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 :
     THE NORTHEAST MONSOON IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
     AT 4 P.M., TROPICAL DEPRESSION PHANFONE WAS
     CENTRED AT 14.5 DEGREES NORTH, 113.5 DEGREES
     EAST. IT IS FORECAST TO MOVE WEST AT ABOUT 8
     KNOTS ACROSS THE CENTRAL PART OF THE SOUTH CHINA
     SEA AND DISSIPATE GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  060/10
       OFFSHORE:  080/15-20, OCNL 25                   20-16
   B.   2000 FT:  090/15-20, OCNL 25                   13
   C.   5000 FT:  140/15                               14
   D.  10000 FT:  210/20                               10
   E.  18000 FT:  230/25                               MS6
   F.  24000 FT:  240/45                               MS17
   G.  30000 FT:  240/60                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2900 - 5000 FT
   I. WEATHER       : 
      MAINLY FINE. BECOMING CLOUDY WITH A FEW RAIN
      PATCHES TONIGHT.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3500 FT. TEMPO FEW 2500 FT SCT 6000 FT.
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 2400,3600,8400 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND  NEAR HILLS.
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EAST TO NORTHEASTERLY WINDS. CLOUDY
     WITH SHOWERS. ISOLATED THUNDERSTORMS 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.