当时海燕发展至最强的程度，中心风力达每小时140公里，并正向东北移动。
用一个反演技术估计2000年晚期琉球群岛朝着东北流的东南向
1·It diffused northeastward, which was caused by the upper air winds and geomagnetic field.
受地球重力场和高空风场的影响，该不均匀体向东北方向扩散。
2·A river of central and eastern Wisconsin flowing about 282 km (75 mi) generally northeastward through Lake Winnebago and into Green Bay.
美国威斯康星州中部和东部一河流，流程约282公里(75英里)，大致向东北流经温内贝戈湖注入格林河。
3·On 30 august, chaba made landfall near kagoshima, japan. it then turned northeastward and rampaged across kushu and the southwestern part of honshu the same day.
暹芭于八月三十日在日本鹿儿岛附近登陆，同日转向东北移动，横越九州及本州的西南部。
4·The Ryukyu current is a northeastward and western boundary current east of Ryukyu Islands.
琉球海流是琉球群岛以东一支东北向的西边界流。