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Weather Forecast for Local Aviation

Bulletin issued at 09:00 HKT 05/JUL/2015
(Next update at 17:30 HKT 05/JUL/2015)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE ANTICYCLONE ALOFT OVER THE NORTHERN PART OF
     THE SOUTH CHINA SEA IS WEAKENING GRADUALLY.
     MEANWHILE, A TROUGH OF LOW PRESSURE IS BRINGING
     SHOWERS TO INLAND GUANGDONG.
     AT 9 A.M., SEVERE TROPICAL STORM LINFA WAS
     CENTRED NEAR 17.7 DEGREES NORTH, 121.9 DEGREES
     EAST.  IT IS FORECAST TO MOVE NORTHWEST AT ABOUT
     6 KNOTS ACROSS NORTHERN LUZON.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  100/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  080/10-15                            28-34
   B.   2000 FT:  140/10-15                            25
   C.   5000 FT:  150/10                               22
   D.  10000 FT:  240/10                               12
   E.  18000 FT:  010/10                               MS1
   F.  24000 FT:  060/10                               MS10
   G.  30000 FT:  020/10                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      SUNNY PERIODS.  THERE WILL ALSO BE ISOLATED
      SHOWERS AND THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  TEMPO FEW CB 1000 FT SCT 2000 FT
      BKN 4000 FT.
   K. VISIBILITY    : 10 KM.  TEMPO 4000 M IN SHOWERS.  TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 10800 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS.  MOD NEAR HILLS AND OFFSHORE.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT WINDS.   MAINLY CLOUDY WITH A FEW SHOWERS
     AND THUNDERSTORMS.=
===================================================================
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.

Last revision date: <05 Jul 2015>