Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB. 
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  080/20-25 OCNL 30                    16-19
   B.   2000 FT:  100/20 OCNL 25                       13
   C.   5000 FT:  150/15                               14
   D.  10000 FT:  270/25                               7
   E.  18000 FT:  280/40                               MS7
   F.  24000 FT:  270/50                               MS20
   G.  30000 FT:  280/70                               MS36
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2100-3400 FT
   I. WEATHER       : 
      CLOUDY TO OVERCAST WITH SHOWERS AND A FEW
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 2500 FT BKN 8000 FT
      TEMPO FEW CB 800 FT SCT 1500 FT BKN 5000 FT
   K. VISIBILITY    : 8 KM, TEMPO 3000 M IN SHOWERS, TEMPO 1500 M IN THUNDERSTORMS.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 6800 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS, OFFSHORE AND  NEAR HILLS.
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG EAST TO NORTHEASTERLY WINDS.
     CLOUDY TO OVERCAST WITH SHOWERS AND A FEW
     THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES
     LATER.=

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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.