Skip to main content
Hong Kong Observatory Brand Hong Kong - Asia's world city
GovHK Traditional Chinese Simplified Chinese Search Search Site Map Contact Us
Print Version
Back
Print Version

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 25/OCT/2014
(Next update at 09:30 HKT 25/OCT/2014)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB AT FIRST.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE COAST OF
     GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
       OFFSHORE:  080/15-20 OCNL 25 AT FIRST           24-29
   B.   2000 FT:  080/15                               19
   C.   5000 FT:  050/10                               16
   D.  10000 FT:  150/10                               9
   E.  18000 FT:  240/20                               MS7
   F.  24000 FT:  280/40                               MS17
   G.  30000 FT:  260/50                               MS31
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2300 - 3000 FT
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW RAIN PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT  SCT 4000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 9100 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS.  MAINLY CLOUDY WITH A
     FEW RAIN PATCHES.=
===================================================================
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: <25 Oct 2014>