Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN ANTICYCLONE ALOFT IS BRINGING GENERALLY FINE
     WEATHER TO SOUTHERN CHINA
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  225/5-10
       OFFSHORE:  060/5-10                             28-32
   B.   2000 FT:  270/5-10                             24
   C.   5000 FT:  010/10                               20
   D.  10000 FT:  010/10                               14
   E.  18000 FT:  0/10                                 MS1
   F.  24000 FT:  0/10                                 MS12
   G.  30000 FT:  315/20                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY FINE,
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 4500 FT.
   K. VISIBILITY    : 8 KM
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : NIL.
   N. SEA STATE     : 1.0 M         SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT WINDS.
     MAINLY FINE WITH ISOLATED SHOWERS.=

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