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End of El Nino: expect another hard Atlantic hurricane season

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phantom power Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 01:50 PM
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End of El Nino: expect another hard Atlantic hurricane season
What does this mean for Atlantic hurricane season?

The demise of El Niño is bad news for those living along the hurricane-prone areas of the Atlantic coast. El Niño conditions tend to suppress Atlantic hurricane activity, as occurred in the 2006 hurricane season. It is extremely unlikely we will see a return to El Niño conditions this fall. A decay of El Niño this time of year is very rarely followed by a resurgence later in the year, and only one of the 20 or so computer models used to forecast El Niño is forecasting this to happen this year. It is much more likely that we will see a full-fledged La Niña episode develop. Indeed, La Niña may be already be well on its way--NOAA chief Conrad Lautenbacher remarked in a press release today, "we're seeing a shift to the La Nina, it's clearly in the data". He was refering to a large pool of cooler than normal waters that has developed in recent weeks in the sub-surface waters of the Equatorial Eastern Pacific. This is a prime situation for a La Niña to develop, and several of the long-range computer models are predicting La Niña conditions for the coming hurricane season (Figure 2). These models are not very reliable, however, and it is equally probable that we will see El Niño-neutral conditions--the absence of either a La Niña or El Niño--for the coming hurricane season. La Niña conditions usually cause Atlantic hurricane seasons that are much more active than average, so El Niño-neutral conditions would probably be more welcome than a La Niña. Remember, though, that the worst hurricane season on record--the infamous Hurricane Season of 2005--occurred with El Niño-neutral conditions. I am expecting a much more active hurricane season than the mild season of 2006 as a result of this month's demise of El Niño.

http://www.wunderground.com/blog/JeffMasters/archive.html?tstamp=200702

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soothsayer Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 01:56 PM
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1. hopefully this will prove as inaccurate as last year's predictions
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kestrel91316 Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 02:16 PM
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2. Didn't they predict a bumper crop LAST year, and nothing happened?
I think the models are failing, personally............
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Warpy Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 02:25 PM
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El Nino has been blamed for dry years here in the desert
southwest and for wet years in the desert southwest; it was blamed for poor ski seasons in New England and for record breaking snowfalls in New England.

My guess is that either it doesn't have a great effect on northern hemisphere weather or that scientists disagree among themselves so much that even they haven't figured any of it out yet.
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phantom power Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 02:31 PM
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4. Yes, they did.
Of course, models can fail in both directions. In 2005 they predicted a highly active season compared to the average. What they got was twice the storms that they predicted, in every category.

Their models are evolving in response to what they learned from 2005 (and 2006). At the same time, actual measurement capabilities are being defunded here in the US, so that will degrade the quality of data available as input to their models. Nice timing, there.
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Iwasthere Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 02:25 PM
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3. My gut says ....
Hurricanes will break all records again this year. Though, how do you break records when the measuring system is changed? Perhaps that was their intention??
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bullimiami Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Mar-02-07 02:31 PM
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5. they truly dont have any good way to predict the "season".
the last few years should prove it beyond a doubt.
all they can do is take historic trends and try to tie them in with some correlations ie el nino.

they do a heck of a job predicting the path and giving us early warning though.
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