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2012 Atlantic Hurricane Season Birdseye Discussion #167C (Special Update)

By: NCHurricane2009 , 3:58 PM GMT on December 03, 2012

...MONDAY DECEMBER 3 2012...10:50 AM EDT...
Surface low Invest 91-L...centered near 43.5W-20N on Sunday December 2 5 AM EDT...is now centered near 40W-38N. It continues moving north-northeast and will pass west of the Azores today. Although the surface low continues to have an impressive comma-shaped area of thunderstorms to the northeast of center...the National Hurricane Center has been continually downgrading its chances to become a subtropical or tropical cyclone since previous update #167B was released. Therefore I did not resume full birdseye chart discussions last night even though update #167B stated I would. The National Hurricane Center is now citing this as a surface low becoming non-tropical (or frontal). The surface low and strong thunderstorms continue to be supported by upper divergence east of the associated upper trough...which is also zooming north-northeast with the surface low.

Will assess the large-scale patterns in computer models to see if their are any chances for additional disturbances like 91-L in the next days. If their is potential for such additional disturbances...then I may decide to resume full birdseye chart discussions.

The views of the author are his/her own and do not necessarily represent the position of The Weather Company or its parent, IBM.

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6:12 AM GMT on December 04, 2012
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