Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS. MEANWHILE, PRESSURE OVER
     THE NORTHERN PART OF SOUTHERN CHINA IS RISING.
     THE NORTHEAST MONSOON IS EXPECTED TO REACH THE
     COASTAL AREAS OF GUANGDONG AT NIGHT.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10-15
                  BECMG 030/10
       OFFSHORE:  090/20-25, OCNL 30 AT FIRST
                  BECMG 030/15-20                      19-24
   B.   2000 FT:  130/20-25
                  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       : 
      MAINLY CLOUDY WITH SUNNY PERIODS. ONE OR TWO
      LIGHT RAIN AND MIST PATCHES LATER.
   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 TO SEV 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.