Huge East Coast Trough by the Weekend

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Coriolis2003
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Huge East Coast Trough by the Weekend

#1 Postby Coriolis2003 » Mon Sep 08, 2003 6:09 pm

A huge trough is expected to setup camp along the eastern seaboard this weekend. Could be a deterrent for landfall along the SE US. Has anyone else been looking at the long range forecasts?
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Rainband

#2 Postby Rainband » Mon Sep 08, 2003 6:10 pm

I heard it earlier on the news..it's supposed to creep along and stall..last I heard!! :?
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WeatherEmperor
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#3 Postby WeatherEmperor » Mon Sep 08, 2003 6:12 pm

It is funny how I have been mentioning this same trough(since it was just approaching the Pacific West Coast). I also do think that the timing of the trough and Isabel approaching the East coast could provide for an interesting setup
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ncweatherwizard
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#4 Postby ncweatherwizard » Mon Sep 08, 2003 6:57 pm

I had noticed this just as Isabel became a named storm, and I have been looking at that system since. In fact, tomorrow morning I am planning to make a call for the East Coast. But as it has been, there really hasn't been a need to call yet, and when I do predict this turn or lack thereof in the extended forecast, I'd rather it be right at 10 days, than wrong at 14. Of course, this is kind of off topic what you were saying...back on. That trough is what I have been leaning on for some time now to turn Isabel north. After all, it was a stationary trough that turned Fabian north at nearly the same latitude---and there was no maybe it's going north, maybe not about it, so at just a bit farther south, we wouldn't see a difference, with the same magnitude trough. Also, don't forget that a trough isn't going to give us "Super Ridge" in the western Atlantic, which would allow Isabel to ride west-northwestward---farther in the reach of the trough. We shall see. :wink:

My 1 or 2 cents worth....
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Steve H.
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#5 Postby Steve H. » Mon Sep 08, 2003 7:39 pm

There is a lot of uncertainty....refer to the HPC discussion. They believe the trough will set up at day 7, but in the Ohio Valley west of 90 west with a short wave going up over the lakes. This may change in time.
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rainstorm

#6 Postby rainstorm » Mon Sep 08, 2003 8:30 pm

the trough is already off the east coast. A trough anyway.
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ColdFront77

#7 Postby ColdFront77 » Mon Sep 08, 2003 11:48 pm

That trough is moving out... that is why the next one is important. There has been thoughts about the first one missing Isabel and the second may play a role with "her" ultimate movement.

The ridge in the Atlantic is the major factor for most of this situation.
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