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Weather Forecast for Local Aviation

Bulletin issued at 09:30 HKT 23/JAN/2018
(Next update at 17:30 HKT 23/JAN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
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 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
       OFFSHORE:  090/15-20 OCNL 25                    17-23
   B.   2000 FT:  090/15-20                            15
   C.   5000 FT:  280/10                               13
   D.  10000 FT:  270/25                               0
   E.  18000 FT:  280/35                               MS2
   F.  24000 FT:  310/45                               MS13
   G.  30000 FT:  310/45                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2500-2900 FT
   I. WEATHER       : 
      MAINLY FINE. LOCALISED MIST/HAZE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT
   K. VISIBILITY    : 7 KM.  TEMPO 4000 M IN MIST/HAZE.
   L. 0 DEG. C LEVELS: 10000,16000,17000 FT  10 DEG. C LEVEL(S) : 6200 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE.  MOD NEAR HILLS.
   N. SEA STATE     : 2.0-3.5 M     SEA TEMPERATURE    : 18 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, OCCASIONALLY
     STRONG OFFSHORE. MAINLY 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.