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 :
     THUNDERY SHOWERS ASSOCIATED WITH A COLD FRONT
     ARE AFFECTING INLAND GUANGDONG. THE COLD FRONT
     IS EXPECTED TO MOVE ACROSS THE SOUTH CHINA
     COASTAL AREAS TONIGHT TO TOMORROW MORNING.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  140/5-10 TEMPO VRB/20G30 IN TS
       OFFSHORE:  150/10-15                            26-22
   B.   2000 FT:  160/10-15                            19
   C.   5000 FT:  200/25                               17
   D.  10000 FT:  250/25                               7
   E.  18000 FT:  240/40                               MS9
   F.  24000 FT:  270/45                               MS18
   G.  30000 FT:  270/85                               MS23
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2000-2300 FT
   I. WEATHER       : 
      MAINLY CLOUDY. ISOLATED SQUALLY SHOWERS AND
      THUNDERSTORMS. MIST PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 3000 FT TEMPO FEW CB 500 FT SCT
      2000 BKN 4000 FT
   K. VISIBILITY    : 8 KM, TEMPO 2500 M IN SHOWERS/THUNDERSTORMS, TEMPO 4000 M IN MIST.
   L. 0 DEG. C LEVEL: 13000 FT      10 DEG. C LEVEL(S) : 8600 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTHEASTERLY WINDS, FRESH
     NORTHEASTERLIES LATER. MAINLY CLOUDY. ISOLATED
     SQUALLY SHOWERS AND THUNDERSTORMS. MIST PATCHES.=

===================================================================
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.