《宋史·本纪·卷二十六》
十六日，金军攻陷明州。这天晚上，降大雨，闪电，金军乘胜攻陷定海，用水军来追击高宗的船，张公裕用大船打退金军。
己未，金人陷明州夜，大雨震电，乘胜破定海，以舟师来袭御舟，张公裕以大舶击退之。
On the 16th, the Jin army captured Mingzhou. On this night, there was heavy rain and lightning. The Jin army took the opportunity to attack Dinghai. They sent the navy to pursue Emperor Gaozong's ship. Zhang Gongyu used a large boat to fight back the Jin army.  
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 己未，金人陷明州夜，大雨震电，乘胜破定海，以舟师来袭御舟，张公裕以大舶击退之。 [/INST] On the 16th, the Jin army captured Mingzhou. On this night, there was heavy rain and lightning. The Jin army took the opportunity to attack Dinghai. They sent the navy to pursue Emperor Gaozong's ship. Zhang Gongyu used a large boat to fight back the Jin army.  </s>
Identify the key themes in this Classical Chinese text and explain them in English: 己未，金人陷明州夜，大雨震电，乘胜破定海，以舟师来袭御舟，张公裕以大舶击退之。
user
On the 16th, the Jin army captured Mingzhou. On this night, there was heavy rain and lightning. The Jin army took the opportunity to attack Dinghai. They sent the navy to pursue Emperor Gaozong's ship. Zhang Gongyu used a large boat to fight back the Jin army.
assistant