Meteorological vigilance in metropolis

The public data stream of Vigilance consists of: — a Vigilance “bulletin” product, in JSON format: this product contains the text of the issued monitoring bulletins, be they national, zonal (defence zones) or departmental — a “card” product of Vigilance, in JSON format: this product contains the risk forecasts, including the chronology of phenomena, at national and departmental level — three thumbnails of national high-definition Vigilance cards in PNG format for J and J+ 1, J alone, J+ 1 only The data from Vigilance’s real-time stream is updated as soon as a new Vigilance release takes place. It is up to the developer to regularly download each of the 5 files to check if they have been updated via the date information explained in the documentation available on the Météo France Public Data portal.“Vigilance”公开数据流包含以下内容： —— JSON格式的Vigilance「公告」产品：该产品收录已发布的监测公告文本，涵盖国家级、区域（防御区）及部门级各类公告； —— JSON格式的Vigilance「卡片」产品：该产品包含国家级与部门级的风险预报内容，涵盖各类现象的发生时序； —— 3份PNG格式的国家级高清Vigilance预警卡片缩略图，分别对应当日（J）及次日（J+1）、仅当日（J）、仅次日（J+1）。 Vigilance实时数据流中的数据会在每次新版本发布时立即更新。开发者需定期下载全部5个文件，并通过法国气象局（Météo France）公开数据门户文档中说明的日期信息，核对文件是否已完成更新。