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.
- Hurricane Warning
A warning issued by Environment Canada’s Meteorological Service (MSC) that means one or both of the following dangerous effects of a hurricane are expected in a specified area in 24 hours or less:
(a) Average sustained winds of 64 knots (118 km/h) or higher;
(b) Dangerously high water or a combination of dangerously high water and exceptionally high waves, even though winds expected may be less than hurricane force. By nature a hurricane also implies the threat of local flooding from heavy rainfall.
- Date modified: