Gregorian/Lunar Calendar
Traditional Chinese Simplified Chinese

Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 15/AUG/2018
(Next update at 01:30 HKT 16/AUG/2018)
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 :
     SHOWERS ASSOCIATED WITH TROPICAL CYCLONE BEBINCA
     ARE AFFECTING THE COAST OF GUANGDONG AND THE
     NORTHERN PART OF THE SOUTH CHINA SEA.
     AT 4 P.M., SEVERE TROPICAL STORM BEBINCA WAS
     CENTRED NEAR 21.0 DEGREES NORTH, 111.3 DEGREES
     EAST AND IS FORECAST TO MOVE WEST AT ABOUT 5
     KNOTS GENERALLY TOWARDS THE VICINITY OF LEIZHOU
     PENINSULA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  120/10-15
                  TEMPO VRB/20G30 IN TS
       OFFSHORE:  120/20-25                            30-27
   B.   2000 FT:  140/20-25                            23
   C.   5000 FT:  150/20                               19
   D.  10000 FT:  140/20                               12
   E.  18000 FT:  150/15                               1
   F.  24000 FT:  160/15                               MS10
   G.  30000 FT:  140/15                               MS23
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH OCCASIONAL SQUALLY SHOWERS
      AND ISOLATED THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT.  
      TEMPO FEW CB 800 FT SCT 1500 FT  BKN 4000 FT.
   K. VISIBILITY    : 9 KM.  TEMPO 3000 M IN SHOWERS.  TEMPO 1500 M IN TS.
   L. 0 DEG. C LEVEL: 18500 FT      10 DEG. C LEVEL(S) : 11000 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 3.0-4.0 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH SOUTH TO SOUTHEASTERLY WINDS.
     MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND
     ISOLATED THUNDERSTORMS.=
===================================================================
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.