WxSynopsisDavid
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Everything posted by WxSynopsisDavid
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Negative, lopsided appearance is due to the hot towers rapidly going up. They are so big they are blocking the eye and causing a distorted appearance. You also got mesovortices inside the eye too.
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That’s exactly what happened, but you also have a jet streak up top enhancing the RI along with the trough. This frictional-induced RI is going to be incredible to witness.
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The rapid burst of -90c in NW eyewall with new convection going up in NE eyewall is indicative of frictional-induced RI.
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And just like that, you can see velocities spiking on radar again. Also, the eye is ragged looking due to mesovortices rotating around the eye, if anyone was interested.
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I don’t think I’m staying awake for that lol. Reason I got antsy and cross eyed, with the quickness I fired that post out. Really hoping Idalia would be a Cat 4, now the suspense and intrigue is killing me. Curious to see just how much more Idalia can go. With this jet streak setting up shop, it could supply one last rapid intensification phase on landfall.
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I deleted the post, I was reading too fast. I need some sleep lol.
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Yeah this is a classic textbook example of a hurricane that featured steep pressure falls and winds lagged, took several hours to catch up. Unfortunately, the timing is not great as winds are catching up as Idalia sets up for a landfall.
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Looks like latest recon pass has 123kt FL wind and SFMR of 116kt. Idalia is most definitely a Category 4, 130mph cane.
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Wow….textbook and classic feature of high-end canes. Idalia still has a high ceiling for intensity through landfall.
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Radar, no indication of dry air
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Appearing highly likely that winds are roughly 130mph at the surface in the east quad of the eyewall. Seen a few spikes in excess of 140mph, so it’s plausible Idalia is now a Category 4. Velocities are spiking as the core is tightening up. Frictional-induced RI looks to be occurring.
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Using radar, the east quad is where the fastest winds are. Velocities are also spiking in that region.
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Not certain that’s what is happening. Beam height of the radars is my main question. Also appears the left side (east side) is undergoing frictional interference. So far not seeing any indications of what you mentioned in the recon data.
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Eyewall is closed, no dry air entrainment whatsoever into the core. All is good, what you are seeing is land interaction, friction induced.
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Can’t recall a cane that was tilted like that, a TS, undergo the struggles it endured earlier today to bomb out like this and be knocking on Cat 4 intensity. I’m sure some of you can remember an analog, and I’ll be interested to know and study it if provided.
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I’ll take that bet and say another 20mb drop. If I’m wrong a round of shots on me? But this has to be one of the more impressive inner structures and eyewalls we have seen recently.
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Seems to be a climo with these gulf canes approaching Florida. Ian at one point had this feature if I recall correctly.
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Really interesting but NHC states intensification will continue on landfall bringing intensity to Cat 4 as it landfalls. Seems to be specifically calling for a frictional-induced RI at landfall.
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They now have landfall intensity at Category 4
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Not necessarily, as mentioned this happened earlier tonight on a similar scale and Idalia managed to continue intensification. Unless it’s a true ERC then intensification should continue. I mean, while this was happening, Recon Hunters got 957mb so it didn’t hinder pressure falls at all.
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Yeah I was thinking about Dennis, great analog to reference. Inner structure almost a carbon copy.
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Not actually, as been mentioned earlier there’s been mesovortices rotating around the eye at times. When that happens the eye will appear ragged/rugged but it’s actually not a deterioration.
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There’s a few mesovortices rotating around the eye, not something we typically see with Category 3 hurricanes.
