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To: Interesting Times; NautiNurse
It looks increasingly extra-tropical. Not much of an eyewall at all.

Is that a good thing?

Sorry, I'm somewhat of a newbie when it comes to hurricanes. Last one I remember up here was Gloria in 1985. Now snow and ice storms, on the other hand... ;-)

1,537 posted on 08/27/2011 6:10:41 PM PDT by nutmeg
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To: nutmeg; NautiNurse; mware; GraniteStateConservative; TheRedSoxWinThePennant; SE Mom; ...
Play is resuming at Fenway for Game 2 of the Red Sox vs Oakland A's game after a roughly 40-minute rain delay.

The Red Sox just Tweeted: To Our Fenway Faithful: Come to Fenway right now and get into the game for free! (the park is currently about 3/4 empty)

Kewl, but that's about a 2-hour commute (one-way) for us, LOL.

1,550 posted on 08/27/2011 6:19:21 PM PDT by nutmeg
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To: nutmeg
A couple of definitions (courtesy of weather underground): Extratropical cyclones have cold air at their core, and derive their energy from the release of potential energy when cold and warm air masses interact. These storms always have one or more fronts connected to them, and can occur over land or ocean. An extratropical cyclone can have winds as weak as a tropical depression, or as strong as a hurricane. Examples of extratropical cyclones include blizzards, Nor'easters, and the ordinary low pressure systems that give the continents at mid-latitudes much of their precipitation.
[ed Note: that's not gonna describe Irene until it gets past New England, at least.]

Tropical Cycloses. This happens when thunderstorm activity starts building close to [a] center of circulation, and the strongest winds and rain are no longer in a band far from the center. The core of the storm becomes warm, and the cyclone derives all of its energy from the "latent heat" released when water vapor that has evaporated from warm ocean waters condenses into liquid water. One does not find warm fronts or cold fronts associated with a tropical cyclone.

Note that tropical storms regularly become extratropical storms when they get close enough to the pole to get caught up in a front.

[There's also a 'subtropical cyclone', but let's not confuse the issue any further!] :]

1,594 posted on 08/27/2011 6:44:11 PM PDT by alancarp (Liberals are all for shared pain... until they're included in the pain group.)
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To: nutmeg
What I mean is that the storm is no longer organized like a tropical storm / hurricane, despite its great size and energy. Take a look at this wind field chart:

The strongest winds are in a blob over the ocean, not wrapped around a central core. Irene is now, for all intents and purposes, a very, very large Nor'easter.

1,609 posted on 08/27/2011 6:53:00 PM PDT by Interesting Times (WinterSoldier.com. SwiftVets.com. ToSetTheRecordStraight.com.)
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