The cross at the centre symbolises the monitoring of typhoon rain bands by radar, representing round-the-clock surveillance of the weather by HKO and our target of making accurate weather forecasts.

• 加上正中的十字坐标,整个标志就好像是从雷达监测台风雨带一样,表示天文台时时刻刻都观察著天气的变化,并以准确预测天气为目标。