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Weather Information for South China Coastal Waters

Bulletin issued at 01:02 HKT 28/Apr/2018

At 1 a.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 84 per cent.

The air temperatures at other places were:

King's Park 24 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 24 degrees;
Lau Fau Shan 23 degrees;
Tai Po 24 degrees;
Sha Tin 24 degrees;
Tuen Mun 23 degrees;
Tseung Kwan O 23 degrees;
Sai Kung 23 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 25 degrees;
Tsing Yi 25 degrees;
Shek Kong 24 degrees;
Tsuen Wan Ho Koon 23 degrees;
Tsuen Wan Shing Mun Valley 24 degrees;
Hong Kong Park 24 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 24 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 24 degrees;
Stanley 24 degrees;
Kwun Tong 23 degrees;
Sham Shui Po 25 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 24 degrees;
Tai Mei Tuk 23 degrees.

Between 11:45 p.m. and 0:45 a.m., the rainfall recorded in various regions were:

Tuen Mun 0 to 1 mm.

Note:

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

Climatological Information for 28 Apr

Marine Forecast

South China Coastal Waters

Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
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 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/5-10
       OFFSHORE:  080/10-15                            24-27
   B.   2000 FT:  100/10-15                            19
   C.   5000 FT:  135/10                               17
   D.  10000 FT:  310/10                               8
   E.  18000 FT:  260/10                               MS5
   F.  24000 FT:  260/25                               MS15
   G.  30000 FT:  250/35                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY.  ISOLATED SHOWERS.  LOCALIZED
      MIST/HAZE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT  SCT 4000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 3000 M IN MIST/HAZE/SHOWERS.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 8800 FT
   M. TURBULENCE    : MOD OFFSHORE AND  NEAR HILLS
   N. SEA STATE     : 1.0-2.0 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS.  SUNNY INTERVALS.=

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