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PTC Matthew


PaEasternWX

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8 minutes ago, HKY_WX said:

Eyewall is close to closing off on the latest Cuba radar in the most recent frame.

Yeah that hottower just needs to persist a bit longer and it's got a pinhole eye closed off. On the COD 2km nextgen you can see it evolving almost as nicely.

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5 minutes ago, ldub23 said:

80 knots is  it? this  might  be a weak cat2 now.

Most probably a cat 2 now...from the earlier 105kts FL, they will probably put it at 95kts or so in the next advisory.

 

This will most probably intensify quite rapidly overnight.

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That would not be a 95 mph hurricane...


And by definition of RI, if Matthew ever decides to undergo RI for a 24 hour period (which is still technically possible) it would drop its pressure down around 913mb. I don't expect 24 straight hours of RI but certainly a 930mb-ish Cat 3/4 at landfall would not surprise me in the least.
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5 minutes ago, WaPo said:

My point was that Matt's current structure does not support the idea of RI at the moment. 

You don't need RI to have a Cat 4 at landfall.  It's starting from a strong base.

RI is weeniesm.  Whether this is a 930-940ish storm (obviously most likely scenario based upon historic landfalls) or the UBERSTORMOMG is more a matter of masturbatory natural disaster voyeurism.  From a policy perspective, a solid Cat 4 landfalling in SE Florida is a mess even if it doesn't produce weather porn sat pics.

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9 minutes ago, jojo762 said:

strongest winds the new recon flight found in the eastern eye wall were only ~80kts at the surface.

I only see 76kt...hopefully it keeps this up for FL as even those winds (east side) don't extend that far.  Plus, it's progged to go right over bigger island which should inhibit.

Looks like 95kt (110mph) on strong side, should be reduced here at 8pm.  Would expect tomorrows progs to be reduced too.

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Recon today found a broadening gradient. That's why the winds have come down despite the overall pressure remaining low. I stated last night that land interaction over a lengthy mountainous geographic region of Cuba would disrupt the core. I thought it might even weaken down to a Cat 2, though I thought it would've been earlier.

What folks should realize is that the pressure gradient has to tighten back up within the already expanded and broader lower background pressure. However, with sustained intense cells actually convecting within the main eye band, the pressure will start responding by falling. Key is that it will have to fall drastically to create a new tight gradient within the broader low pressure field. That takes time. But unfortunately it has that. Another 36 hrs or so of that.

Several folks have called for a Cat 5 again already but it's incredibly difficult for a system with a broad gradient field to regain that. However, if the pressure begins to fall rapidly enough, the winds will respond significantly and I still think there is a high risk of this regaining Cat 4. If it goes into RI long enough and the pressure was to reach the 920s, then it could even push that upper Cat 4 to low Cat 5 boundary, though it has a lot of intensifying to undergo pressure wise before the winds could do that.







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3 minutes ago, wxmx said:

Most probably a cat 2 now...from the earlier 105kts FL, they will probably put it at 95kts or so in the next advisory.

 

This will most probably intensify quite rapidly overnight.

if the eye  clears  out  i would agree. guess we can just wait and see

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1 minute ago, packbacker said:

I only see 76kt...hopefully it keeps this up for FL as even those winds (east side) don't extend that far.  Plus, it's progged to go right over bigger island which should inhibit.

For those who don't know Bahamas geography, that "bigger island" is Andros which is basically a massive steaming swamp, and flat as a board.  There's a reason it is barely inhabited, despite it's size.  I wouldn't count on it posing too much of an impediment to intensification, or at least steady-state.

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1 minute ago, Drz1111 said:

You don't need RI to have a Cat 4 at landfall.  It's starting from a strong base.

RI is weeniesm.  Whether this is a 930-940ish storm (obviously most likely scenario based upon historic landfalls) or the UBERSTORMOMG is more a matter of masturbatory natural disaster voyeurism.  From a policy perspective, a solid Cat 4 landfalling in SE Florida is a mess even if it doesn't produce weather porn sat pics.

Oh totally. I can definitely see a CAT 4 at landfall. All I was trying to say was that people should temper their weenieism for RI, particularly for a CAT 5 storm by tomorrow. Of course, there's a possibility for that to happen, but the structure isn't there; it is getting there, but I don't believe it will be fast enough. 

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1 minute ago, HKY_WX said:

Eyewall appears to have closed off on the latest radar frames. Obviously can't confirm w/o new RECON info. That said, i think we'll start to see the pressure drop now.

Yeah, it might take a couple of hours, but we're getting there. New vigorous convective burst in the northern semi-circle certainly isn't going to hurt.

 

No patience in most of this thread. :P

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1 minute ago, Bostonseminole said:

are people looking at the same satellite? I am not sure if it will be RI type of intensification but it should get stronger over the next 30 hrs

Lots  of times convection looks  great but unless an eye clears  out i dont expect  much. this  could alot  like  1979 david for  FLA. nuisance, but  not  disaster.

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