ATL: DORIAN - Post-Tropical - Discussion

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Re: ATL: DORIAN - Hurricane - Discussion

#7821 Postby smithtim » Tue Sep 03, 2019 8:13 am

plasticup wrote:
wxman57 wrote:Initial reports from both planes inside Dorian are that winds are around 95 kts, but there could be a few pockets of higher wind. I think one of planes reported the formation of a layer of ice on the ocean surface due to all the upwelling of cool water, but that cannot be confirmed.


If this was posted by anyone else I would be cracking up with laughter. But since it's you... is that even possible? I know hurricanes are heat-exchangers, but that just seems ridiculous. The latent heat of fusion of water (for the phase change from 0 celcius water to 0 celcius ice) is 334 joules per gram. That is three times more than is needed to cool the water from 27 degrees to 0 degrees celcius (27 * 4.184 J/g = 112.968 J/g).

Honestly, doesn't pass the sniff test.


In terms of a physical science perspective it makes sense, of course very extreme result of conservation but 185 mph is extreme, i.e. for any action there is an equal an opposite reaction.

This is actually quite interesting and kind of speaks to the importance of considering the ocean depth as a boundary condition within the PDEs which explain the underlying mathematics which create all the gfs, euro etc models. I'm not so sure if the ice thing is real but definitely think the shallow waters had major effect here... I know in past a correlation of shallower water & small storms RI has been observed, and I wonder if we now have an illustration of mega storm rapidly de intensity in shallow?
Last edited by smithtim on Tue Sep 03, 2019 8:28 am, edited 1 time in total.
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Re: ATL: DORIAN - Hurricane - Discussion

#7822 Postby GCANE » Tue Sep 03, 2019 8:16 am

Possibility of tornadoes increasing along the FL coast.
Waterspouts have been spotted.

Image
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Re: ATL: DORIAN - Hurricane - Discussion

#7823 Postby sbcc » Tue Sep 03, 2019 8:19 am

smithtim wrote:
plasticup wrote:
wxman57 wrote:Initial reports from both planes inside Dorian are that winds are around 95 kts, but there could be a few pockets of higher wind. I think one of planes reported the formation of a layer of ice on the ocean surface due to all the upwelling of cool water, but that cannot be confirmed.


If this was posted by anyone else I would be cracking up with laughter. But since it's you... is that even possible? I know hurricanes are heat-exchangers, but that just seems ridiculous. The latent heat of fusion of water (for the phase change from 0 celcius water to 0 celcius ice) is 334 joules per gram. That is three times more than is needed to cool the water from 27 degrees to 0 degrees celcius (27 * 4.184 J/g = 112.968 J/g).

Honestly, doesn't pass the sniff test.


In terms of a physical science perspective it makes sense, of course very extreme result of conservation but 185 mph is extreme, i.e. for any action there is an equal an opposite reaction.

This is actually quite interesting and kind of speaks to the importance of considering the ocean depth as a boundary condition within the PDEs which explain the underlying mathematics which create all the gfs, euro etc models.


OR, it could just be a joke, as WXman57 posted in an earlier comment.
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Re: ATL: DORIAN - Hurricane - Discussion

#7824 Postby smithtim » Tue Sep 03, 2019 8:30 am

sbcc wrote:
smithtim wrote:
plasticup wrote:
If this was posted by anyone else I would be cracking up with laughter. But since it's you... is that even possible? I know hurricanes are heat-exchangers, but that just seems ridiculous. The latent heat of fusion of water (for the phase change from 0 celcius water to 0 celcius ice) is 334 joules per gram. That is three times more than is needed to cool the water from 27 degrees to 0 degrees celcius (27 * 4.184 J/g = 112.968 J/g).

Honestly, doesn't pass the sniff test.


In terms of a physical science perspective it makes sense, of course very extreme result of conservation but 185 mph is extreme, i.e. for any action there is an equal an opposite reaction.

This is actually quite interesting and kind of speaks to the importance of considering the ocean depth as a boundary condition within the PDEs which explain the underlying mathematics which create all the gfs, euro etc models.


