Snowcover and the tracks of lows

General Discussions: ASK John: Snowcover and the tracks of lows

By regionrat on Monday, December 22, 2008 - 07:05 am: Edit Post

John,
Can snowcover and it's depth affect the track a low pressure system takes? Can snowcover effect the precipitation type that a low pressure system brings?
Thanks.


By admin on Wednesday, December 24, 2008 - 11:38 am: Edit Post

regionrat.

Sometimes I wish this were true, but the reality is that most things that happen in the atmosphere are not impacted at all by what is happening at the surface. There are a few things, including the type of precip that falls. Snowcover could lead to low level cold air that could produce freezing rain vs. rain.

However, for things like the tracks of low pressure, that is just up to what the atmosphere decides to do.

-John


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