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Bulletin issued at 01:02 HKT 04/Apr/2018

At 1 a.m. at the Hong Kong Observatory the air temperature was 23 degrees Celsius and the relative humidity 83 per cent.

The air temperatures at other places were:

King's Park 22 degrees;
Wong Chuk Hang 21 degrees;
Ta Kwu Ling 21 degrees;
Lau Fau Shan 21 degrees;
Tai Po 21 degrees;
Sha Tin 21 degrees;
Tuen Mun 22 degrees;
Tseung Kwan O 20 degrees;
Sai Kung 21 degrees;
Cheung Chau 21 degrees;
Chek Lap Kok 23 degrees;
Tsing Yi 22 degrees;
Shek Kong 20 degrees;
Tsuen Wan Ho Koon 20 degrees;
Tsuen Wan Shing Mun Valley 21 degrees;
Hong Kong Park 22 degrees;
Shau Kei Wan 21 degrees;
Kowloon City 22 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 22 degrees;
Stanley 22 degrees;
Kwun Tong 22 degrees;
Sham Shui Po 23 degrees;
Kai Tak Runway Park 22 degrees;
Yuen Long Park 22 degrees;
Tai Mei Tuk 22 degrees.

Note:

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

Climatological Information for 4 Apr

Local Weather Forecast

Current Weather | Regional Temperature Forecast in HK |  9-day Weather Forecast
UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 00:45 HKT 04/Apr/2018

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

A ridge of high pressure covered the coast of southeastern China yesterday. Locally, the weather was fine. It was hot and dry during the day and temperatures in many places rose to around 29 degrees. The ridge of high pressure will continue to bring generally fine and hot weather to the coast of southeastern China today and tomorrow.

Weather forecast for Hong Kong

Mainly fine. The minimum temperature will be about 22 degrees. Hot and dry during the day with a maximum temperature of around 29 degrees. Light to moderate southeasterly winds.

Outlook : Hot during the day on Ching Ming Festival. Temperatures falling significantly with a few showers later on Friday. Cool in the morning over the weekend.

(The above forecast period is valid up to 23:59 HKT today, 04/04/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Marine Forecast

Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A RIDGE OF HIGH PRESSURE IS BRINGING GENERALLY
     FINE WEATHER TO THE COAST OF SOUTHEASTERN CHINA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  120/5-10
       OFFSHORE:  120/10                               22-28
   B.   2000 FT:  150/10-15                            21
   C.   5000 FT:  120/10                               16
   D.  10000 FT:  340/10                               9
   E.  18000 FT:  270/25                               MS4
   F.  24000 FT:  260/35                               MS16
   G.  30000 FT:  260/40                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      FINE. LOCALISED MIST IN THE MORNING.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000M IN MIST.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 9000 FT
   M. TURBULENCE    : NIL.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE SOUTHEASTERLY WINDS.  MAINLY FINE.=

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

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.

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