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Information Supplied By Environment Canada. InnisfilWeather.Com Rainfall Rain that is particularly heavy can cause traffic disruption, flooding and landslips, drainage and sewer problems and potential water contamination from runoff or in flooded areas. A Rainfall Warning is issued when heavy or prolonged rainfall is sufficient to cause local or widespread flooding or flash floods. Ensure drainage systems are clear of debris and operating. If travelling, give yourself extra time since sections of road may be flooded and driving conditions may be treacherous, especially in a low-lying or mountainous areas. Local rainfall thresholds vary considerably across Canada and reflect a potential for regional flooding. Some seasonal considerations are made for ground that is frozen or sodden. A rainfall warning is generally issued not more than 24 hours in advance and is not preceded by a watch. Safety Tip; 15 cm of swiftly moving water can knock people over. Four times that amount can sweep a car away. Never drive in a flooded roadway, it may be washed out. |
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