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Weather Forecast for Local Aviation

Bulletin issued at 09:30 HKT 21/APR/2014
(Next update at 17:30 HKT 21/APR/2014)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB ON HIGH GROUND AT
     FIRST.

II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.

III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  100/10, OCNL 15-20 AT FIRST
       OFFSHORE:  100/15-20                            23-28
   B.   2000 FT:  140/15-20, OCNL 25 AT FIRST          21
   C.   5000 FT:  210/10                               17
   D.  10000 FT:  250/15                               11
   E.  18000 FT:  260/20                               MS3
   F.  24000 FT:  290/15                               MS13
   G.  30000 FT:  260/25                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      CLOUDY.  A FEW RAIN PATCHES AT FIRST.  SUNNY
      INTERVALS IN THE AFTERNOON.  LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT  SCT 3000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 3000 M IN RAIN / MIST.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 10800 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0 M         SEA TEMPERATURE    : 23 DEG

IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, OCCASIONALLY FRESH
     OFFSHORE AND ON HIGH GROUND AT FIRST.  MAINLY
     CLOUDY.  LOCALIZED FOG / MIST.=
===================================================================
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: <21 Apr 2014>