91L invest Bahamas,Comments,Sat Pics,Models Thread #1
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- wxman57
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Here's yet another model plot. I have the BAMS on here, too. Of course, you can always ignore the LBAR and AH98E (climo) model. All BAM models say the same - wnw-nw toward Jacksonville. Dynamic models in good agreement as well on the movement of the upper low. Of course, I always advise being wary of the BAM models north of 20N latitude as they're designed for low-latitude systems where the steering currents aren't changing.
Wind shear still looks very strong over it (watch how you interpret those wind shear maps - look at a good, long WV loop). This is not so much a tropical system as a hybrid low.
I think there's a good chance it'll be upgraded to a TD tomorrow due to its proximity to land, but conditions aloft don't favor much intensification before it moves inland.

Wind shear still looks very strong over it (watch how you interpret those wind shear maps - look at a good, long WV loop). This is not so much a tropical system as a hybrid low.
I think there's a good chance it'll be upgraded to a TD tomorrow due to its proximity to land, but conditions aloft don't favor much intensification before it moves inland.

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- Trader Ron
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- wxman57
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Over the years, I've learned that the exposed low-level swirls rotating around a larger area of low pressure are NOT what we should focus on for development. You are correct, we need to watch where the thunderstorms are. A tropical system will tend to form beneath the thunderstorms, not from a naked swirl.
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First T numbers from Dvorak:
23/1215 UTC 26.7N 73.6W T1.0/1.0
http://www.ssd.noaa.gov/PS/TROP/positions.html
23/1215 UTC 26.7N 73.6W T1.0/1.0
http://www.ssd.noaa.gov/PS/TROP/positions.html
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- Stratusxpeye
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bucman1 wrote:Kinda hard to forecast a track when we don't know where the center of circulation is !
Great post I was just getting ready to post that. Before we had a handle on Alberto's center it was a Texas storm for sure some even though Mexico. We need to have it establish its exact llc center for models to initiate and then the plots will be a little better right now id say its almost all useless.
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- Trader Ron
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wxman57 wrote:Trader Ron wrote:Two of those models are worthless. I'll wait for the GFDL.
Besides the LBAR, which I agree is worthless, what other model on my plot is worthless? The CARQ is not a model, by the way, it's the historical track of the disturbance.
I concur with you that the LBAR and NHCA98E are worthless. I was typing the post just before you posted. It wasn't directed at you.
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- HurricaneGirl
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wxman57 wrote:Here's yet another model plot. I have the BAMS on here, too. Of course, you can always ignore the LBAR and AH98E (climo) model. All BAM models say the same - wnw-nw toward Jacksonville. Dynamic models in good agreement as well on the movement of the upper low. Of course, I always advise being wary of the BAM models north of 20N latitude as they're designed for low-latitude systems where the steering currents aren't changing.
Wind shear still looks very strong over it (watch how you interpret those wind shear maps - look at a good, long WV loop). This is not so much a tropical system as a hybrid low.
I think there's a good chance it'll be upgraded to a TD tomorrow due to its proximity to land, but conditions aloft don't favor much intensification before it moves inland.


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