Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     SEV TURB. ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING GUANGDONG.
     TROPICAL STORM NOUL HAS WEAKENED INTO A TROPICAL
     DEPRESSION. AT 11 P.M. LAST NIGHT, NOUL WAS
     LOCATED AT 16.4 DEGREES NORTH, 103.6 DEGREES
     EAST. IT IS FORECAST TO MOVE WEST AT ABOUT 15 KT
     ACROSS INDOCHINA PENINSULA AND WEAKEN GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  100/15-20
                  TEMPO VRB/25G35 IN TS
       OFFSHORE:  120/20-25                            26-31
   B.   2000 FT:  110/25-30                            24
   C.   5000 FT:  130/25-30                            19
   D.  10000 FT:  140/25-30                            13
   E.  18000 FT:  140/20                               0
   F.  24000 FT:  130/15-20                            MS12
   G.  30000 FT:  090/10                               MS23
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
      SQUALLY THUNDERSTORMS. SHOWERS WILL BE HEAVY AT
      TIMES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT
      TEMPO FEW CB 1000 FT SCT 2000 FT BKN 3500 FT
   K. VISIBILITY    : 10 KM, TEMPO 3000 M IN SHOWERS. TEMPO 1500 M IN TS
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO SOUTHEASTERLY WINDS.
     MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND A FEW
     SQUALLY THUNDERSTORMS. SHOWERS WILL BE HEAVY AT
     TIMES.=

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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.