ATL: ARTHUR - Post-Tropical - Discussion

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cpdaman
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Re: Re:

#2701 Postby cpdaman » Fri Jul 04, 2014 12:53 am

Jevo wrote:
cpdaman wrote:How far north of NC/VA did Euro have tropical storm winds sustained/ anyone. Seems like that is nailing it best


Actually the Euro was the Eastern outlier for most of this storms life... The GFS and..... dare I say it.... HWRF had this path dialed in about 48 hours ago.

HWRF has TS force winds over the cape in 24-27 hours http://i.imgur.com/Z1iqSqc.png Euro runs in about 10 mins


I never trust the GFS, because I have seen it Out to lunch on so many big Coastal storm in the NE (where I now live) so it's tuff to shake that for me. I just heard Norcross saying Euro seems to have nailed what's going on now....and Euro has it strengthening here (12z euro) .

looks like first squalls will be hitting S part of Delmarva in the next hour
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#2702 Postby bahamaswx » Fri Jul 04, 2014 12:53 am

Can anyone link a good live radar?
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Re: ATL: ARTHUR - Hurricane - Discussion

#2703 Postby NDG » Fri Jul 04, 2014 12:55 am

81 mph wind gusts at Hatteras Coast Guard Station, starting to get hit with Eyewall.
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Re: ATL: ARTHUR - Hurricane - Discussion

#2704 Postby Kalrany » Fri Jul 04, 2014 12:55 am

NDG wrote:Pressure down to 975mb

.....
CNTR DROPSONDE SFC WIND 255/16 KT


WITH a 16kt surface wind!/quote]


I am going to show my ignorance with this question, but why is that significant? What does that mean in terms of the storm intensity in practical terms?/quote]

I believe the general rule of thumb is to subtract 1mb for every 10kts of surface wind (since the surface wind indicates the drop slightly missed the center.)

Disclaimer: But I'm a mathematician, and don't know anything about meteorology.[/quote]

OK. So then the pressure is really more like 974-973... So it is a stronger Cat 2? Is there a table or equation that correlates mb pressure and windspeed? I just want to try to understand...
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Re: ATL: ARTHUR - Hurricane - Discussion

#2705 Postby bahamaswx » Fri Jul 04, 2014 12:57 am

Kalrany wrote:OK. So then the pressure is really more like 974-973... So it is a stronger Cat 2? Is there a table or equation that correlates mb pressure and windspeed? I just want to try to understand...


There is a strong correlation between pressure and wind speed, but it is not possible to exactly calculate one from the other, as many other factors come into play. In general though, a lower pressure indicates a stronger storm (and thus increased wind speed.)
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Re: ATL: ARTHUR - Hurricane - Discussion

#2706 Postby Kalrany » Fri Jul 04, 2014 12:59 am

bahamaswx wrote:
Kalrany wrote:OK. So then the pressure is really more like 974-973... So it is a stronger Cat 2? Is there a table or equation that correlates mb pressure and windspeed? I just want to try to understand...


There is a strong correlation between pressure and wind speed, but it is not possible to exactly calculate one from the other, as many other factors come into play. In general though, a lower pressure indicates a stronger storm (and thus increased wind speed.)


OK. Thank you. So basically the take away is that the storm is still strengthening a bit.
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Re: ATL: ARTHUR - Hurricane - Discussion

#2707 Postby supercane4867 » Fri Jul 04, 2014 12:59 am

Down to 973mb

...EYE OF ARTHUR MOVING UP THE WEST SIDE OF PAMLICO SOUND...
2:00 AM EDT Fri Jul 4
Location: 35.3°N 76.1°W
Moving: NE at 21 mph
Min pressure: 973 mb
Max sustained: 100 mph
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#2708 Postby HurriGuy » Fri Jul 04, 2014 1:00 am

NHC: Pressure down to 973
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#2709 Postby Aric Dunn » Fri Jul 04, 2014 1:02 am

quite amazing..
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#2710 Postby HurriGuy » Fri Jul 04, 2014 1:03 am

Jim Cantore is about to be hit hard
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Re:

#2711 Postby SouthernBreeze » Fri Jul 04, 2014 1:03 am

bahamaswx wrote:Can anyone link a good live radar?

http://radar.weather.gov/radar.php?prod ... x&loop=yes
Last edited by SouthernBreeze on Fri Jul 04, 2014 1:04 am, edited 1 time in total.
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Re:

#2712 Postby bahamaswx » Fri Jul 04, 2014 1:04 am

HurriGuy wrote:Jim Cantore is about to be hit hard


He moved a little bit south. Needs to go back to Rodanthe.

SouthernBreeze wrote:
bahamaswx wrote:Can anyone link a good live radar?

http://radar.weather.gov/radar.php?prod ... x&loop=yes


Thanks!
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#2713 Postby jaxfladude » Fri Jul 04, 2014 1:05 am

:uarrow: :double:
I hope that the morning brings good news all things considered, minimal damage/injuries(nothing worse)!
I give my best for all!


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#2714 Postby bahamaswx » Fri Jul 04, 2014 1:07 am

Recon is done. :(

Gonna have to rely on ground reports now.
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#2715 Postby HurriGuy » Fri Jul 04, 2014 1:08 am

Hatteras been in that very intense band for about a hour now. Gotta imagine it is not pretty.
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#2716 Postby Aric Dunn » Fri Jul 04, 2014 1:08 am

Wish in was there...
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Re: ATL: ARTHUR - Hurricane - Discussion

#2717 Postby NDG » Fri Jul 04, 2014 1:10 am

90 mph wind gusts in Hatteras.
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Re: ATL: ARTHUR - Hurricane - Discussion

#2718 Postby JtSmarts » Fri Jul 04, 2014 1:14 am

Jeff Piotrowski is chasing at Cape Hatteras and is reporting a bunch of debris flying around him.

http://www.ustream.tv/channel/chasercam-live?utm_campaign=t.co&utm_source=ustre.am%2F2wiP&utm_medium=social&utm_content=20140703231157
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Re: Re:

#2719 Postby 72Packer » Fri Jul 04, 2014 1:14 am

bahamaswx wrote:
HurriGuy wrote:Jim Cantore is about to be hit hard


He moved a little bit south. Needs to go back to Rodanthe.

He is probably safer in Waves. The island has been washed across just north of Rodanthe, and a number of homes lost there. It appears he is near a strong structure where he is. The ocean has taken a number of homes in Rodanthe.
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#2720 Postby HurricaneHunter914 » Fri Jul 04, 2014 1:17 am

Eyewall closed and more symmetrical at the end of the frame. Arthur still going strong.
http://radar.weather.gov/radar.php?rid= ... 1&loop=yes
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