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 1 A.M., SEVERE TYPHOON SURIGAE WAS CENTRED
     NEAR 19.2 DEGREES NORTH, 124.7 DEGREES EAST AND
     IS FORECAST TO MOVE NORTH SLOWLY AT FIRST,
     ACROSS THE SEAS EAST OF THE PHILIPPINES AND THEN
     TURN NORTHEASTWARDS LATER.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  110/5-10
       OFFSHORE:  100/10-15                            22-29
   B.   2000 FT:  120/10-15                            19
   C.   5000 FT:  220/5                                17
   D.  10000 FT:  280/15                               9
   E.  18000 FT:  280/25                               MS1
   F.  24000 FT:  270/30                               MS13
   G.  30000 FT:  260/35                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2700-3100 FT
   I. WEATHER       : 
      FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT.
   K. VISIBILITY    : 9 KM
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 9400 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 24 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE EASTERLY WINDS. FINE.=

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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.