Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
     AT 4 P.M., SEVERE TYPHOON SURIGAE WAS CENTRED
     NEAR 20.5 DEGREES NORTH, 125.6 DEGREES EAST AND
     IS FORECAST TO MOVE NORTHEAST OR NORTH-NORTHEAST
     AT ABOUT 10 KNOTS ACROSS THE SEAS SOUTH OF THE
     RYUKYU ISLANDS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  VRB/5
       OFFSHORE:  120/5-10                             27-23
   B.   2000 FT:  160/5-10                             22
   C.   5000 FT:  310/10                               18
   D.  10000 FT:  310/15                               8
   E.  18000 FT:  310/25                               MS3
   F.  24000 FT:  310/50                               MS15
   G.  30000 FT:  280/40                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1900-2600 FT
   I. WEATHER       : 
      FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW  3000 FT
   K. VISIBILITY    : 10 KM
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 9000 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT WINDS. FINE.=

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