Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT NOON, THE TROPICAL DEPRESSION NEAR TAIWAN
     STRAIT WAS CENTRED NEAR 23.4 DEGREES NORTH,
     119.9 DEGREES EAST AND IS FORECAST TO MOVE
     NORTH-NORTHWEST AT ABOUT 10 KNOTS IN THE GENERAL
     DIRECTION OF THE COAST OF SOUTHEASTERN CHINA.
     MEANWHILE, THE TROPICAL DEPRESSION OVER THE
     CENTRAL PART OF THE SOUTH CHINA SEA WAS CENTRED
     NEAR 15.8 DEGREES NORTH, 112.0 DEGREES EAST AND
     IS FORECAST TO BE SLOW MOVING AT FIRST, AND THEN
     MOVE NORTH-NORTHWEST  AT ABOUT 5 KNOTS TOWARDS
     THE VICINITY OF HAINAN ISLAND.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  100/10-15
       OFFSHORE:  100/10-15, OCNL 20                   33-27
   B.   2000 FT:  120/20                               24
   C.   5000 FT:  120/25                               19
   D.  10000 FT:  120/20                               12
   E.  18000 FT:  120/15                               0
   F.  24000 FT:  130/20                               MS10
   G.  30000 FT:  110/25                               MS23
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW SQUALLY SHOWERS AND
      ISOLATED THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 3000 FT 
      TEMPO FEW CB 1000 FT SCT 2000 FT BKN 4000FT
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. TEMPO 2000M IN TS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 11200 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS. MOD OFFSHORE AND  NEAR HILLS.
   N. SEA STATE     : 1.0-2.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH SOUTHEASTLY WINDS.
     CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND
     ISOLATED THUNDERSTORMS.=

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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.