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Atlantic Tropical Action 2011 - Part III


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Is the Euro trying to develop the wave around 30W or is it further east? I suppose it's hard to tell because of the intervals.

It has to be the one at 30 W.

That's a pretty rapid spin up considering what the wave looks like right now. Bullish would be an understatement IMO as to what the Euro is trying to do here.

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It has to be the one at 30 W.

That's a pretty rapid spin up considering what the wave looks like right now. Bullish would be an understatement IMO as to what the Euro is trying to do here.

It has quite the broad rotation, looks like good candidate for CV development. It would probably take off if it wasn't surrounded by dry air.

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I like the wave maybe once it gets near the islands or after, depending on the track of course. I'm just not sure about it developing as quick as the Euro is saying.

Agreed... convection is pretty meager right now, with plenty of dry air ahead of it. This will have to be watched when it gets to the Lesser Antilles because convection should flare up just like 90L did.

2m4c3fr.png

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The GFS runs for the last couple days have been spinning up vorticity in this region, although the overall runs have never been as bullish as the ECMWF and UKMET are now. The ECMWF has considerably higher TPW in the pouch and in the environment than the GFS does, which may account for the difference.

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The GFS runs for the last couple days have been spinning up vorticity in this region, although the overall runs have never been as bullish as the ECMWF and UKMET are now. The ECMWF has considerably higher TPW in the pouch and in the environment than the GFS does, which may account for the difference.

Based off the current satellite presentation, I'd be inclined to believe the GFS over the ECWMF's TPW fields.

2dtn80h.jpg

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A Kelvin wave currently along 75W is projected to pass by the Central Atlantic wave in the next couple days, leaving favorable shear and vorticity anomalies in it's wake. This has decent model support as well, with the GFS, ECMWF, and UKMET all showing some development, although none are vigorous yet. This has rolled up quite nicely, with a well-developed pouch of moisture now evident on MIMIC-TPW.

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1. A LARGE TROPICAL WAVE OVER THE TROPICAL ATLANTIC ABOUT MIDWAY

BETWEEN AFRICA AND THE LESSER ANTILLES IS MOVING WESTWARD NEAR 20

MPH. ENVIRONMENTAL CONDITIONS APPEAR TO BE FAVORABLE FOR SOME SLOW

DEVELOPMENT OVER THE NEXT FEW DAYS. THIS SYSTEM HAS A LOW

CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE

NEXT 48 HOURS.

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Don and future Emily (maybe) in same image. First thing I loop every morning...

Great minds think alike! As soon as I turn on my laptop every day, I also loop that exact same sat graphic :thumbsup:

ascat

Water vapor loop, plus vis earlier would have me guessing circulation was only at the mid levels, but that ASCAT pass is looking pretty healthy!

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A Kelvin wave currently along 75W is projected to pass by the Central Atlantic wave in the next couple days, leaving favorable shear and vorticity anomalies in it's wake. This has decent model support as well, with the GFS, ECMWF, and UKMET all showing some development, although none are vigorous yet. This has rolled up quite nicely, with a well-developed pouch of moisture now evident on MIMIC-TPW.

Yep, it seems like the ECWMF was certainly on to something yesterday! Convection is developing nicely and the circulation is already there... This is likely well on its way to becoming Emily.

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00z NAM has the CATL wave moving through the Lesser Antilles in 84 hours as a decent system.

Should be an interesting to watch.

Keep us informed with those NAM updates in the deep tropics...;)

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