Weather and Meteorology - Glossary
Included in this glossary you'll find terms related to our public forecasting program, weather observations and unique terminology that is of Environment Canada's hurricane centre and ice service products.
- Tropical Storm Warning
A warning issued by Environment Canada’s Meteorological Service (MSC) indicating that tropical storm conditions, including possible sustained winds within the range 63 km-117 km/h, are expected in specified areas within 24 hours or less. By nature, a tropical storm warning also implies the threat of local flooding from heavy rainfall.
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