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Terminal Doppler Weather Radar (TDWR)

In the evening of 30 August 1998, an area of thunderstorms passed from west to east across Chek Lap Kok. The TDWR detected microbursts near the Northern Runway of the airport, with the computed windshear magnitude in agreement with measurements of surface anemometers.

TDWR sample display

TDWR display showing a comparison of windshear detected by the TDWR with anemometer measurements.