Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS, SEV TURB AND SEV GUSTS.  
     GALE FORCE WINDS ON HIGH GROUNDS. 
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT 9 A.M., TROPICAL STORM NURI WAS CENTRED NEAR
     21.6 DEGREES NORTH 112.1 DEGREES EAST. IT IS
     FORECAST TO MOVE NORTHWEST AT ABOUT 12 KNOTS
     TOWARDS THE COAST OF WESTERN GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  150/15-20
                  TEMPO 150/20G35 IN TS
       OFFSHORE:  160/25-30                            27-30
   B.   2000 FT:  180/30-35G40                         23
   C.   5000 FT:  180/30-35                            18
   D.  10000 FT:  160/30                               12
   E.  18000 FT:  140/25                               1
   F.  24000 FT:  120/25                               MS11
   G.  30000 FT:  120/20                               MS22
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY. 
      OCCASIONAL SQUALLY SHOWERS AND THUNDERSTORMS. 
      SUNNY INTERVALS LATER.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT.
      TEMPO FEW CB 1000 FT  SCT 1500 FT BKN 4000 FT.
   K. VISIBILITY    : 10 KM.  TEMPO 3000M IN SHOWERS. TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 18500 FT      10 DEG. C LEVEL(S) : 12800 FT
   M. TURBULENCE    : SEV
   N. SEA STATE     : 3.0-4.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG SOUTH TO SOUTHEASTERLY WINDS. 
     MAINLY CLOUDY. 
     OCCASIONAL SQUALLY SHOWERS AND 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.