WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 11/DEC/2022
(Next update at 9:00-9:30 HKT 11/DEC/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 AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
     BESIDES, THE AREA OF LOW PRESSURE OVER THE SEAS
     EAST OF THE PHILIPPINES HAS INTENSIFIED INTO A
     TROPICAL DEPRESSION. AT 1 A.M., THE TROPICAL
     DEPRESSION WAS CENTRED NEAR 16.1 DEGREES NORTH,
     124.6 DEGREES EAST. IT IS FORECAST TO MOVE
     NORTHEAST AT ABOUT 8 KNOTS IN THE GENERAL
     DIRECTION OF THE SEAS SOUTH OF THE RYUKYU
     ISLANDS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  010/10-15
       OFFSHORE:  010/20-25                            14-20
   B.   2000 FT:  010/20-25                            12
   C.   5000 FT:  360/15
                  BEC 090/10                           7
   D.  10000 FT:  300/15                               10
   E.  18000 FT:  290/30                               1
   F.  24000 FT:  280/35                               MS12
   G.  30000 FT:  280/30                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3500 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 18500 FT      10 DEG. C LEVEL(S) : 3400, 10000, 11800 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHERLY WINDS, STRONG
     OFFSHORE. MAINLY FINE.=
===================================================================
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
===================================================================
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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