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Bulletin issued at 04:02 HKT 26/May/2018

At 4 a.m. at the Hong Kong Observatory the air temperature was 29 degrees Celsius and the relative humidity 77 per cent.

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 28 degrees;
Wong Chuk Hang 28 degrees;
Ta Kwu Ling 26 degrees;
Lau Fau Shan 26 degrees;
Tai Po 28 degrees;
Sha Tin 29 degrees;
Tuen Mun 27 degrees;
Tseung Kwan O 27 degrees;
Sai Kung 29 degrees;
Cheung Chau 28 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 28 degrees;
Shek Kong 27 degrees;
Tsuen Wan Ho Koon 28 degrees;
Tsuen Wan Shing Mun Valley 29 degrees;
Hong Kong Park 28 degrees;
Shau Kei Wan 28 degrees;
Kowloon City 29 degrees;
Happy Valley 28 degrees;
Wong Tai Sin 29 degrees;
Stanley 27 degrees;
Kwun Tong 28 degrees;
Sham Shui Po 29 degrees;
Kai Tak Runway Park 28 degrees;
Yuen Long Park 27 degrees;
Tai Mei Tuk 28 degrees.

Between 2:45 and 3:45 a.m., lightning was detected within New Territories West. The rainfall recorded in various regions were:

Sai Kung 0 to 4 mm;
Yuen Long 0 to 3 mm;
Eastern District 0 to 2 mm;
Kwun Tong 0 to 2 mm;
Yau Tsim Mong 0 to 1 mm;
North District 0 to 1 mm;
Kowloon City 0 to 1 mm;
Southern District 0 to 1 mm.


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


Climatological Information for 26 May

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Bulletin updated at 03:45 HKT 26/May/2018

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

An anticyclone aloft is covering the coast of southeastern China. Meanwhile, showers are affecting the vicinity of the Pearl River Estuary.

Weather forecast for today

Mainly cloudy. Isolated showers and thunderstorms at first. The minimum temperature will be about 28 degrees. Very hot with sunny periods during the day. The maximum temperature will be around 33 degrees. Moderate southwesterly winds.

Outlook : Very hot weather will persist with sunny periods in the following few days.


(The above forecast period is valid up to 23:59 HKT today, 26/05/2018; 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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Bulletin issued at 21:00 HKT 25/May/2018

N0 WARNING.

GENERAL SITUATION AT 250900 UTC:
A SOUTHWESTERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 251300 UTC:

HONG KONG= SW 4-5. ISOL SHOWERS. SEA UP TO 2 M. TEMP 28-33 C. =
KWANGTUNG= S TO SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TAIWAN STRAIT= SW 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. =
BASHI= SW 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. =
PRATAS= SW 4-5. ISOL SHOWERS. SEA UP TO 2 M. =
BALINTANG= SW 4-5. ISOL SHOWERS. SEA UP TO 2 M. =
SCARBOROUGH= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
PARACEL= S TO SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TONKIN= S 5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. =
DANANG= S 5. ISOL SHOWERS AND TS. SEA 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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    Bulletin issued at 03:30 HKT 26/May/2018

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 3:30 a.m. on 26 May 2018

    Weather Situation:
    A southwesterly airstream is affecting the south China coastal waters.

    Area forecasts for the next 24 hours

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

    Nan'ao and Shanwei:
    Southwest force 4 to 5.
    Moderate seas.

    South of Hong Kong:
    Southwest force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

    Shangchuan Dao:
    South to southwest force 4 to 5.
    Isolated showers and thunderstorms.
    Moderate seas.

    Outlook for the next 48 hours
    Southwesterly winds of force 4 to 5. Isolated showers and thunderstorms.

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

    Waglan Island Wind west-southwest force 5
      Visibility 50 Kilometres or above

    Huangmaozhou Wind west-southwest force 4

    Macau Wind south force 1
      Visibility 22 Kilometres

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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.

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