26.5 C               30.5 C
Yuen Long Park               25.5 C               33.5 C
Tai Mei Tuk               26.1 C               31.9 C

Duration of sunshine (King's Park):              4.3 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 11.
 

Yesterday's (27 Aug 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                        0.13

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 27 Aug
     2003copy right image | Important notices | Privacy policy Last revision date: <28 Aug 2019> 

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