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 :
     SHOWERS ARE AFFECTING GUANGDONG. MEANWHILE,
     PRESSURE OVER SOUTHEASTERN CHINA IS RISING. THE
     EASTERLY AIRSTREAM AFFECTING THE COAST OF
     GUANGDONG IS EXPECTED TO STRENGTHEN GRADUALLY
     OVERNIGHT.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  060/10
                  BECMG 090/10-15
       OFFSHORE:  060/10-15
                  BECMG 090/15-20, OCNL 25             22-18
   B.   2000 FT:  040/10-15
                  BECMG 090/20-25                      16
   C.   5000 FT:  270/10
                  BECMG 120/10                         14
   D.  10000 FT:  280/15                               7
   E.  18000 FT:  270/35                               MS5
   F.  24000 FT:  270/50                               MS18
   G.  30000 FT:  270/70                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1600-3400 FT
   I. WEATHER       : 
      CLOUDY WITH A FEW SHOWERS. LOCALISED MIST AT
      FIRST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 2000 FT BKN 7000 FT
   K. VISIBILITY    : 8 KM, TEMPO 3000 M IN SHOWERS/MIST.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 8000 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.0-3.5 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG EASTERLY WINDS. CLOUDY WITH
     ISOLATED SHOWERS.=

===================================================================
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
===================================================================

Aviation Weather Observation and Forecast Information for Hong Kong International Airport

To know more about clouds, please see Commonly observed clouds in Hong Kong.