Ontario Snow Survey location and data

This data contains location information for 1 of Ontario’s snow monitoring networks: Surface Water Monitoring Centre (SWMC) Snow course data is collected by: conservation authorities Ontario Power Generation Ministry of Natural Resources (MNR) districts Data is collected twice a month from November 15 until May 15. The Surface Water Monitoring Centre uses this data to assess: current snow cover frozen ground conditions snowpack potential snowmelt contributions to streamflow The snow data is located in a corporate water and climate database. This data helps MNR and conservation authorities assess the potential for flood at the local and provincial scale. Additional Documentation Ontario Snow Survey location and data - Data Dictionary (Excel) Historic and Current Snow Survey Metadata (1933-2025) (CSV) Status Planned: fixed date has been established upon or by which the data will be created or updated Maintenance and Update Frequency Annually: data is updated every year Contact Surface Water Monitoring Centre, [e-mail]本数据集涵盖安大略省雪情监测网络之一的点位信息： 地表水监测中心（Surface Water Monitoring Centre, SWMC）的雪道监测数据由以下单位采集：安大略省各保护局、安大略电力公司以及安大略省自然资源部（Ministry of Natural Resources, MNR）辖区。 数据采集周期为每年11月15日至次年5月15日，每月开展两次采集工作。 地表水监测中心依托该数据开展以下评估：当前积雪覆盖情况、冻土状态、积雪储量以及融雪对径流的潜在贡献。 该雪情数据存储于企业级水文与气候数据库内。 本数据可协助安大略省自然资源部及各保护局开展地方与省级尺度的洪水风险评估工作。 附加文档 - 安大略省雪情调查点位与数据——数据字典（Excel格式） - 1933-2025年历史及当前雪情调查元数据（CSV格式） 状态：已规划，已确定数据生成与更新的固定时限。 维护与更新频率：每年更新一次。 联系方式：地表水监测中心，邮箱：[e-mail]