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Graphical SIGMET for Hong Kong FIR

The Hong Kong Tropical Cyclone (TC) SIGMET (Graphical) has been enhanced with:

  1. GIS-enabled zoom in/out feature;
  2. overlay of animated satellite/radar images; and
  3. overlay of major flight routes and significant way points.

Apart from TC SIGMET, the enhanced graphical SIGMET also includes SIGMET for thunderstorms, severe turbulence and severe icing. The product is renamed as "Graphical SIGMET for Hong Kong FIR".

 An example of Graphical SIGMET for Hong Kong FIR at about 21 UTC on 12 August 2013, with overlay of thunderstorm SIGMET, satellite image and significant points.

Figure 1  An example of Graphical SIGMET for Hong Kong FIR at about 21 UTC on 12 August 2013, with overlay of thunderstorm SIGMET, satellite image and significant points.