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.
A strong convective downdraft resulting in an outward burst of often damaging winds at or near the surface. The affected area may be from less than 1 km to more than 100 km in horizontal dimension.
- Date modified: