Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     TROPICAL STORM CONSON HAS WEAKENED INTO A
     TROPICAL DEPRESSION. 
     AT 4 P.M., CONSON WAS CENTRED NEAR 15.3 DEGREES
     NORTH, 109.1 DEGREES EAST AND IS FORECAST TO
     MOVE SLOWLY AT FIRST AND TURN NORTHWEST LATER
     TOWARDS THE CENTRAL PART OF VIETNAM.
     MEANWHILE, SUPER TYPHOON CHANTHU WAS LOCATED AT
     25.5 DEGREES NORTH, 122.4 DEGREES EAST. IT IS
     FORECAST TO MOVE NORTH AT ABOUT 12 KNOTS  AND
     ENTER THE EAST CHINA SEA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND (DIRECTION/KNOT)          TEMPERATURE (DEG. C)
   A.   SURFACE:  240/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  240/10-15                            33-28
   B.   2000 FT:  330/10                               27
   C.   5000 FT:  010/10                               21
   D.  10000 FT:  360/10                               14
   E.  18000 FT:  360/10                               0
   F.  24000 FT:  030/10                               MS11
   G.  30000 FT:  040/15                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY  WITH ISOLATED SHOWERS AND
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT.
      TEMPO FEW CB 1000 FT SCT 2000 FT.
   K. VISIBILITY    : 9 KM. TEMPO 4000 M IN SHOWERS.
TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 18000 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE SOUTHWESTERLY WINDS. 
     SUNNY PERIODS AND A FEW SHOWERS. ISOLATED
     THUNDERSTORMS 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.