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 :
     THE NORTHEAST MONSOON IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS. MEANWHILE, AN INTENSE
     WINTER MONSOON IS EXPECTED TO REACH THE SOUTH
     CHINA COASTAL AREAS ON FRIDAY NIGHT.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  020/10-15
       OFFSHORE:  020/15-20, OCNL 25                   15-17
   B.   2000 FT:  060/15-20, OCNL 25                   13
   C.   5000 FT:  170/20                               15
   D.  10000 FT:  230/25                               7
   E.  18000 FT:  250/40                               MS3
   F.  24000 FT:  240/35                               MS16
   G.  30000 FT:  260/40                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1700-2600 FT, 3600-5000 FT
   I. WEATHER       : 
      CLOUDY TO OVERCAST WITH A FEW RAIN PATCHES.
      LOCALISED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 600 FT SCT 1500 FT BKN 3500 FT
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN RAIN OR MIST
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 8400 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG NORTH TO NORTHEASTERLY WINDS,
     OCCASIONALLY GALE OFFSHORE AND ON HIGH GROUND.
     CLOUDY TO OVERCAST WITH A FEW RAIN PATCHES.
     LOCALISED MIST.=

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