{"alertData":{"areaDesc":"460300000000","description":"三沙市气象台2022年8月9日11时30分变更西沙宣德群岛台风蓝色预警信号为台风黄色预警信号：受今年第7号台风影响，24小时内，西沙宣德群岛及附近海域，风力7-8级，阵风9-10级。请有关单位和人员做好防范工作。","eventType":"11B01","headline":"三沙市气象台发布台风黄色预警[Ⅲ级/较重]","identifier":"46903141600001_20220809112702","sendTime":"2022-08-09 11:27:02","sender":"三沙市气象台","severity":"yellow"}}