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Hurricane Isaias


wxeyeNH
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There are reports of 100-knot flight level winds, multiple findings by the HHs in the eastern eye wall and now the NE quadrant they are finding similar readings.  NC is in danger right now.  the eastern circulation of Isaias is showing potential for rotating thunderstorms moving off the ocean from the southeast.  Capable of bad damage.  We need to be ready for those type of storms tomorrow afternoon.  Especially if we can get sunshine.

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Final Call Saturday night:

 

 
 
 
 
 
 
 
 
 
Much of the forecast philosophy from Saturday's First Call remains applicable, however, a track slightly further to the west with respect to the second landfall in in the Carolinas seems likely. Although some of this may be negated if the center reforms to the northeast in the vicinity of the mid level low. This slightly further west track would imply a slightly weaker storm, since the storm would have a bit more interaction with the coast of Florida. The system has weakened to a tropical storm, as implied may be the case. 
 
Now.jpg
 
However, A period of intensification is still anticipated Sunday into Monday as Isaias approaches the coast.
 
Final Call:
ISAIAS%2BFINAL%2BCALL.png
 
First Call issued Yesterday:
 
Isaias%2BFirst%2BCall.png
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The tornado threat tomorrow in SNE is legit. Usually with TCs we're starved for instability but most of these systems come through in the fall, I can't really remember the last time we had one right at the peak of high summer when the atmosphere is already juiced. Could definitely get interesting.

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Just now, ct_yankee said:

The tornado threat tomorrow in SNE is legit. Usually with TCs we're starved for instability but most of these systems come through in the fall, I can't really remember the last time we had one right at the peak of high summer when the atmosphere is already juiced. Could definitely get interesting.

Yeah this is really serious.  I am not talking the EF-0s that are common place nowadays in SNE, lol, but we could be talking stronger tornadoes.  Shear is expected to be awfully strong.

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4 minutes ago, powderfreak said:

You can pretty much see where the low level jet is in the dry slot rolling up through SNE and eastern NNE.

Will the strongest winds be just ahead of the precipitation?  Or will they move through with any stronger convective elements?

namconus_ref_frzn_neus_20.thumb.png.383cf7b1f99433d5400a81244f59fb64.png

namconus_ref_frzn_neus_22.thumb.png.99948dd89dfc3930ed657d18c6ec4316.png

I think just after those shwrs. Lapse rates briefly steepen a bit as the core LLJ moves in, 

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11 minutes ago, CoastalWx said:

What dendy posted. The NAM.

It’s gotten windier since earlier. The euro may be leading the way. Still not sure about 100-110 knots at 850 like the euro has, but the NAM is now getting some 75-80s in there. 

Has 60 knots at 950 over E CT to BOS at 00z tomorrow. 

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