WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 09/AUG/2022
(Next update at 01:30 HKT 10/AUG/2022)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     SEV TURB AND SEV GUSTS.  GALE FORCE WINDS. ISOL
     CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     TROPICAL DEPRESSION OVER THE CENTRAL PART OF
     SOUTH CHINA SEA HAS INTENSIFIED INTO A TROPICAL
     STORM AND WAS NAMED MULAN.
     AT 4 P.M. MULAN WAS CENTRED NEAR 17.6 DEGREES
     NORTH 113.0 DEGREES EAST AND IS FORECAST TO MOVE
     NORTH AT ABOUT 10 KNOTS TOWARDS THE VICINITY OF
     WESTERN GUANGDONG AND HAINAN ISLAND, AND
     INTENSIFY GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  090/20-25G35
                  TEMPO 090/35G45 IN TS
       OFFSHORE:  090/25-30, OCNL 35G45                27-25
   B.   2000 FT:  100/30-35, OCNL 40G50                23
   C.   5000 FT:  120/45                               18
   D.  10000 FT:  120/30                               12
   E.  18000 FT:  120/25                               MS3
   F.  24000 FT:  130/10                               MS12
   G.  30000 FT:  140/20                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY TO OVERCAST WITH HEAVY SQUALLY SHOWERS
      AND THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT 
      TEMPO FEW CB 1000 FT SCT 2000 FT BKN 4000 FT.
   K. VISIBILITY    : 10 KM, TEMPO 2500 M IN SHOWERS, TEMPO 1000 M IN TS.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 11400 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 4.0-6.5 M     SEA TEMPERATURE    : 26 DEG
IV.  FURTHER OUTLOOK: 
     STRONG EAST TO SOUTHEASTERLY WINDS, GALE
     OFFSHORE AND ON HIGH GROUND AT FIRST.
     CLOUDY TO OVERCAST WITH HEAVY SQUALLY SHOWERS
     AND 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.


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