Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A BAND OF CLOUDS IS COVERING GUANGDONG.
     MEANWHILE, PRESSURE IS RISING OVER THE NORTHERN
     PART OF SOUTHERN CHINA. THE NORTHEAST MONSOON IS
     EXPECTED TO REACH THE COASTAL AREAS TOMORROW
     MORNING.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  040/5-10
       OFFSHORE:  040/15-20                            22-16
   B.   2000 FT:  060/10-15 OCNL 20                    16
   C.   5000 FT:  040/10                               14
   D.  10000 FT:  260/20                               7
   E.  18000 FT:  230/50                               MS8
   F.  24000 FT:  250/60                               MS19
   G.  30000 FT:  250/70                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW LIGHT RAIN PATCHES.
      LOCALISED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT BKN 5000 FT
   K. VISIBILITY    : 7 KM. TEMPO 3500 M IN RAIN / MIST.
   L. 0 DEG. C LEVEL: 14000, 14500, 15000 FT  10 DEG. C LEVEL(S) : 8400 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTH TO NORTHEASTERLY WINDS, FRESH
     OFFSHORE. MAINLY CLOUDY WITH A FEW LIGHT 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.