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Hurricane Lee


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17 hours ago, Harbourton said:

Way out there but the Euro has a way of sniffing these things out.

image.png.84043a0181809ea93f4d30fc10876bcb.png

That's a Cat 4 bordering on a Cat 5 with a 1033 high over top at the peak of of the season. Hopefully this will pan out like our snowstorm threats at that range.

Yes, that one has potential. Consistent with the seasonal trend, the day 9 EPS has a protective trough along the east coast. But its a long way out and things could change.

eps-fast_z500_mslp_atl_10.png

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19 hours ago, Harbourton said:

Fish storm.

image.png.7fd36014de228322528b1917983d5f57.png

I wouldn't be quite so sure. There has been a tendency the past 1-2 days to increase Atlantic ridging, plus slow down the speed of this storm. It would still take a lot to get this to back into the mid-Atlantic, but a solution into eastern New England or Nova Scotia is very reasonable given this setup. Worth watching closely.

 

AL13_2023090512_GEFS_large.png

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15 hours ago, ACwx said:

I wouldn't be quite so sure. There has been a tendency the past 1-2 days to increase Atlantic ridging, plus slow down the speed of this storm. It would still take a lot to get this to back into the mid-Atlantic, but a solution into eastern New England or Nova Scotia is very reasonable given this setup. Worth watching closely.

 

AL13_2023090512_GEFS_large.png

Yes, per the day 7 eps below, the Atlantic ridge continued to trend stronger overnight. Also have to watch the midwest trough, too much digging too far west would be problematic. Still favors out to sea, but getting uncomfortably close.

eps-fast_z500a_namer_fh168_trend.gif

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Regardless of how close each ensemble member is to shore, the other common factor among most of them is that once they turn north, there isn't really much of a "curve" out to sea - the motion remains either due north or perhaps north-northeast (thanks, Atlantic ridging). In particular the Euro full-res run from 00z last night and 12z yesterday both actually had a northwest motion to end each model run. Good thing the threat is still so far away and a lot can change.

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  • Rainshadow changed the title to Major Hurricane Lee
1 hour ago, Chubbs said:

EPS shifted west. Has a few New England hits. GEFS is much weaker with midwest trough.

eps-fast_z500a_namer_fh168_trend.gif

I am hoping the lack of progression bias the EPS showed this summer (their never ending warmth usurping the GEFS) still holds true in September.

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6 hours ago, Harbourton said:

Since that there is possibility that Lee may hit Maine, I came across this article. Long read but interesting.   Some projections for 500 year rain storms go ut to 2096 based on assumed climate change.

https://texmex.mit.edu/pub/emanuel/Powerpoint/Maine Hurricanes_Wells_Reserve.pdf

Let’s hope not…I head back to upper DownEast Maine late next week!

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24 minutes ago, Rainshadow said:

Can’t explain it, day run euro west, night run euro east. GFS & GGEM remain between the windshield wipe.

This still looks like a Canada hit to me unless the storm can get sucked into the trough. 

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50 minutes ago, Rainshadow said:

I am guessing this is going to be outlier left. 

It is the S.S. Laggard ensemble members for now other than that one RI hit at this time that get that far west, otherwise the bulk remain fixated on Nova Scotia for now. 

eps.JPG

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  • Rainshadow changed the title to Hurricane Lee

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