WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 05/AUG/2022
(Next update at 01:30 HKT 06/AUG/2022)
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 :
     A BROAD AREA OF LOW PRESSURE IS BRINGING
     UNSETTLED WEATHER TO THE SOUTH CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  140/10-15
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  150/15-20                            28-26
   B.   2000 FT:  160/15-20, OCNL 25 AT FIRST          23
   C.   5000 FT:  170/20                               19
   D.  10000 FT:  180/20                               11
   E.  18000 FT:  160/25                               MS1
   F.  24000 FT:  140/20                               MS11
   G.  30000 FT:  100/15                               MS23
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH SHOWERS AND SQUALLY
      THUNDERSTORMS. SHOWERS WILL BE HEAVY AT TIMES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 2500 FT
      TEMPO FEW CB 1000 FT SCT 2500 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM, TEMPO 3000 M IN SHOWERS, TEMPO 1000 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 10600 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS AND NEAR HILLS. MOD OFFSHORE.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 26 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH SOUTHEASTERLY WINDS.
     MAINLY CLOUDY WITH 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.


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