ATL: SANDY - Models
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- cycloneye
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Re: ATL: INVEST 99L - Models
12z ECMWF shifts west.
144 hours.
144 hours.
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Re: ATL: INVEST 99L - Models
One thing we are seeing...and whether this is a problem for the U.S. or not....more model consensus right now that we will have yet another hurricane to track later this week (64 kts = 74 mph)
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- cycloneye
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Re: ATL: INVEST 99L - Models
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- SFLcane
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Re: ATL: INVEST 99L - Models
Hooks left towards southern florida... http://tc.met.psu.edu/tcgengifs/HWRF/2012102112-invest99l/slp.anim.html
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- gatorcane
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While model guidance keeps this east of Florida, it's the westward trend the ECMWF is showing plus the temporary nw turn the models are generally showing once the system is north of Cuba that is a bit worrisome for those in South Florida. Water temps are plenty warm enough in the Florida Straits and Bahamas to support a significant system providing the upper-level conditions are favorable. It won't take much of another westward shift by the ECMWF to put South Florida in the cross-hairs.
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- cycloneye
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Re: ATL: INVEST 99L - Models
18z shifts a little bit to the east.
144 hours.
144 hours.
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Re: ATL: INVEST 99L - Models
[quote="cycloneye"]18z shifts a little bit to the east.
Well, not to get too lengthy here, but have just been taking a long hard look at the EURO's long range 500mb from last Thursday up until today. Then compared the present GFS and EURO forecasts which are close, with exception to the latest 12z EURO run showing a westward shift. Bottom line, it seems appearant to me that the EURO has had a pretty good over all handle on the synoptic set up with exception to the fact that 99L was expected to be caught by the East Coast trough which at this point might only seem likely to influence motion perhaps up to tomorrow night. At such a point the W. Atlantic trough starts lifting and moving east. The only other interesting note is that the EURO did not anticipate the East Conus ridge building as strongly as it is now appearing to be. The GFS meanwhile seems slightly faster with 99L's development, and furthermore appears that the heights are too low, both off the Eastern U.S. seaboard and furthermore with the eventual trough moving east in about 5 to 7 days. Bottom line, if 99L in fact develops and does not begin a forward motion until perhaps Tuesday a.m. or later, than by late tomm., we might start to see a significant westward shift of the GFS and other dynamic models. I am beginning to think that the risk to S. Florida may be becoming greater.
Well, not to get too lengthy here, but have just been taking a long hard look at the EURO's long range 500mb from last Thursday up until today. Then compared the present GFS and EURO forecasts which are close, with exception to the latest 12z EURO run showing a westward shift. Bottom line, it seems appearant to me that the EURO has had a pretty good over all handle on the synoptic set up with exception to the fact that 99L was expected to be caught by the East Coast trough which at this point might only seem likely to influence motion perhaps up to tomorrow night. At such a point the W. Atlantic trough starts lifting and moving east. The only other interesting note is that the EURO did not anticipate the East Conus ridge building as strongly as it is now appearing to be. The GFS meanwhile seems slightly faster with 99L's development, and furthermore appears that the heights are too low, both off the Eastern U.S. seaboard and furthermore with the eventual trough moving east in about 5 to 7 days. Bottom line, if 99L in fact develops and does not begin a forward motion until perhaps Tuesday a.m. or later, than by late tomm., we might start to see a significant westward shift of the GFS and other dynamic models. I am beginning to think that the risk to S. Florida may be becoming greater.
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Andy D
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Re: ATL: INVEST 99L - Models
one thing is for sure models like it to blow up after Cuba....might be our big major....
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- brunota2003
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Re: ATL: INVEST 99L - Models
The 12ZGFS would be catastrophic for the NE US if it were to verify and that would be if it is a full phaser with the trough, but the 18ZGFS took down the intensity to something I think is more likely to verify, but you can't discout the stronger full phase scenerio with the 12ZEuro and 12ZGGEM showing it but I would put the chances of that happening at 5 to 10%
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- brunota2003
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0Z GFS takes a messy-looking system east of FL by the end of the week. This could end up being a large, odd looking gyre that never really consolidates into anything significant.
The overall structure of this system is going to be a huge determinant in how it tracks and what it does. My initial thought is it will remain broad and fairly disorganized and will take until it hits the westerlies, then it will come together some. That's just the way this season has gone.
The hope is this comes together east of the FL peninsula and not west of it.
MW
The overall structure of this system is going to be a huge determinant in how it tracks and what it does. My initial thought is it will remain broad and fairly disorganized and will take until it hits the westerlies, then it will come together some. That's just the way this season has gone.
The hope is this comes together east of the FL peninsula and not west of it.
MW
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