WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 12:30 HKT 18/JAN/2020
(Next update at 17:30 HKT 18/JAN/2020)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  040/10 BEC 080/10
       OFFSHORE:  040/15-20 BEC 080/15-20              21-19
   B.   2000 FT:  090/15                               15
   C.   5000 FT:  260/10                               9
   D.  10000 FT:  270/35                               4
   E.  18000 FT:  290/50                               MS1
   F.  24000 FT:  280/50                               MS14
   G.  30000 FT:  270/55                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      SUNNY PERIODS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT SCT 4500 FT
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 9500, 18000 FT  10 DEG. C LEVEL(S) : 3800, 5600, 10600, 11800 FT
   M. TURBULENCE    : MOD OFFSHORE
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 20 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY WINDS.
     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
===================================================================
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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