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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 17/JUL/2019
(Next update at 01:30 HKT 18/JUL/2019)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     WINDS ARE WEAK OVER THE COAST OF GUANGDONG.
     MEANWHILE, A BROAD AREA OF CLOUDS IS BRINGING
     UNSETTLED WEATHER TO THE SEAS WEST OF LUZON.
     AT 4 P.M., TROPICAL DEPRESSION DANAS WAS
     CENTERED AT 19.6 DEGREES NORTH, 124.0 DEGREES
     EAST. IT IS FORECAST TO MOVE NORTH AT ABOUT 12
     KNOTS TOWARDS THE VICINITY OF TAIWAN.
     
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  250/5-10
                  TEMPO VRB/20G30 IN TS
       OFFSHORE:  250/10-15                            33-29
   B.   2000 FT:  320/10                               26
   C.   5000 FT:  020/15                               21
   D.  10000 FT:  040/20                               14
   E.  18000 FT:  060/25                               0
   F.  24000 FT:  070/25                               MS13
   G.  30000 FT:  080/30                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY AND LOCALIZED HAZE.  A FEW
      SHOWERS AND SQUALLY THUNDERSTORMS
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT.
      TEMPO FEW CB 1000 FT SCT 1500 FT BKN 4000 FT.
      
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN HAZE. TEMPO 3500 M IN SHOWERS. TEMPO 2500 M IN TS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 12400 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE WESTERLY WINDS. SUNNY PERIODS
     AND LOCALIZED HAZE. A FEW SHOWERS AND SQUALLY
     THUNDERSTORMS.=
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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.