Is 2006 the year of the shear?
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- cycloneye
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Is 2006 the year of the shear?
Well,as Mike Watkins said in his invest thread,many will not like this thread either as the talk is about something that Tropical Cyclones dont like and that is upper shear.Alberto formed but it had a ferousious battle with the shear which didn't let it become a minimal hurricane just prior to landfall.There has been a TUTT trough hanging in the Atlantic not letting the tropical waves organize and that was the case wth the recent 2 waves that moved thru the Eastern Caribbean.The question is if this upper shear will relax as the peak of the season draws closer meaning the TUTT will weaken or it will remain for the duration of the 2006 season?
Let's have an interesting discussion about this important theme.
Water Vapor,Central Atlantic
Water Vapor,Western Atlantic,Caribbean Sea
Water Vapor,Gulf of Mexico
Let's have an interesting discussion about this important theme.
Water Vapor,Central Atlantic
Water Vapor,Western Atlantic,Caribbean Sea
Water Vapor,Gulf of Mexico
Last edited by cycloneye on Sat Jul 01, 2006 4:04 pm, edited 2 times in total.
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- WindRunner
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- Extremeweatherguy
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- cycloneye
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Scorpion and WindRunner,agree with both about having slow June and July not meaning much for what will occur in August,September and October.I am making this thread to have good discussions about this topic to keep the forum active as things are relativly quiet in the Atlantic. 

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- Extremeweatherguy
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In a mostly amateurish, intuitive way, I "forecast" lower season totals because I thought higher shear would inhibit development more than in 04-05.
Of course, as pointed out above, a year with no named storms until late August can still include an Andrew, etc.
Interested in cycloneye and other pros' help understanding:
We don't have one of the conditions (el nino) that produce Atlantic basin shear, as I understand it. I'm curious about other large-scale factors that can cause more consistent shear in the TC development areas. Does the subtropical jet being generally farther south have an inhibiting or enhancing effect, for example? What about changes in the westerlies at mid-latitudes? What causes more surface troughs or TUTTs in the Gulf and Caribbean in a particular season -- and does that lead to more formation sources, more shear, or both?
Of course, as pointed out above, a year with no named storms until late August can still include an Andrew, etc.
Interested in cycloneye and other pros' help understanding:
We don't have one of the conditions (el nino) that produce Atlantic basin shear, as I understand it. I'm curious about other large-scale factors that can cause more consistent shear in the TC development areas. Does the subtropical jet being generally farther south have an inhibiting or enhancing effect, for example? What about changes in the westerlies at mid-latitudes? What causes more surface troughs or TUTTs in the Gulf and Caribbean in a particular season -- and does that lead to more formation sources, more shear, or both?
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- Extremeweatherguy
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My prediction is that we may be see 1 (2 if lucky) storms this July, followed by a ramp up in August and September (3 to 5+ storms per month) and then a slow decrease through October and November. I think 10-15 storms sounds about right for this year...may be 15-20 if the late season is really active.
I also think that we have at least 2 more storm landfalls in the Gulf (probably both in the western Gulf) and at least 2 for the east coast. At least one of these landfalls should be that of a major hurricane.
I also think that we have at least 2 more storm landfalls in the Gulf (probably both in the western Gulf) and at least 2 for the east coast. At least one of these landfalls should be that of a major hurricane.
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- cycloneye
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wxmann_91 wrote:Not year of the shear. Westerlies are a little strong but that could be a byproduct of the synoptic pattern. I expect a little burst in Aug-Sept. then quiet down for later in the season. There are signs of an El Nino appearing in later September.
What do you mean by a little August-September burst? How many named systems will form in those peak months?
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- wxmann_91
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cycloneye wrote:wxmann_91 wrote:Not year of the shear. Westerlies are a little strong but that could be a byproduct of the synoptic pattern. I expect a little burst in Aug-Sept. then quiet down for later in the season. There are signs of an El Nino appearing in later September.
What do you mean by a little August-September burst? How many named systems will form in those peak months?
I would have used 2004 as an analog if I had done a detailed season forecast, it that is a hint.
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- cycloneye
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wxmann_91 wrote:cycloneye wrote:wxmann_91 wrote:Not year of the shear. Westerlies are a little strong but that could be a byproduct of the synoptic pattern. I expect a little burst in Aug-Sept. then quiet down for later in the season. There are signs of an El Nino appearing in later September.
What do you mean by a little August-September burst? How many named systems will form in those peak months?
I would have used 2004 as an analog if I had done a detailed season forecast, it that is a hint.
That word (Little) may not applie as 13 named storms formed between August and September of 2004.

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