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 :
     A STRONG NORTHEAST MONSOON IS AFFECTING THE
     SOUTH CHINA COAST. MEANWHILE, A BAND OF CLOUDS
     IS COVERING THE REGION.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/15 OCNL 20
                  BECMG 090/10-15
       OFFSHORE:  090/20-25
                  BECMG 090/15-20                      22-20
   B.   2000 FT:  110/20-25
                  BECMG 160/20-25                      16
   C.   5000 FT:  210/25                               15
   D.  10000 FT:  260/30                               9
   E.  18000 FT:  250/30                               MS4
   F.  24000 FT:  290/40                               MS17
   G.  30000 FT:  300/70                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3600-4600 FT
   I. WEATHER       : 
      CLOUDY WITH WITH A FEW RAIN AND MIST PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 3000 FT
   K. VISIBILITY    : 10 KM, TEMPO 3000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 9800 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS. CLOUDY WITH
     WITH A FEW RAIN /MIST PATCHES. SUNNY INTERVALS
     DURING THE DAY.=

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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.