A series of vorticity centres evolving, as seen on water vapour satellite loops


This page shows the satellite imagery over western Canada during a time when a series of vorticity centres set up. Impulses were moving through the northwesterly flow and intensified as they reached eastern Alberta. However, no major weather was associated with these centres.

Satellite images

Click here to see the satellite animation

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Last update to this page: February 24, 2005