Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     GALE FORCE WINDS. SEV TURB AND SEV GUSTS. ISOL
     CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE TROPICAL DEPRESSION NEAR HAINAN ISLAND HAS
     BEEN NAMED SINLAKU. 
     AT 4 P.M., SINLAKU WAS LOCATED NEAR 18.3 DEGREES
     NORTH, 109.5 DEGREES EAST. IT IS FORECAST TO
     MOVE WEST OR WEST-NORTHWEST AT ABOUT 12 KNOTS
     SKIRTING THE SOUTHERN COAST OF HAINAN ISLAND
     TOWARDS BEIBU WAN.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1600 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  100/20-25G35
                  TEMPO 120/25G35 IN TS
       OFFSHORE:  120/30-35G50                         28-27
   B.   2000 FT:  120/30-35G50                         23
   C.   5000 FT:  120/45                               19
   D.  10000 FT:  130/45                               12
   E.  18000 FT:  140/20                               0
   F.  24000 FT:  120/25                               MS10
   G.  30000 FT:  120/25                               MS21
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY WITH SQUALLY SHOWERS, SHOWERS WILL BE
      HEAVY AT TIMES. ISOLATED THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT BKN 6000 FT TEMPO FEW
      CB 800 FT SCT 2000 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM, TEMPO 2000 M IN SHOWERS, TEMPO 1000 M IN TS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 11400 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 5.5-7.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG EAST TO SOUTHEASTERLY WINDS,
     OCCASIONALLY GALE OFFSHORE AND ON HIGH GROUND.
     CLOUDY WITH OCCASIONAL SQUALLY SHOWERS AND A FEW
     THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES.=

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