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 WINTER MONSOON IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
     BESIDES, THE AREA OF LOW PRESSURE NEAR THE
     SOUTHERN PART OF THE PHILIPPINES HAS INTENSIFIED
     INTO A TROPICAL DEPRESSION. AT 5 A.M., THE
     TROPICAL DEPRESSION WAS LOCATED AT 10.4 DEGREES
     NORTH, 117.2 DEGREES EAST. IT IS FORECAST TO
     MOVE WEST-NORTHWEST AT ABOUT 8 KNOTS ACROSS THE
     SOUTHERN PART OF THE SOUTH CHINA SEA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0530 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  360/15-20
       OFFSHORE:  360/20-25, ONCL 30                   11-16
   B.   2000 FT:  010/20-25, ONCL 30                   10
   C.   5000 FT:  040/10                               12
   D.  10000 FT:  240/15                               8
   E.  18000 FT:  260/30                               MS5
   F.  24000 FT:  270/40                               MS12
   G.  30000 FT:  240/40                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3600-4900 FT
   I. WEATHER       : 
      CLOUDY PERIODS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      SCT 4000 FT
   K. VISIBILITY    : 10 KM
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 2000, 4000, 6200 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     FRESH NORTHERLY WINDS, OCCASIONALLY STRONG
     OFFSHORE AND ON HIGH GROUND.
     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.