What caused storm recurvature at 60W during 2006
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What caused storm recurvature at 60W during 2006
Does anyone have a good reason of why we had almost all recurvatures last year.Is it because of the bermuda high placement further east. Was it due to sal or high shear caused by the El Nino development at that point. Remember hurricane Chris at one point threatened South Florida but just got sheared apart.
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wxman57
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Here's a graphic demonstrating what I think happened last year. Early in the year (June-August) the Bermuda high was much stronger than normal. Typically the Bermuda high slowly weakends and retreats eastward as summer turns to fall from mid August through October. But in 2006, there was a very rapid transition from an early-season strong Bermuda high to a mid to late fall pattern with cold fronts moving off the east and Gulf coasts. This could have been a result of rapid warming of the east Pacific in August.
In any case, the flow pattern changed considerably after mid August, and the U.S. and Caribbean Sea were spared from some quite powerful hurricanes that stayed safely out to sea.
You can see the persistent frontal boundary off the east coast on this satellite image taken the 29th of September while Isaac was forming:
In any case, the flow pattern changed considerably after mid August, and the U.S. and Caribbean Sea were spared from some quite powerful hurricanes that stayed safely out to sea.
You can see the persistent frontal boundary off the east coast on this satellite image taken the 29th of September while Isaac was forming:
Last edited by wxman57 on Tue Feb 06, 2007 1:12 pm, edited 1 time in total.
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southerngale
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wxman57 wrote:You can see the persistent frontal boundary off the east coast on this satellite image taken the 29th of December while Isaac was forming:
I had to do a double-take. December? lol
I know it's just a typo....probably thinking about 2005 when we did have storms in December!
Anyway, nice explanation... thanks.
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wxman57
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southerngale wrote:wxman57 wrote:You can see the persistent frontal boundary off the east coast on this satellite image taken the 29th of December while Isaac was forming:
I had to do a double-take. December? lol
I know it's just a typo....probably thinking about 2005 when we did have storms in December!
Anyway, nice explanation... thanks.
"December", "September", I knew it was one of those "embers".
The satellite image has the date.
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