WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 03/JUL/2022
(Next update at 9:00-9:30 HKT 03/JUL/2022)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     GALE FORCE WINDS, SEV TURB AND SEV GUSTS.  
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT 1 A.M., SEVERE TROPICAL STORM CHABA WAS
     LOCATED AT 22.4DEGREES NORTH, 110.6 DEGREES
     EAST. IT IS FORECAST TO MOVE NORTHWEST AT ABOUT
     8 KNOTS TOWARDS INLAND OF GUANGXI.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  170/25G35
                  BECMG 170/20,OCNL 25
                  TEMPO 160/25G35 IN TS
       OFFSHORE:  140/30-35G45
                  BECMG 170/25-30,OCNL35G40            27-29
   B.   2000 FT:  180/40-45G55
                  BECMG 190/35-40G50                   24
   C.   5000 FT:  180/40-45                            19
   D.  10000 FT:  180/45                               10
   E.  18000 FT:  180/50
                  BECMG 190/40                         MS1
   F.  24000 FT:  180/50
                  BECMG 190/40                         MS9
   G.  30000 FT:  180/55
                  BECMG 180/35                         MS22
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      CLOUDY WITH HEAVY SQUALLY SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2200 FT BKN 8000 FT
      TEMPO FEW CB 800 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: 17600 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 3.0-7.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     FRESH SOUTH TO SOUTHEASTERLY WINDS, OCCASIONALLY
     STRONG AT FIRST. OCCASIONALLY GALE OFFSHORE AND
     ON HIGH GROUND.
     MAINLY CLOUDY. OCCASIONAL 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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