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2024 - tracking the tropics


mcglups
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Yeah slow and meandering is not the way to get good tropical up here. Now if that ridge were flexing with the storm off the SE and that trough at D7 were more shallow or better yet wanted to cutoff in the lakes, then it’d be more interesting up here. 

The most interesting realistic thing for SNE right now is whether this can produce a PRE. 
 

AUAfjD8.png

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16 minutes ago, ineedsnow said:

The flow can change in a weeks time

97L_gefs_latest.png

It won't. Pretty uniform that the westerlies through at least 8/9 keep it south. 
You all need to remember that you need a deep trough in the Ohio Valley to bring anything north. We have nothing even close to it. Your best bet is some leftover rain and hangover breathe type gusts from 1015 MB low 10-14 days from now. 

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3 minutes ago, CoastalWx said:

It won't. Pretty uniform that the westerlies through at least 8/9 keep it south. 
You all need to remember that you need a deep trough in the Ohio Valley to bring anything north. We have nothing even close to it. Your best bet is some leftover rain and hangover breathe type gusts from 1015 MB low 10-14 days from now. 

Exactly.

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1 hour ago, CoastalWx said:

It won't. Pretty uniform that the westerlies through at least 8/9 keep it south. 
You all need to remember that you need a deep trough in the Ohio Valley to bring anything north. We have nothing even close to it. Your best bet is some leftover rain and hangover breathe type gusts from 1015 MB low 10-14 days from now. 

 Most do, like the smeared h5 dataset shows a large negative anomaly there. But Bob/Carol did not.

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59 minutes ago, Torch Tiger said:

 Most do, like the smeared h5 dataset shows a large negative anomaly there. But Bob/Carol did not.

Bob had an initial s/w trough lure it towards HSE, but then moved out. However a bowling ball was diving into the Midwest on the 18-19th and that allowed Bob to move N then NNE over us. Still the same idea pretty much.

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10 minutes ago, CoastalWx said:

Bob had an initial s/w trough lure it towards HSE, but then moved out. However a bowling ball was diving into the Midwest on the 18-19th and that allowed Bob to move N then NNE over us. Still the same idea pretty much.

wasn't a deep trough

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8 hours ago, CoastalWx said:

It won't. Pretty uniform that the westerlies through at least 8/9 keep it south. 
You all need to remember that you need a deep trough in the Ohio Valley to bring anything north. We have nothing even close to it. Your best bet is some leftover rain and hangover breathe type gusts from 1015 MB low 10-14 days from now. 

While many don't agree, SNE threats or hits are very easy to see coming given the very limited upper pattern that allows it to happen.  As you state, it isn't happening without a deep Ohio Valley trough.  Trying to thread the needle with other upper-level setups is always a lost cause.   Blocking high off to the east/northeast is helpful, but the OH Valley trough is always the main driver.

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21 minutes ago, FXWX said:

While many don't agree, SNE threats or hits are very easy to see coming given the very limited upper pattern that allows it to happen.  As you state, it isn't happening without a deep Ohio Valley trough.  Trying to thread the needle with other upper-level setups is always a lost cause.   Blocking high off to the east/northeast is helpful, but the OH Valley trough is always the main driver.

Totally agree—you can almost always see the threat from range, or at least get a sense that it could trend that way. Isaias is a good example. Henri probably a counter example but fairly quickly I think we could see it was worth watching. 

I do think the right kind of ridge could theoretically bring some sort of eastern NE tropical threat without much of a classic Midwest trough, but that’d be like threading multiple needles.

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