ATL: Ex Tropical Storm EARL - Discussion

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Danny MD
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Re: ATL: Hurricane EARL - Discussion

#2901 Postby Danny MD » Tue Aug 31, 2010 11:55 am

Yes what if this trough is very weak, or late resulting in not doing what it is suppose to do?

What I am asking here is what is the possibility of a significant shift west. So much so that say it makes landfall 30 miles North of Wilmington, and then cross over the chesapeake bay then going through delaware resulting in DC and Phily getting tropical storm winds or greater then followed by NYC?

^ Would that be a 0% chance?

Sorry for so many questions, but is it *possible* for the megalopolis to all get slammed by this?
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Re: ATL: Hurricane EARL - Discussion

#2902 Postby TheBurn » Tue Aug 31, 2010 11:58 am

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Re: ATL: Hurricane EARL - Discussion

#2903 Postby ncweatherwizard » Tue Aug 31, 2010 12:00 pm

Danny MD wrote:Yes what if this trough is very weak, or late resulting in not doing what it is suppose to do?

What I am asking here is what is the possibility of a significant shift west. So much so that say it makes landfall 30 miles North of Wilmington, and then cross over the chesapeake bay then going through delaware resulting in DC and Phily getting tropical storm winds or greater then followed by NYC?

^ Would that be a 0% chance?

Sorry for so many questions, but is it *possible* for the megapolis to all get slammed by this?


Like 0.1% chance?

The models are really good at forecasting the general nature of the flow higher in the atmosphere (say a few miles off the ground). Energy will propagate eastward through the middle and upper atmosphere, and the trough will materialize. Where it will and exactly how strong it will be gives us part of the uncertainty in how close Earl will come to the East Coast.
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Re: ATL: Hurricane EARL - Discussion

#2904 Postby UpTheCreek » Tue Aug 31, 2010 12:01 pm

Danny MD wrote:Yes what if this trough is very weak, or late resulting in not doing what it is suppose to do?

What I am asking here is what is the possibility of a significant shift west. So much so that say it makes landfall 30 miles North of Wilmington, and then cross over the chesapeake bay then going through delaware resulting in DC and Phily getting tropical storm winds or greater then followed by NYC?

^ Would that be a 0% chance?

Sorry for so many questions, but is it *possible* for the megalopolis to all get slammed by this?



No offense intended, but do you actually expect someone here to say, with absolute certainty, that your scenario would indeed be an impossibility with a 0% chance? That's ridiculous and you already know it's possible, it's mother nature, anything is possible. Low percentage, probably. Unlikely? Probably. But certainly not impossible! :D
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Re: ATL: Hurricane EARL - Discussion

#2905 Postby plasticup » Tue Aug 31, 2010 12:01 pm

sandyb wrote:i think they are keeping it low key due to the last big holiday weekend of the summer...we have hotels here complaining that they are empy this weekend

Regardless of whether the storm makes landfall, this weekend won't be the Labor Day beach vacation that people had hoped for.
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Re: ATL: Hurricane EARL - Discussion

#2906 Postby SoupBone » Tue Aug 31, 2010 12:01 pm

Anyone want to take a shot in the dark for possible conditions at Myrtle beach this weekend? :?:
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Re: ATL: Hurricane EARL - Discussion

#2907 Postby Cyclone1 » Tue Aug 31, 2010 12:03 pm

UpTheCreek wrote:
Danny MD wrote:Yes what if this trough is very weak, or late resulting in not doing what it is suppose to do?

What I am asking here is what is the possibility of a significant shift west. So much so that say it makes landfall 30 miles North of Wilmington, and then cross over the chesapeake bay then going through delaware resulting in DC and Phily getting tropical storm winds or greater then followed by NYC?

^ Would that be a 0% chance?

Sorry for so many questions, but is it *possible* for the megalopolis to all get slammed by this?



