An upper high/ridge, as seen on water vapour satellite loops
This page shows the satellite imagery over western Canada during a major upper ridge in February. The skies were sunny and temperatures in southern Alberta reached into the teens.
This page is here to give a good illustration of what an upper ridge/high looks like on water vapour satellite imagery.
Upper air plot
Click here for the upper air plot--the actual 500 mb plots are given along with the model forecast heights
Click here to see the satellite animation
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Last update to this page: February 24, 2005