WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 17/JAN/2022
(Next update at 9:00-9:30 HKT 17/JAN/2022)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON 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:  050/15-20
       OFFSHORE:  050/20-25                            16-21
   B.   2000 FT:  050/15-20                            13
   C.   5000 FT:  180/10                               11
   D.  10000 FT:  240/25                               7
   E.  18000 FT:  240/50                               MS6
   F.  24000 FT:  250/60                               MS17
   G.  30000 FT:  250/75                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      CLOUDY WITH A FEW RAIN PATCHES IN THE MORNING.
      LOCALISED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 3500FT BKN 8000FT
   K. VISIBILITY    : 7 KM, TEMPO 4000 M IN MIST OR RAIN PATCHES.
   L. 0 DEG. C LEVEL: 13500 FT      10 DEG. C LEVEL(S) : 6600 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE. MOD NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 18 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHEASTERLY WINDS.
     SUNNY INTERVALS IN THE AFTERNOON. ONE OR TWO
     RAIN PATCHES AT NIGHT.=
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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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