What is a "Cut off Low"?

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MAY The 4th Be With You 2011

Postby ThunderStruck » Mon May 30, 2011 11:17 pm

silly question but what is a cut off low?

BigStorm

Re: MAY The 4th Be With You 2011

Postby BigStorm » Tue May 31, 2011 7:00 am

ThunderStruck wrote:silly question but what is a cut off low?

:D A cut off low is a low pressure system that becomes detached (cut off) from a front and major low. These lows will normally end up further north than the typical winter low pressure systems. If the SST's (sea surface termperatures) are higher, the warm ocean surface provides more fuel for cut off lows and hence should give us more rain when the cut off lows move through.

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Re: MAY The 4th Be With You 2011

Postby mackerelmauler » Tue May 31, 2011 10:14 am

ThunderStruck wrote:silly question but what is a cut off low?


I have heard that a cut off low is a low that is separated(cut off) from the general Westerly flow around the pole in which most of the Polar Frontal systems occur.
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MAY The 4th Be With You 2011

Postby Fu Manchu » Tue May 31, 2011 11:53 am

BigStorm, that is a nice simple explanation of what a cut off low is.

I might separate both posts into a thread of it's own and add it to the weather questions forum :)

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Re: MAY The 4th Be With You 2011

Postby ThunderStruck » Tue May 31, 2011 2:23 pm

Thanks for the explanation

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Re: What is a "Cut off Low"?

Postby Fu Manchu » Tue May 31, 2011 5:25 pm

This will further assist for any others wanting to read up on the topic :)
http://agencysearch.australia.gov.au/se ... mit=submit

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