WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 16/FEB/2020
(Next update at 9:00-9:30 HKT 16/FEB/2020)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS. ISOL CUNIM/TS AND ASSOCIATED
     HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A COLD FRONT IS MOVING ACROSS THE COAST OF
     GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  330/15
       OFFSHORE:  330/25-30                            12-15
   B.   2000 FT:  350/25-30                            12
   C.   5000 FT:  240/20-25
                  BECMG 270/10                         13
   D.  10000 FT:  240/40                               7
   E.  18000 FT:  250/55                               MS7
   F.  24000 FT:  260/65                               MS18
   G.  30000 FT:  270/75                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1500-2500 FT
   I. WEATHER       : 
      CLOUDY WITH SHOWERS AND ISOLATED THUNDERSTORMS
      AT FIRST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 800 FT SCT 2000 FT BKN 6000 FT
      TEMPO FEW CB 800 FT SCT 1500 FT BKN 4000 FT
   K. VISIBILITY    : 8 KM. TEMPO 3000 M IN SHOWERS. TEMPO 2000 M IN TS
   L. 0 DEG. C LEVEL: 13500 FT      10 DEG. C LEVEL(S) : 8000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS, OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 3.5-5.5 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     FRESH NORTHERLY WINDS, STRONG OFFSHORE. BRIGHT
     PERIODS DURING THE DAY.=
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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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