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InnisfilWeather.Com What Is A Weather Alert? Information Supplied By Environment Canada. Environment Canada's Meteorological Service is responsible for issuing all Canadian weather alerts. Watches, Warnings and Special Weather Statements alert Canadians to a number of weather conditions that are occurring or are expected to occur, that could impact your safety or cause damage to property or the environment. Depending on the severity of the weather expected or the onset time of the event, forecasters will issue different types of alerting bulletins. It is important that you are aware of the geographic region that you are in, so you can best assess your risk. The three types of weather alerts include: Special Weather Statements are issued for weather events that are unusual, cause general inconvenience or public concern and cannot adequately be described in a weather forecast. Special weather statements may be issued daily in summer to describe where thunderstorms are expected or occurring, or may reflect a warning in effect near our borders. These statements are updated as needed. Watches provides a “heads-up” that conditions are favourable for a possible summer or winter storm. This storm could affect your safety or at the least cause inconvenience, but at this time there is uncertainty about the track and strength of the system. A watch in the summer may be issued up to six hours before the event and in the case of winter events at least 12 to 24 hours in advance. Stay tuned for updates. This is the time to develop a plan in the event that the watch is upgraded to a warning, as conditions become more certain. Warnings alert you when severe weather is occurring or will occur. Activation of a specific warning takes into consideration local needs. Warnings are issued ideally when severe weather is expected to affect land-based communities within at least six to as much as 24 hours. Storms related to thunderstorms offer shorter advance notification and may be issued less than one hour in advance. Updated statements are reissued at least every six to eight hours or as needed, so you can stay up to date on the developing situation. More than one type of warning for a location can be in effect. Warning services are more limited or may not be available in remote or unpopulated areas. When a warning is issued it is time to put any plans into action.
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