OR, it could just be a joke, as WXman57 posted in an earlier comment.


Yeah think the ice is a joke but interesting physics for my mind this morning ( I'm a research guy )
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Disclaimer: while I am PhD who does research I'm rambling here so this post should be taken only for entertainment...use nhc.noaa.gov for official forecasts!

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Re: ATL: DORIAN - Hurricane - Discussion

#7825 Postby Emmett_Brown » Tue Sep 03, 2019 8:34 am

Eye wall reorganizing a bit as seen on this radar? https://apps.sfwmd.gov/sfwmd/common/ima ... flanim.gif

Edit: By reorganizing, more like disrupted, and sorting itself out
Last edited by Emmett_Brown on Tue Sep 03, 2019 8:43 am, edited 1 time in total.
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Re: ATL: DORIAN - Hurricane - Discussion

#7826 Postby toad strangler » Tue Sep 03, 2019 8:38 am

brghteys1216 wrote:
brghteys1216 wrote:
txag2005 wrote:Is there any word on the storm chaser Josh who has been mentioned on this thread in recent days? I saw lots of concern and have been praying for him and his family and friends.


Edited because I can’t get the tweet to embed:

According to this tweet, he has been reported missing. The rescue team supposedly came through the location he was at but made no contact with him.

https://mobile.twitter.com/a_a_ronbroga ... 4271507456


I bet Josh emerges from the rubble muddy head to toe carrying a child swaddled in blankets with a scared family in tow. Signature Hurricane Man
Scowl fixed on his face.
Last edited by toad strangler on Tue Sep 03, 2019 8:38 am, edited 1 time in total.
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Re: ATL: DORIAN - Hurricane - Discussion

#7827 Postby HurricaneEnzo » Tue Sep 03, 2019 8:38 am

Emmett_Brown wrote:Eye wall reorganizing a bit as seen on this radar? https://apps.sfwmd.gov/sfwmd/common/ima ... flanim.gif


If anything looks like it is getting a little less organized to me. It is still sitting over upwelled waters. Likely won't see any improvement until he decides to move. The idea that this will be a 'naked swirl' in 24 hours as someone else mentioned is ludicrous and irresponsible though.
Last edited by HurricaneEnzo on Tue Sep 03, 2019 8:40 am, edited 2 times in total.
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Re: ATL: DORIAN - Hurricane - Discussion

#7828 Postby AdamFirst » Tue Sep 03, 2019 8:38 am

Convection seems to be filling in on the west side of the storm again as well. EC of Florida should be seeing more bands more frequently
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Re: ATL: DORIAN - Hurricane - Discussion

#7829 Postby birdwomn » Tue Sep 03, 2019 8:42 am

Image

Dorian is not alone - nice graphic
Source: https://twitter.com/kellycass/status/11 ... 1144402944
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Re: ATL: DORIAN - Hurricane - Discussion

#7830 Postby hurricaneCW » Tue Sep 03, 2019 8:43 am

As long as shear isn't too strong there's no reason why Dorian can't reintensify. He's also going to be traveling near the gulf stream.

I think once he gets further away from the Bahamas we'll see reorganization. The 24+ hours of stalling and upwelling did a huge number on him. The waters around him are colder than waters off of northern New England.
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Re: ATL: DORIAN - Hurricane - Discussion

#7831 Postby GCANE » Tue Sep 03, 2019 8:45 am

Another video from Marsh Harbor this morning.


[youtube]https://youtu.be/Sk_6yP7s60o[/youtube]
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Re: ATL: DORIAN - Hurricane - Discussion

#7832 Postby supercane4867 » Tue Sep 03, 2019 8:47 am


WOW this is insane. Like 70% of the island is gone???
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Re: ATL: DORIAN - Hurricane - Discussion

#7833 Postby supercane4867 » Tue Sep 03, 2019 8:49 am

brghteys1216 wrote:
brghteys1216 wrote:
txag2005 wrote:Is there any word on the storm chaser Josh who has been mentioned on this thread in recent days? I saw lots of concern and have been praying for him and his family and friends.


