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Jan 23/24 Major Coastal Storm Discussion


Zelocita Weather

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Just wondering if this storm would be considered a Miller A or a Miller B? I saw mention on one post that this storm was easier to forecast in the longer term being a Miller A; but also saw mention of redevelopment off the coast being a key which sounds more like a Miller B. Trying to learn the dynamics going on with this storm however it turns out.

http://www.americanwx.com/bb/index.php?/topic/1415-Miller-A-vs-Miller-B

Miller A vs Miller B

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I think it'll be worse than that if it continues. PHL will likely get squat and DCA may even be somewhat fringed

that's a big WOW even DC I thought they werw right in the middle of the safe zone. In 3 hours and 10 minutes we find out if today's events were a blip or the beginning of a clear and major trend

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Well, the good news would be that the further offshore tracks would be better from a coastal flooding standpoint. The 18z GFS keeps the 50+ knot winds well offshore now. There would probably still be blizzard conditions though for coastal sections, especially the NJ coast. 

 

18z GFS wasn't bad for this subforum and would still be a MECS for NYC south and east, but it wouldn't take much more of a suppressed track to make it more  :yikes:  for many. 

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Well, the good news would be that the further offshore tracks would be better from a coastal flooding standpoint. The 18z GFS keeps the 50+ knot winds well offshore now. There would probably still be blizzard conditions though for coastal sections, especially the NJ coast. 

 

18z GFS wasn't bad for this subforum and would still be a MECS for NYC south and east, but it wouldn't take much more of a suppressed track to make it more  :yikes:  for many.

Or a further N track to be beneficial.
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I know the trend has been south but why aren't more optimistic that the typical north trend with southern stream systems the last 48 hours will happen here? Just seems we often see this south move 3 days out only to see it come back. I know 2010 was bad but this started with a further north look and is coming with more of a sw to ne trajectory then that did. I expect a northward correction in the final 48 hours. As long as this stays close like this your not in a bad spot IMO.

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I know this might sound lame, but its a whole new ball game tonight with all the players entering the field on the West Coast. Forget any model run prior to 0z, put aside any tick, shift, adjustment, or otherwise. The real tracking begins tonight imho and I have said this all week. Tonights suite with the new data is the foundation for the weekend forecast, not what a model showed 48 hours ago, or even 12 hours ago. Lets see what 0z gives us tonight and take it from there the next 3 days.

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I know the trend has been south but why aren't more optimistic that the typical north trend with southern stream systems the last 48 hours will happen here? Just seems we often see this south move 3 days out only to see it come back. I know 2010 was bad but this started with a further north look and is coming with more of a sw to ne trajectory then that did. I expect a northward correction in the final 48 hours. As long as this stays close like this your not in a bad spot IMO.

I think that Feb 10' storm really did leave quite an impression on us so it's only natural to be concerned with these suppression trends! Hopefully we do get that northward correction though.

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I know the trend has been south but why aren't more optimistic that the typical north trend with southern stream systems the last 48 hours will happen here? Just seems we often see this south move 3 days out only to see it come back. I know 2010 was bad but this started with a further north look and is coming with more of a sw to ne trajectory then that did. I expect a northward correction in the final 48 hours. As long as this stays close like this your not in a bad spot IMO.

Agreed, looking good imo hoff, too far nw late yesterday, corrected we now, hopefully we get a wobble back...like the last 2 coastal storms trended

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I think that Feb 10' storm really did leave quite an impression on us so it's only natural to be concerned with these suppression trends! Hopefully we do get that northward correction though.

Don't forget the blizzard of 2003 (or 2002?) also was supposed to be way too far south due to that banana high and it eventually just road up the coast. AO is actually trending more positive than I first believed.. May be enough breathing room for this to come up north, even if that pesky s/w attempts to wreek it's habit.

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^^this

A good portion has already begun moving inland though the entire entity will not be fully sampled until 12z wednesday.

The big feature with the 00z suite, imho, is the s/w feature that earthlight spoke about which is suppressing the height fields. This feature, while not sampled quite fully either, has huge implications with regards to the eventual evolution of our storm. The 18z Rgem showed this feature being more sheared and quicker than the Euro or Gfs depicted at 12z. Is this just noise, or is the Rgem on to something? That remains to be seen, however, with the Rgem being a damn good short range, I tend to believe we will see a different solution at 00z. Furthermore, the AO is relaxing very quickly (as the AO tends to chat get quickly from my experience) and this is also going to allow less suppression imho.

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The big feature with the 00z suite, imho, is the s/w feature that earthlight spoke about which is suppressing the height fields. This feature, while not sampled quite fully either, has huge implications with regards to the eventual evolution of our storm. The 18z Rgem showed this feature being more sheared and quicker than the Euro or Gfs depicted at 12z. Is this just noise, or is the Rgem on to something? That remains to be seen, however, with the Rgem being a damn good short range, I tend to believe we will see a different solution at 00z. Furthermore, the AO is relaxing very quickly (as the AO tends to chat get quickly from my experience) and this is also going to allow less suppression imho.

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True. If the Euro is overplaying that northern stream feature or if it can get out of the way, the storm shouldn't have an issue amplifying enough to the north. 

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I know the trend has been south but why aren't more optimistic that the typical north trend with southern stream systems the last 48 hours will happen here? Just seems we often see this south move 3 days out only to see it come back. I know 2010 was bad but this started with a further north look and is coming with more of a sw to ne trajectory then that did. I expect a northward correction in the final 48 hours. As long as this stays close like this your not in a bad spot IMO.

Arent the computer models better now than when pdII and 96 trended north?

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