WEATHER FORECAST FOR LOCAL AVIATION

Weather Forecast for Local Aviation

Bulletin issued at 12:30 HKT 22/FEB/2021
(Next update at 17:30 HKT 22/FEB/2021)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE WEATHER IS GENERALLY FINE OVER SOUTHERN
     CHINA.
     TROPICAL STORM DUJUAN WAS WEAKENED INTO A
     TROPICAL DEPRESSION. AT NOON, DUJUAN WAS LOCATED
     AT 11.6 DEGREES NORTH, 124.5 DEGREES EAST. IT IS
     FORECAST TO MOVE WEST-NORTHWEST AT ABOUT 12
     KONTS ACROSS THE CENTRAL PART OF THE PHILIPPINES.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  080/5-10                             26-19
   B.   2000 FT:  040/10                               16
   C.   5000 FT:  310/5                                14
   D.  10000 FT:  250/20                               9
   E.  18000 FT:  230/45                               MS5
   F.  24000 FT:  230/60                               MS17
   G.  30000 FT:  260/80                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 4000 FT
   K. VISIBILITY    : 7 KM,
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 9200 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT  WINDS. 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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