Edited because I can’t get the tweet to embed:

According to this tweet, he has been reported missing. The rescue team supposedly came through the location he was at but made no contact with him.

https://twitter.com/a_a_ronbrogan/status/1168777024271507456

Pray for Josh. This is a very worrying situation :cry:
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Re: ATL: DORIAN - Hurricane - Discussion

#7834 Postby eastcoastFL » Tue Sep 03, 2019 8:49 am

toad strangler wrote:
brghteys1216 wrote:
brghteys1216 wrote:


Edited because I can’t get the tweet to embed:

According to this tweet, he has been reported missing. The rescue team supposedly came through the location he was at but made no contact with him.

https://mobile.twitter.com/a_a_ronbroga ... 4271507456


I bet Josh emerges from the rubble muddy head to toe carrying a child swaddled in blankets with a scared family in tow. Signature Hurricane Man
Scowl fixed on his face.


I hope you’re right. I know guys will keep chasing storms but riding out a strong cat 5 on an island with almost no elevation can’t be the best idea.
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Re: ATL: DORIAN - Hurricane - Discussion

#7835 Postby eastcoastFL » Tue Sep 03, 2019 8:53 am

I can’t tell If it’s wobbled west or it’s just the eye opening up on the western side...
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Re: ATL: DORIAN - Hurricane - Discussion

#7836 Postby HurricaneEnzo » Tue Sep 03, 2019 8:54 am

While that tweet is a little concerning Josh probably just moved from his location and is helping people out who need it. I suspect he is ok.
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Re: ATL: DORIAN - Hurricane - Discussion

#7837 Postby HurricaneEnzo » Tue Sep 03, 2019 8:55 am

My computer is freaking out sorry for double post
Last edited by HurricaneEnzo on Tue Sep 03, 2019 8:58 am, edited 1 time in total.
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Re: ATL: DORIAN - Hurricane - Discussion

#7838 Postby supercane4867 » Tue Sep 03, 2019 8:56 am

This is from Abaco, total devastation

 https://twitter.com/elforopr/status/1168684965858553856


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Re: ATL: DORIAN - Hurricane - Discussion

#7839 Postby gailwarning » Tue Sep 03, 2019 8:59 am

StormLogic wrote:
birddogsc wrote:People here are complaining (and TV is broadcasting them) about the timing of the evac and the reversals. Hopefully, movement starts soon so we can get some resolution.


Sheep need to educate themselves on hurricanes if they live in hurricane prone areas. Plain and simple. There is always going to be complainers. Also the ones who whine about missing a show because a tornado warning had to be broadcast during it. I'm so sick and tired of sheeple trying to play victim about hurricanes and try to blame other people for the grief. They sure knew how to educate themselves on how to buy the new popeyes chicken sandwhich when that was released :lol: But one cannot simply understand a spaghetti model or the cone of uncertainty...


Referring to human beings as "sheep" and "sheeple" is offensive IMO and has no place on this board.
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Re: ATL: DORIAN - Hurricane - Discussion

#7840 Postby Bluehawk » Tue Sep 03, 2019 9:00 am

I do not know if this is appropriate, so please mods remove it if it isn't (and please forgive me if I'm adding to your workload with this). I know many of us have a huge weight on our hearts looking at what transpires from the Bahamas. If you're willing to help, there's a group on facebook called Abaco Relief, organized by the S Fl fishing community, people with a huge heart, who have in the past successfully organized relief missions for different humanitarian needs. Good friends know them; they are putting all their names and phone numbers there so people can call them directly if they need to. They know what they are doing, and how to get things over. They are collecting both goods, and money (to help with transportation costs). Their first ship leaves Saturday. On their fb page, you will find the drop off locations, along with lists of what is needed. Side Note: it is on this page that names of people who've been found are posted, and I have to say I also saw Josh Morgerman's name as one of the disappeared, yet to be found, person. Lord have mercy!
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