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Weather Forecast for Local Aviation

Bulletin issued at 09:00 HKT 30/APR/2016
(Next update at 17:30 HKT 30/APR/2016)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB. 
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/15, OCNL 20
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  090/20-25                            23-27
   B.   2000 FT:  110/20-25                            20
   C.   5000 FT:  180/20                               17
   D.  10000 FT:  240/20                               9
   E.  18000 FT:  270/30                               MS6
   F.  24000 FT:  270/40                               MS16
   G.  30000 FT:  280/55                               MS31
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1800 - 2200 FT
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW SHOWERS. A FEW
      ISOLATED THUNDERSTORMS OVER INLAND LATER.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 5000 FT TEMPO FEW CB 800 FT SCT
      1200 FT BKN 5000 FT
   K. VISIBILITY    : 7 KM.  TEMPO 4000M IN SHOWERS. TEMPO 2000 M IN TS
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 8600 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 22 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO SOUTHEASTERLY  WINDS.
     MAINLY CLOUDY WITH A FEW SHOWERS.=
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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.