Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A COLD FRONT HAS FORMED OVER THE NORTHERN PART
     OF SOUTHERN CHINA, AND IS MOVING SOUTHWARDS
     GRADUALLY. IT IS EXPECTED TO REACH THE COASTAL
     AREAS OF GUANGDONG TONIGHT.
     
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10
                  BECMG 020/10
       OFFSHORE:  090/15-20
                  BECMG 030/15-20                      24-19
   B.   2000 FT:  130/10-15
                  BECMG 040/15-20                      15
   C.   5000 FT:  230/5                                11
   D.  10000 FT:  260/30                               5
   E.  18000 FT:  280/55                               1
   F.  24000 FT:  290/70                               MS14
   G.  30000 FT:  300/60                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1900-2200 FT
   I. WEATHER       : 
      SUNNY PERIODS IN THE AFTERNOON. MAINLY CLOUDY
      WITH ONE OR TWO LIGHT RAIN PATCHES TONIGHT.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT.
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 18500 FT      10 DEG. C LEVEL(S) : 5600 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 3.0-4.5 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHERLY WINDS. MAINLY
     CLOUDY. ONE OR TWO LIGHT RAIN AND MIST PATCHES.=

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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
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Aviation Weather Observation and Forecast Information for Hong Kong International Airport

To know more about clouds, please see Commonly observed clouds in Hong Kong.