WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 12:30 HKT 01/JUL/2022
(Next update at 17:30 HKT 01/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 NOON, SEVERE TROPICAL STORM CHABA WAS LOCATED
     AT 18.6 DEGREES NORTH, 113.6 DEGREES EAST. IT IS
     FORECAST TO MOVE NORTHWEST AT ABOUT 10 KNOTS IN
     THE GENERAL DIRECTION OF THE COAST OF WESTERN
     GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  090/25
                  TEMPO VRB/30G40 IN TS
       OFFSHORE:  090/30,OCNL35G45                     32-27
   B.   2000 FT:  100/35-40,OCNL45G55                  23
   C.   5000 FT:  120/45-50                            20
   D.  10000 FT:  130/45                               12
   E.  18000 FT:  130/40                               MS1
   F.  24000 FT:  110/35                               MS11
   G.  30000 FT:  110/30                               MS22
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      CLOUDY WITH SQUALLY SHOWERS AND THUNDERSTORMS.
      SHOWERS WILL BE HEAVY AT TIMES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 3000 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: 17500 FT      10 DEG. C LEVEL(S) : 11400 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 4.0-6.0 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     STRONG EAST TO SOUTHEASTERLY WINDS, OCCASIONALLY
     GALE FORCE OFFSHORE AND ON HIGH GROUND.
     CLOUDY WITH SQUALLY SHOWERS AND THUNDERSTORMS.
     SHOWERS WILL BE HEAVY AT TIMES.=
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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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