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 :
     A BROAD BAND OF CLOUDS IS BRINGING RAINY WEATHER
     TO SOUTHERN CHINA. MEANWHILE, AN INTENSE WINTER
     MONSOON IS EXPECTED TO REACH THE SOUTH CHINA
     COASTAL AREAS AT NIGHT.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  020/10-15
       OFFSHORE:  020/15-20, OCNL 25                   15-18
   B.   2000 FT:  060/15-20, OCNL 25                   15
   C.   5000 FT:  210/15                               18
   D.  10000 FT:  240/25                               7
   E.  18000 FT:  250/35                               MS5
   F.  24000 FT:  260/36                               MS16
   G.  30000 FT:  250/35                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2600-5000 FT
   I. WEATHER       : 
      CLOUDY TO OVERCAST WITH A FEW RAIN PATCHES.
      LOCALISED MIST.
      LOCALISED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 500 FT SCT 1500 FT BKN 6000 FT
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN RAIN OR MIST
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 8400 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.5 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG NORTHERLY WINDS, OCCASIONALLY
     GALE OFFSHORE AND ON HIGH GROUND.
     CLOUDY TO OVERCAST WITH A FEW RAIN PATCHES.
     LOCALISED MIST.=

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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.