The vapour cone effect is caused by pressure differences around the aircraft. A sudden drop in pressure associated with high speed allows water vapour, which is normally invisible, to condense as fog.
蒸汽锥效应是由于战斗机周围的压力差所导致的，高速飞行时压力的陡然降低会使不可见的水蒸气凝结成雾气。
2
With a 4 + rating from more than 200 users, Hurricane HD provides an extensive forecast cone, which includes both location information and corresponding wind speed.
超过200个用户评予4 +级别，飓风高清版提供了加强的概率预报图，包括位置信息和相应的风速。
3
The shape of the Super Hornet, which can travel at up to 1, 370mph - 1.8 times the speed of sound - encourages the cone to form.