Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A BAND OF CLOUDS IS COVERING THE COAST OF
     SOUTHERN CHINA. MEANWHILE, PRESSURE IS RISING
     OVER CENTRAL CHINA. AN INTENSE WINTER MONSOON IS
     EXPECTED TO REACH THE COAST OF GUANGDONG
     TOMORROW.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  040/5-10
       OFFSHORE:  040/10-15                            22-17
   B.   2000 FT:  080/10                               13
   C.   5000 FT:  250/15                               13
   D.  10000 FT:  280/15                               5
   E.  18000 FT:  240/40                               MS7
   F.  24000 FT:  210/40                               MS18
   G.  30000 FT:  240/75                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW RAIN PATCHES.
      LOCALISED MIST/HAZE. SUNNY INTERVALS IN THE
      AFTERNOON.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN RAIN/MIST/HAZE
   L. 0 DEG. C LEVEL: 13500 FT      10 DEG. C LEVEL(S) : 7400 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHEASTERLY WINDS.
     MAINLY CLOUDY.=

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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
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Aviation Weather Observation and Forecast Information for Hong Kong International Airport

To know more about clouds, please see Commonly observed clouds in Hong Kong.