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2/12-13 Potential Coastal Storm Threat


Typhoon Tip

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Another thought about possible determining factors... and we've alluded to this in terms of having enough spacing

 

Comparing 0z vs. 18z GFS, the lead shortwave may be influencing how progressive our storm will be.

 

At 0z, lead shortwave remains closed for longer at H5, and this may be dampening ability of our trough to swing more negative.

 

At 18z, the lead shortwave opens faster and our trough has more ability to pinch and close off sooner.

The lead shortwave is also a little farther east at 18z than at 0z.

 

Subtle but 0z is not far from a bigger solution.

 

 

 

 

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The vortmax looks better on this...stronger and it's rounding the base a bit tighter than 12z....still prob not quite enough but I'd expect it to be an advisory event or something on this run

Expect and you shall receive. Looks like a general 2-3 spot 4" for most of SNE with higher totals out on the cape.

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The euro and gfs both look like they have a bit of an inverted trough over much of southern New England, especially as the system works to amplify to our south.  As the 850 develops enough moisture should get thrown back to where even back across CT at least a good 2-4'' type deal would be possible, especially from 91 on east.  

 

Definitely can't rule out some sort of earlier development with this...looks like as the initial low associated with the s/w moves overhead from Canada it's energy becomes transferred and we see new low development occur south of CT/RI...there is plenty of room for this to occur and happen earlier than what is modeled.   

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