Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS, SEV TURB AND SEV GUSTS.
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT 8 A.M., TROPICAL STORM LUPIT WAS CENTRED NEAR
     23.0 DEGREES NORTH, 116.9 DEGREES EAST AND IS
     FORECAST TO MOVE NORTHWEST AT ABOUT 6 KNOTS
     EDGING CLOSER TO THE VICINITY OF THE COAST OF
     EASTERN GUANGDONG AND FUJIAN.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  260/15
                  TEMPO VRB/15G30 IN TS
       OFFSHORE:  260/25G35                            28-31
   B.   2000 FT:  300/25G35                            23
   C.   5000 FT:  300/20                               19
   D.  10000 FT:  310/15                               13
   E.  18000 FT:  330/20                               0
   F.  24000 FT:  020/15                               MS10
   G.  30000 FT:  030/20                               MS20
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY WITH OCCASIONAL HEAVY SQUALLY SHOWERS
      AND THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 2500 FT BKN 8000 FT. 
      TEMPO FEW CB 800 FT SCT 1500 FT BKN 4000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 2500 M IN SHOWERS. TEMPO 1500 M IN TS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 11600 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     FRESH WEST TO SOUTHWESTERLY WINDS, STRONG
     OFFSHORE AND ON HIGH GROUND.
     CLOUDY WITH OCCASIONAL HEAVY 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.