No offense intended, but do you actually expect someone here to say, with absolute certainty, that your scenario would indeed be an impossibility with a 0% chance? That's ridiculous and you already know it's possible, it's mother nature, anything is possible. Low percentage, probably. Unlikely? Probably. But certainly not impossible! :D


The chance is so close to 0% that might as well be 0. So, I'll say it.

Impossible.
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Re: ATL: Hurricane EARL - Discussion

#2908 Postby sandyb » Tue Aug 31, 2010 12:07 pm

Cyclone1 wrote:
UpTheCreek wrote:
Danny MD wrote:Yes what if this trough is very weak, or late resulting in not doing what it is suppose to do?

What I am asking here is what is the possibility of a significant shift west. So much so that say it makes landfall 30 miles North of Wilmington, and then cross over the chesapeake bay then going through delaware resulting in DC and Phily getting tropical storm winds or greater then followed by NYC?

^ Would that be a 0% chance?

Sorry for so many questions, but is it *possible* for the megalopolis to all get slammed by this?



No offense intended, but do you actually expect someone here to say, with absolute certainty, that your scenario would indeed be an impossibility with a 0% chance? That's ridiculous and you already know it's possible, it's mother nature, anything is possible. Low percentage, probably. Unlikely? Probably. But certainly not impossible! :D


The chance is so close to 0% that might as well be 0. So, I'll say it.

Impossible.

glad you are saying 0% casue that would put me right in the middle of it as it stands now it should maybe give us ts winds where i am according to our local weather but if it was to come in just north of wilmington the we would get the worst of it had to many of those happen here
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Re: ATL: Hurricane EARL - Discussion

#2909 Postby UpTheCreek » Tue Aug 31, 2010 12:07 pm

Cyclone1 wrote:
UpTheCreek wrote:
Danny MD wrote:Yes what if this trough is very weak, or late resulting in not doing what it is suppose to do?

What I am asking here is what is the possibility of a significant shift west. So much so that say it makes landfall 30 miles North of Wilmington, and then cross over the chesapeake bay then going through delaware resulting in DC and Phily getting tropical storm winds or greater then followed by NYC?

^ Would that be a 0% chance?

Sorry for so many questions, but is it *possible* for the megalopolis to all get slammed by this?



No offense intended, but do you actually expect someone here to say, with absolute certainty, that your scenario would indeed be an impossibility with a 0% chance? That's ridiculous and you already know it's possible, it's mother nature, anything is possible. Low percentage, probably. Unlikely? Probably. But certainly not impossible! :D


The chance is so close to 0% that might as well be 0. So, I'll say it.

Impossible.



Wait a cotton pickin' minute here! Which WILMINGTON??? lol Wouldn't take much of shift westward to landfall in Wilmington, NC!
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Re: ATL: Hurricane EARL - Discussion

#2910 Postby wxman57 » Tue Aug 31, 2010 12:08 pm

I happen to think that Earl could very easily track right over Wilmington, NC and right up along the East U.S. Coast, producing hurricane conditions from NC to Cape Cod. All it would take is a difference in timing of the approaching trof by a few hours or a faster than projected forward speed by Earl over the next day or two.

Now that's not my current forecast, as I think Earl may pass within 75 miles of Cape Hatteras but remain offshore. But I'd be preparing for a hurricane and hoping for the best if I lived along the East Coast.

P.S. Did you mean Wilmington, DE? There are a lot of Wilmingtons over in that area. But even Wilmington, DE could see hurricane-force wind if Earl tracks over eastern NC/VA.
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Re: ATL: Hurricane EARL - Discussion

#2911 Postby UpTheCreek » Tue Aug 31, 2010 12:10 pm

I'm just funnin'........anything is possible, but I agree, that ain't gonna happen. At least I hope not! :wink:
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Re: ATL: Hurricane EARL - Discussion

#2912 Postby Danny MD » Tue Aug 31, 2010 12:11 pm

Thanks all. And wow that would be terrible if that happened wx had no idea an error in timing could result in that becoming a not so unlikely scenario.
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Re: ATL: Hurricane EARL - Discussion

