WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 09:30 HKT 11/AUG/2022
(Next update at 12:30 HKT 11/AUG/2022)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS, SEV TURB AND SEV GUSTS. 
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     TROPICAL STORM MULAN HAS WEAKENED INTO A
     TROPICAL DEPRESSION.
     AT 8 A.M., MULAN WAS CENTRED NEAR 21.4 DEGREES
     NORTH 107.2 DEGREES EAST AND IS FORECAST TO MOVE
     WEST-NORTHWEST AT ABOUT 10 KNOTS ENTERING INTO
     THE INLAND AREAS OF THE NORTHERN PART OF VIETNAM
     AND WEAKENING GRADUALLY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  130/10
                  TEMPO VRB/15G30 IN TS
       OFFSHORE:  130/20-25                            26-31
   B.   2000 FT:  160/25G35                            25
   C.   5000 FT:  160/20                               18
   D.  10000 FT:  150/25                               13
   E.  18000 FT:  120/25                               MS2
   F.  24000 FT:  090/25                               MS11
   G.  30000 FT:  030/20                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH OCCASIONAL SHOWERS AND
      SQUALLY THUNDERSTORMS. SHOWERS WILL BE HEAVY AT
      TIMES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT BKN 6000 FT
      TEMPO FEW CB 800 FT SCT 1500 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM, TEMPO 2500 M IN SHOWERS, TEMPO 1000 M IN TS.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 11200 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH SOUTHEASTERLY WINDS.
     MAINLY CLOUDY WITH OCCASIONAL 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.


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