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2023 Tropical Atlantic Discussion and Pre-invest thread


StretchCT

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image.thumb.gif.7d46dcf2d3171067352cd10d7816e257.gif

Chances from left to right are 40,30 and 90.  The orange one looks to me the most likely to develop given its removal from the TUTT and dry air.

Screenshot2023-08-19at11_32_35AM.thumb.png.e6aab9651d096fbeeb280e043a669a81.png

Its just under the shear zone and far removed from dry air

Screenshot2023-08-19at11_34_36AM.thumb.png.3041ea16455a1f18d6b2ddf46e9bc2e4.png

The middle one is just in the shear and next to the dry air. Probably why it's not expected to develop, though it does have a tight circulation and I do wonder what the winds are there.

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And the 90% chance is currently under light shear and near dry air with some mixed in.  The I is to the left of the left "eye" of the mask generated by the shear map.  

Screenshot2023-08-19at11_37_29AM.thumb.png.baf651a991937d9d5a332aadf9dfb137.png

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99L is fighting some really dry air and likely shear in front of it.  Put it's producing pretty good convection on the east side.

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Scat sats are missing the sector.  The AMSR sat (new to me) seems to think winds in the area are in the 20-30kt range. image.thumb.png.3a41a62e625f4a36413a4cce847c2826.png

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The sudden increase in activity seems chaotic.  Each run of the models seem to give a different track on current and potential storms.  This is going to give meteorologists a run for their money.

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On 8/22/2023 at 1:17 PM, clm said:

The sudden increase in activity seems chaotic.  Each run of the models seem to give a different track on current and potential storms.  This is going to give meteorologists a run for their money.

So many hurricanes are nailed down 3 or 4 days out these days that people forget they can still surprise you. Not just in intensity but their path. 

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40 minutes ago, Uscg Ast said:

Somehow I see a sin or cos function.... 

What always trips me out is how these hurricane parades are evenly spaced out. Like God is just dropping hurricane plinkos. 

Edited by 1816
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Did some research as to where the most named storms have passed through using https://coast.noaa.gov/hurricanes/#map=4/32/-80

The winning area didn't surprise me, but the amount it won by did.  Just off the Outer Banks with 129 named storms.

129namedstormsobx.thumb.png.d49aff755f258aa999fce954aa781682.png

 

I then looked in the GOM, Caribbean and Central Atlantic to see where those frequent spots were.

93  at this spot in GOM

93namedstormsgom.thumb.png.97e487767d948334e6973d0db050dda1.png

72 at the NE side of the Caribbean

72namedstormscarribean.thumb.png.3303b1c848e1645074484a5706066a88.png

60 at this spot in the Central Atlantic.

60namedstormscentatl.thumb.png.85a498dafdc7a7669819885baa214bfc.png

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41 minutes ago, MaineJay said:

Would love to see the ECMWF go out another day or 2, just for S and G's.

Here's the EPS control each 24 hrs after- nothing interesting happens though.

eps240.thumb.png.c8830ffabfb0a3351b4a4be6decaf4f9.pngeps258.thumb.png.c50e70398a7e5a65883242fdb35291da.pngeps282.thumb.png.4f828fb7e13d6fee6a0f592b78734fde.pngeps306.thumb.png.de9bebf713ce88728d584179fa00e1f3.pngeps330.thumb.png.d30a896d063c673d777a82eeffa9fa0b.png

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I seriously have a bad feeling about this. When your best hope is that a big storm passes through and cools the water so the next one can't blow up as easy then you know your hope is slim to none. We need steering currents to create a forcefield around the US coast otherwise someone is getting shellacked. 

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Busy out there.  Can't believe that Jose got named, but it looks pretty good.  The yellow hash next to it also looks better than a 30% and then there's the 70% system out by Cape Verde

Screenshot2023-08-31at9_49_43AM.thumb.png.1af9acb5356cbe0ceb61c4077be62c4e.png

This is the yellow hash, which TT has labeled as remnants of Gert.  It's got a pretty healthy spin to it, but not a lot of convection.  It's under a little bit of N shear.  Not sure how it's existing between Franklin (left) and Jose (right).  I've seen systems looking like this named before, surprised its only 30 unless they plan on it dissipating or are just relying on the intensity models.

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This is the Cape Verde system.  It already looks like a depression.  Full but broad circulation, ton of convection.  It's modeled to head NW for a while, then likely recurve, though not all members agree on that.

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