WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 04/AUG/2022
(Next update at 9:00-9:30 HKT 04/AUG/2022)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AT 1 A.M., THE TROPICAL DEPRESSION OVER THE
     NORTHEASTERN PART OF THE SOUTH CHINA SEA WAS
     CENTERED NEAR 21.8 DEGREES NORTH, 116.1 DEGREES
     EAST, AND IS FORECAST TO MOVE WEST-NORTHWEST AT
     ABOUT 8 KNOTS EDGING CLOSER TO THE VICINITY OF
     THE PEARL RIVER ESTUARY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  040/10-15
                  120/10-15 LATER
                  TEMPO VRB/15G30 IN TS
       OFFSHORE:  040/15-20
                  120/15-20, OCNL 25 LATER             26-29
   B.   2000 FT:  060/15, OCNL 20                      24
   C.   5000 FT:  050/10                               19
   D.  10000 FT:  050/15                               11
   E.  18000 FT:  070/15                               MS1
   F.  24000 FT:  050/15                               MS11
   G.  30000 FT:  050/10                               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 2000 FT SCT 4000 FT
      TEMPO FEW CB 800 FT SCT 1500 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM, TEMPO 3000 M IN SHOWERS, TEMPO 1500 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 11000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS AND OFFSHORE, MOD NEAR HILLS
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 26 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO SOUTHEASTERLY WINDS,
     OCCASIONAL STRONG OFFSHORE.
     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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