Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     SEV TURB AND SEV GUSTS.  STORM FORCE WINDS. ISOL
     CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     TYPHOON HIGOS HAS WEAKENED INTO A SEVERE
     TROPICAL STORM. AT 10 A.M., HIGOS WAS LOCATED AT
     22.4 DEGREES NORTH, 112.8 DEGREES EAST. IT IS
     FORECAST TO MOVE NORTHWEST OR WEST-NORTHWEST AT
     ABOUT 14 KNOTS INLAND AND WEAKEN GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1020 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  150/40-45G55, 50G60 IN WEST
                  BECMG 150/20-25
                  TEMPO VRB/45G55 IN TS
       OFFSHORE:  160/40-45G55, 50G60 IN WEST
                  BECMG 150/20-25                      25-29
   B.   2000 FT:  160/40-45G55, 50G60 IN WEST
                  BECMG 160/20-25                      23
   C.   5000 FT:  160/40-45, 50 IN WEST
                  BECMG 160/20-25                      19
   D.  10000 FT:  160/40-45, 50 IN WEST
                  BECMG 160/20-25                      10
   E.  18000 FT:  160/35-40
                  BECMG 160/20-25                      MS2
   F.  24000 FT:  140/30-35
                  BECMG 140/20-25                      MS11
   G.  30000 FT:  130/30-35
                  BECMG 130/20-25                      MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY WITH HEAVY SQUALLY SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1200 FT SCT 2500 FT. 
      TEMPO FEW CB 800 FT SCT 2000 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM, TEMPO 2500 M IN SHOWERS, 
                      TEMPO 1000 M IN TS.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 9800 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 6.0-10.0 M    SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG SOUTHEASTERLY WINDS.  CLOUDY
     WITH 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.