Geoscience Reference
In-Depth Information
(a)
(b)
Fig. 5. WTWS display on 9 September 2010. Gust front analyzed by TDWR (purple line)
over the HKIA; microburst alerts generated by TDWR (red solid band-aids); windshear
alerts generated by AWARE (red hollow rectangles), by TDWR (red hollow irregular
polygons); by LIDAR (red arrows, over the runways only); turbulence alert generated by
TDWR (brown polygon with dots). Black numbers were the windshear magnitude in knots.
(a) 0008 HKT on 9 September 2010. A gust front was over the HKIA. Windshear alerts were
issued by the WTWS for all runway corridors. LIDAR data was highly attenuated by
precipitation and could only detect windshear over the runway. (b) 0012 HKT on 9
September 2010. Microburst alerts of -35 knots were issued to the four eastern corridors.
Windshear alerts with magnitude ranging from +15 to +25 knots were issued for the four
western corridors.
