Weather Glossary



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Last 10 definitions

Zonal Flow Large-scale atmospheric flow in which the east-west component (i.e., latitudinal) is dominant. The accompanying meridional ...
Wind Shear The rate at which wind velocity changes from point to point in a given direction ...
Wet Bulb Zero the height where the wet-bulb temperature goes below 0C. It is important because WBZ heights ...
Warm Advection Transport of warm air into an area by horizontal winds. Low-level warm advection sometimes is ...
Warm Core Low A low pressure area which is warmer at its center than at its periphery. Tropical ...
Vorticity A measure of the rotation of air in a horizontal plane. Positive (counter-clockwise or cyclonic) ...
Virga Streaks or wisps of precipitation falling from a cloud but evaporating before reaching the ground. ...
Vertically Stacked System A low-pressure system, usually a closed low or cutoff low, which is not tilted with ...
Vertical Wind Sheer the change in the wind's direction and speed with height. This is a critical factor ...
Veering Winds Winds which shift in a clockwise direction with time at a given location (e.g., from ...

City Weather

Toronto
Sunny 8°C
Halifax
Mostly Sunny 12°C
Quebec
Partly Cloudy 7°C
Ottawa
Mostly Cloudy 11°C
Montreal
Mostly Cloudy 9°C
Winnipeg
Snow Showers 0°C
Calgary
Cloudy 4°C
Yellowknife
Mostly Sunny -3°C
Saskatoon
Cloudy 0°C
Vancouver
Mostly Sunny 12°C

Last Update: 6:00 PM Apr 24 2017

Weather can be active anytime when you make your visit to Canada. With each season offering its own unique conditions to observe. Booking coach or business class flights it is always a great time to visit Canada and its vast display of weather.