Comparisons anyone?.......

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sma10
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#21 Postby sma10 » Wed Aug 10, 2005 9:25 am

I know an awful lot of people are comparing Irene to Andrew, but I just don't see it. Irene just looks like another of many systems that was sheared, looked pathetic, and then rebounded.

Now....if Irene was to get captured underneath a strong ridge, move ruler-straight west, explosively strengthen to a category 5, and make landfall as a 5 in South Florida, then, yes, it will definitely remind me of Andrew.
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#22 Postby du1st » Wed Aug 10, 2005 9:28 am

Nothing is impossible.
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#23 Postby dixiebreeze » Wed Aug 10, 2005 9:32 am

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#24 Postby dixiebreeze » Wed Aug 10, 2005 9:37 am

Nice high tops now in Irene, as well as the waves in the southern west Atlantic:

http://cimss.ssec.wisc.edu/tropic/real- ... xirg8n.GIF
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#25 Postby becca1695 » Wed Aug 10, 2005 10:10 am

Would a proper comparison to Irene be the 2003 Isabel? Take a look at the paths -- they are eerie-ly (sp?) similar. Isabel, however, was a much stronger storm, but given the input re Andrew, could Irene pull a Andrew "growth spurt" and follow Isabel's path?
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#26 Postby du1st » Wed Aug 10, 2005 10:16 am

I don't think Irene could go that far north. it will spurt but probalby not to a cat 5.
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#27 Postby Brent » Wed Aug 10, 2005 10:17 am

I'm thinking north of Andrew and not as strong... though the similarities are scary.
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#28 Postby du1st » Wed Aug 10, 2005 10:22 am

Well andrew didn't stay this weak for so long.
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#29 Postby du1st » Wed Aug 10, 2005 10:23 am

Also Andrew was farther south than irene.
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#30 Postby Brent » Wed Aug 10, 2005 10:30 am

du1st wrote:Also Andrew was farther south than irene.


It's at about the same place Andrew was... BUT Andrew was still moving Northwest. It didn't turn west until it was at 26 N.

Image

Image
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#31 Postby gatorcane » Wed Aug 10, 2005 10:34 am

Andrew had a massive ridge building ahead of it that blocked it and moved it W and WSW. The NHC actually predicted this turn to the W correctly. In this case the ridge is not that massive (yet) :eek:
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#32 Postby du1st » Wed Aug 10, 2005 10:40 am

This is kind of eerie. What were the atompspheric conditions during andrew around the point Irene is now. were they similar?
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#33 Postby dixiebreeze » Wed Aug 10, 2005 11:37 am

"Yet" might be the key word, Boca.
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#34 Postby Tampa Bay Hurricane » Wed Aug 10, 2005 11:38 am

Hotter SSTs in general tend to help facilitate the formation of strong Bermuda Highs. "Yet" is certainly the key word.
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#35 Postby Derecho » Wed Aug 10, 2005 11:51 am

Like I've said a million times.....

The sooner people get themselves out the habit of storm comparison, the better off they'll be, and the more they'll learn.

Having a general knowledge of storm history is great and helpful. However constantly trying to compare a current storm to famous previous storms is horribly misleading.

It's an understandable impulse (relating something new to something known and familiar) but it's an impulse you have to fight.

If you're going to compare, at least do it in a systematic way...such as the wxunderground historical maps...on there you'll note there are only 4 August TDs that were within 500 miles of where Irene is now and the only landfall is a 1904 storm that hit Florida as a TS.

The problem with comparison is people tend to only compare to a tiny handful of famous storms and ignore the hundreds of similar obscure ones (Andrew, Camille, etc....if I had a nickel for every storm I've seen compared to Andrew since 1995, I'd be able to buy Microsoft; and of course every compared storm ended up NOTHING LIKE Andrew.)

Ironically, the older statistical models like CLIPER, etc. are "comparison" models; they rely on a database of past storms in similar locations and orientations...

And they failed miserably for Andrew; they did in fact show Andrew recurving out to sea.

The relatively new (at the time) dynamical models such as the AVN and GFDL accurately showed Andrew curving back west and hitting Florida, and fortunately NHC went with those models and had a very accurate forecast track for Andrew.

But the point is the great "isn't this storm like..." comparison storm, Andrew, would itself have been horribly forecasted by people comparing sheared TS Andrew to similar storms at the time.
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#36 Postby dixiebreeze » Wed Aug 10, 2005 1:48 pm

I was waiting for you to check in, Derecho. Please note that no one has indicated this (or any other) storm is EXACTLY like Andrew.

Just similarities, that's all. And thanks for the interesting info.
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#37 Postby WeatherEmperor » Wed Aug 10, 2005 1:50 pm

Derecho wrote:Like I've said a million times.....

The sooner people get themselves out the habit of storm comparison, the better off they'll be, and the more they'll learn.

Having a general knowledge of storm history is great and helpful. However constantly trying to compare a current storm to famous previous storms is horribly misleading.

It's an understandable impulse (relating something new to something known and familiar) but it's an impulse you have to fight.

If you're going to compare, at least do it in a systematic way...such as the wxunderground historical maps...on there you'll note there are only 4 August TDs that were within 500 miles of where Irene is now and the only landfall is a 1904 storm that hit Florida as a TS.

The problem with comparison is people tend to only compare to a tiny handful of famous storms and ignore the hundreds of similar obscure ones (Andrew, Camille, etc....if I had a nickel for every storm I've seen compared to Andrew since 1995, I'd be able to buy Microsoft; and of course every compared storm ended up NOTHING LIKE Andrew.)

Ironically, the older statistical models like CLIPER, etc. are "comparison" models; they rely on a database of past storms in similar locations and orientations...

And they failed miserably for Andrew; they did in fact show Andrew recurving out to sea.

The relatively new (at the time) dynamical models such as the AVN and GFDL accurately showed Andrew curving back west and hitting Florida, and fortunately NHC went with those models and had a very accurate forecast track for Andrew.

But the point is the great "isn't this storm like..." comparison storm, Andrew, would itself have been horribly forecasted by people comparing sheared TS Andrew to similar storms at the time.


that.......was an incredible post.

<RICKY>
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#38 Postby ROCK » Wed Aug 10, 2005 2:00 pm

dwg71 wrote:Irene is not an Andrew, not in path and not in intensity, IMO... and this will not be a south Florida storm. If, and I still say it wont make landfall in US, it does come ashore in US it will be NC. But again I dont see it making it to the US.


give it up Golter...US looking more likely every move west.....crow is not to bad to eat..... :lol:
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#39 Postby WeatherEmperor » Wed Aug 10, 2005 2:00 pm

ROCK wrote:
dwg71 wrote:Irene is not an Andrew, not in path and not in intensity, IMO... and this will not be a south Florida storm. If, and I still say it wont make landfall in US, it does come ashore in US it will be NC. But again I dont see it making it to the US.


give it up Golter...US looking more likely every move west.....crow is not to bad to eat..... :lol:


lol yeah boy.

<RICKY>
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#40 Postby wxmann_91 » Wed Aug 10, 2005 2:01 pm

Andrew and Irene comparison:

Image
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