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.
     SEVERE TYPHOON VAMCO WEAKENED INTO A TYPHOON
     LAST NIGHT.
     AT 11 P.M. LAST NIGHT, VAMCO WAS LOCATED AT 16.4
     DEGREES NORTH, 108.9 DEGREES EAST. IT IS
     FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 10
     KNOTS TOWARDS THE CENTRAL PART OF VIETNAM.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  050/10
       OFFSHORE:  080/15-20, OCNL 25                   21-24
   B.   2000 FT:  080/20-25                            17
   C.   5000 FT:  120/25                               16
   D.  10000 FT:  140/10                               9
   E.  18000 FT:  220/15                               MS5
   F.  24000 FT:  240/15                               MS15
   G.  30000 FT:  230/30                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2800 - 3500 FT
   I. WEATHER       : 
      MAINLY CLOUDY. A FEW RAIN PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT  SCT 4500 FT  BKN 10000 FT
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN RAIN
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 10200 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY WINDS,
     OCCASIONALLY STRONG OFFSHORE. SUNNY INTERVALS
     DURING THE DAY.=

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