Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     SEV TURB AND SEV GUSTS.  
     GALE FORCE WINDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
     TYPHOON SAUDEL HAS WEAKENED INTO A SEVERE
     TROPICAL STORM.
     AT 7 A.M., SAUDEL WAS LOCATED AT 17.9 DEGREES
     NORTH, 113.3 DEGREES EAST. IT IS FORECAST TO
     MOVE WEST AT ABOUT 6 KNOTS ACROSS THE CENTRAL
     PART OF THE SOUTH CHINA SEA AND TOWARDS THE
     VICINITY OF HAINAN ISLAND AND THE CENTRAL PART
     OF VIETNAM.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0700 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  060/15-20, OCNL 25
       OFFSHORE:  060/25-30, OCNL 35                   22-26
   B.   2000 FT:  060/25-30, OCNL 35                   18
   C.   5000 FT:  100/35                               15
   D.  10000 FT:  090/20                               10
   E.  18000 FT:  080/15                               0
   F.  24000 FT:  090/10                               MS13
   G.  30000 FT:  190/10                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      4700-5000 FT
   I. WEATHER       : 
      MAINLY CLOUDY WITH ISOLATED SHOWERS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 4000 FT SCT 6000 FT
   K. VISIBILITY    : 10 KM, TEMPO 4000 M IN SHOWERS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 3.0-6.0 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG EAST TO NORTHEASTERLY WINDS,
     OCCASIONALLY GALES OFFSHORE AND ON HIGH GROUND
     AT FIRST. 
     MAINLY CLOUDY WITH LIGHT RAIN.=

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