Weather Glossary



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Pacific Decadal Oscillation (PDO) a recently described pattern of climate variation similar to ENSO though on a timescale of ...
Polar Jet Marked by a concentration of isotherms and strong vertical shear, this jet is the boundary ...
POP Probability of Precipitation ...
Popcorn Convection Slang for showers and thunderstorms that form on a scattered basis with little or no ...
Positive-tilt Trough An upper level system which is tilted to the east with increasing latitude (i.e., from ...
Potential Vorticity This plays an important role in the generation of vorticity in cyclogenesis, especially along the ...
Pressure Gradient The amount of pressure change occurring over a given distance. ...
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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.