WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 14/JAN/2022
(Next update at 9:00-9:30 HKT 14/JAN/2022)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB
II.  SYNOPSIS OF THE WEATHER SITUATION :
     PRESSURE IS RISING OVER EASTERN CHINA. A FRESH
     TO STRONG EASTERLY AIRSTREAM IS EXPECTED TO
     REACH THE COAST OF GUANGDONG THIS MORNING.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  030/10
                  BECMG 090/10-15
       OFFSHORE:  030/15-20
                  BECMG 090/15-20, OCNL 25             14-17
   B.   2000 FT:  090/15-20, OCNL 25                   12
   C.   5000 FT:  270/10                               10
   D.  10000 FT:  270/30                               7
   E.  18000 FT:  260/55                               MS6
   F.  24000 FT:  260/70                               MS18
   G.  30000 FT:  270/90                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3900-4700 FT
   I. WEATHER       : 
      MAINLY CLOUDY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 3000 FT
   K. VISIBILITY    : 9 KM
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 3600, 4200, 5000 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, STRONG
     OFFSHORE.
     MAINLY CLOUDY.=
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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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