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 :
     UPPER-AIR DISTURBANCE IS BRINGING UNSETTLED
     WEATHER TO SOUTHERN CHINA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  040/10-15
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  040/15-20                            16-20
   B.   2000 FT:  080/15-20                            15
   C.   5000 FT:  170/10                               13
   D.  10000 FT:  270/30                               7
   E.  18000 FT:  260/50                               MS6
   F.  24000 FT:  260/60                               MS16
   G.  30000 FT:  260/80                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1300-2400 FT
   I. WEATHER       : 
      CLOUDY WITH A FEW SHOWERS. ISOLATED
      THUNDERSTORMS AT FIRST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 2500 FT BKN 8000 FT
      TEMPO FEW CB 800 FT SCT 1200 FT BKN 4500 FT
   K. VISIBILITY    : 9 KM, TEMPO 3500 M IN SHOWERS, TEMPO 1500 M IN THUNDERSTORMS.
   L. 0 DEG. C LEVEL: 13500 FT      10 DEG. C LEVEL(S) : 8200 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS. MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHEASTERLY WINDS, OCCASIONALLY
     FRESH. CLOUDY WITH A FEW 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.