#2913 Postby Danny MD » Tue Aug 31, 2010 12:13 pm

Sorry should of Clarified, was refering to Wilmington NC. But I suppose if a far west track was taken strong winds in the delaware wilmington could be bad too!
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Re: ATL: Hurricane EARL - Discussion

#2914 Postby plasticup » Tue Aug 31, 2010 12:15 pm

wxman57 wrote:All it would take is a difference in timing of the approaching trof by a few hours

That little? I didn't realize the system was that sensitive.
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Re: ATL: Hurricane EARL - Discussion

#2915 Postby RL3AO » Tue Aug 31, 2010 12:17 pm

plasticup wrote:
wxman57 wrote:All it would take is a difference in timing of the approaching trof by a few hours

That little? I didn't realize the system was that sensitive.


We're talking about a system thats near Vancouver right now. If its a few hours slower or Earl is a few hours faster, the greater risk it has to hit the Outer Banks.
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Re: ATL: Hurricane EARL - Discussion

#2916 Postby dixiebreeze » Tue Aug 31, 2010 12:18 pm

Does anyone know why there are no tropical forecast points on the IR floater for Earl now.
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Re: ATL: Hurricane EARL - Discussion

#2917 Postby UpTheCreek » Tue Aug 31, 2010 12:19 pm

:uarrow: Those are the very reasons why I am in so much awe of the forecasters......so many variables to contend with.
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Re: ATL: Hurricane EARL - Discussion

#2918 Postby MHurricanes » Tue Aug 31, 2010 12:21 pm

ncweatherwizard wrote:I do tend to be conservative when thinking about watches and warnings, but I feel it would be unwise if NHC came out with a Hurricane Watch over a large area right now. I would use the higher than average confidence in this forecast track and try not to put up a false alert for too many folks (granted, it is only a Watch). If you issue a Hurricane Watch too far north where there is a larger population (i.e. southeastern VA), then media coverage will become unreasonable. Given the confidence in the forecast track, a Hurricane Watch is reasonable for just the NC capes--maybe just from Cape Lookout to Oregon Inlet for now. They can always extend it early tomorrow morning if necessary when or before they issue Tropical Storm Warnings. They can issue a Tropical Storm Watch for half the East Coast for all I care though because it will likely verify (yes, it's premature right now for SNE since it's over 3 days out).


You make some very good points. By late tomorrow, I'm sure the NHC will have a much better feel for how close Earl will come to skirting the coast or possibly making landfall. As others have discussed over the past 24 hours, just a slight jog to the west could mean the difference between windy weather and high surf and destructive hurricane force winds and a devastating storm surge.

- MHurricanes
Last edited by MHurricanes on Tue Aug 31, 2010 12:22 pm, edited 1 time in total.
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Re: ATL: Hurricane EARL - Discussion

#2919 Postby dixiebreeze » Tue Aug 31, 2010 12:21 pm

Buoy 41046 East Bahamas:

Conditions at 41046 as of
(12:50 pm EDT)

Wind Direction (WDIR): NE ( 50 deg true )
Wind Speed (WSPD): 25.3 kts
Wind Gust (GST): 31.1 kts
Wave Height (WVHT): 15.4 ft
Dominant Wave Period (DPD): 13 sec
Average Period (APD): 7.9 sec
Mean Wave Direction (MWD): ESE ( 115 deg true )
Atmospheric Pressure (PRES): 29.81 in
Pressure Tendency (PTDY): -0.04 in ( Falling )
Air Temperature (ATMP): 82.8 °F
Water Temperature (WTMP): 85.3 °F
Dew Point (DEWP): 71.4 °F
Heat Index (HEAT): 87.6 °F
Combined plot of Wind Speed, Gust, and Air Pressure
Last edited by dixiebreeze on Tue Aug 31, 2010 12:26 pm, edited 1 time in total.
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#2920 Postby HURAKAN » Tue Aug 31, 2010 12:23 pm

Image

the western portion of the cone would be horrible
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