Invest 90 L is dead. Thank God

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OtherHD
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#21 Postby OtherHD » Fri Aug 01, 2003 10:56 am

It was in the developing stages 2 days ago. Now it poofed. It's gotten progressively worse each hour.
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#22 Postby mf_dolphin » Fri Aug 01, 2003 10:58 am

While the convection went poof the circulation is still pretty strong. There are some signs of convection trying to refire now. I'm still far from convinced this is dead...just taking a break for a day or so :-)
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#23 Postby ColdFront77 » Fri Aug 01, 2003 1:51 pm

The circulation structure of a surface low over warm water is just as important as convection persisting.

You can't have a tropical cyclone form without a surface low pressure circulation. I have seen storms come and go without convection for a time and then they develop it around the center and become tropical depressions, tropical storms and/or hurricanes.

Convection falling apart several times doesn't mean tropical cyclogenesis won't occur, just as much as convection can fire up several times without a surface low.
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Stephanie
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#24 Postby Stephanie » Fri Aug 01, 2003 2:50 pm

How can you tell if there is a surface low or there's one developing? What can I look for? I believe that satellite imagery shows the ULL.

Thanks!
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