Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     SEV TURB AND SEV GUSTS.  GALE FORCE WINDS. 
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT NOON, TROPICAL STORM LIONROCK WAS LOCATED AT
     17.9 DEGREES NORTH, 110.7 DEGREES EAST.  IT IS
     FORECAST TO MOVE NORTH AT ABOUT 5 KNOTS TOWARDS
     THE VICINITY OF HAINAN ISLAND.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  090/20-25G35
                  TEMPO 110/25G35 IN TS
       OFFSHORE:  120/30-35G45                         27-25
   B.   2000 FT:  130/30-35G45                         23
   C.   5000 FT:  100/40                               18
   D.  10000 FT:  110/45                               11
   E.  18000 FT:  110/35                               MS3
   F.  24000 FT:  120/40                               MS12
   G.  30000 FT:  140/30                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      CLOUDY WITH HEAVY RAIN, SQUALLS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT
      TEMPO FEW CB 1000 FT SCT 1500 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM, TEMPO 2000 M IN RAIN,
TEMPO 1000 M IN TS.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 10600 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 5.5-7.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     STRONG EASTERLY WINDS, OCCASIONALLY GALES
     OFFSHORE AND ON HIGH GROUND.
     CLOUDY TO OVERCAST WITH HEAVY RAIN, SQUALLS AND
     THUNDERSTORMS.=

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