南非沿海异常风浪及其对船舶航行的影响

南非沿海低压强烈发展时常伴随着异常天气的发生,风向由东北风转为西南风,波浪情况也变的较为复杂。这种异常的风浪对船舶的航行安全影响极大。通过对这种异常风浪的分析,结合船舶气象导航的具体工作列举了一个具体的个例,给出船舶经过该海域时应以避让为主,密切注意周围站点的气压场和风场的变化,一旦遇到恶劣的天气和海况时应根据具体情况选择最佳的避风场所。

Influence of Abnormal Winds and Waves on Vessel Sailing along South Africa Coast

The fiercely developed coastal low that appears frequently along the South African coast often brings about abnormal weather.The wind direction turn from northeast to southwest and the winds and waves become very intricate.This abnormal winds and waves have a great influence on vessel sailing.An analysis is made of the abnormal winds and waves and an meteorological-routing example is given.Some suggestions are presented for vessels sailing in this sea area: keep away as far as possible from this abnormal winds and waves;be careful of the variation of the pressure and wind fields over the surrounding area;choose the best refuge harbor according to the actual situation once encountered bad weather and sea conditions.