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Old 03-21-2007, 05:09 PM   #33
CanisLupusArctos
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Default Look at the ice coming...

We also have a freezing rain advisory for tonight and tomorrow morning. It may be clear now, but the warm air is trying to push in here for the rest of the week. It will overrun the cold air and drop some rain down into the cold air that's over us now.

As R2B mentioned, the air pressure is incredibly high - this is heavy, dense air - and so it's unlikely that the arriving warm air will be able to push it out of the way very quickly. This will result in a few hours of icing tonight and tomorrow morning. It won't be heavy, but it only takes a small amount of freezing rain to make everything a skating rink out there.

Here's the barograph (air pressure record) chart for this week on Black Cat Island. Some wild extremes!
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