Traditional Chinese Simplified Chinese

Weather Forecast for Local Aviation

Bulletin issued at 09:00 HKT 25/MAR/2017
(Next update at 17:30 HKT 25/MAR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE COLD FRONT OVER INLAND GUANGDONG IS MOVING SOUTHWARDS
     GRADUALLY. IT IS EXPECTED TO CROSS THE COASTAL AREAS AROUND
     NOON TODAY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  360/5-10, OCNL 15 LATER
       OFFSHORE:  030/10-15, OCNL 20 LATER             19-23
   B.   2000 FT:  080/5-10, BEC 020/10-15              15-19
   C.   5000 FT:  220/10                               13
   D.  10000 FT:  280/25                               7
   E.  18000 FT:  260/35                               MS6
   F.  24000 FT:  260/50                               MS16
   G.  30000 FT:  260/60                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      900-1400 FT.
   I. WEATHER       : 
      MAINLY CLOUDY. A FEW RAIN PATCHES. LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT.
   K. VISIBILITY    : 7 KM. TEMPO 2500 M IN MIST/RAIN.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 8400 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.0-2.0 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHERLY WINDS, OCCASIONALLY FRESH OFFSHORE.
     MAINLY CLOUDY WITH A FEW RAIN PATCHES. LOCALIZED 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.