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December Med/Long Range Discussion


WinterWxLuvr

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1 minute ago, Bob Chill said:

 

Ummm....screams major snow to ice to me. Surface is like in the low-mid 20's. 

Sounds nice going by the descriptions, but of course nobody should take it seriously or expect it to hold in this chaos.    But I'm with Wes...at this point with all the cold air on the map, something's gotta give eventually.  

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3 minutes ago, Eskimo Joe said:

You couldn't have a worse setup for us.  High pressure over Boston moving east with a sub-1000 mb low screaming into West Virginia.  Screams 35 and rain.

I dont know about that. That is a pretty serious cold dome. True arctic air should hold on for quite a while.

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Just now, stormtracker said:

Sounds nice going by the descriptions, but of course nobody should take it seriously or expect it to hold in this chaos.    But I'm with Wes...at this point with all the cold air on the map, something's gotta give eventually.  

 

Goes right along with what I posted this morning. It's a serious CAD setup and even a tn valley runner would still lay down a big mixed event here. As depicted on the 12z euro it would be sorta historic. WSW criteria snowfall encrusted in a shield of ice. 

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1 minute ago, Bob Chill said:

 

Goes right along with what I posted this morning. It's a serious CAD setup and even a tn valley runner would still lay down a big mixed event here. As depicted on the 12z euro it would be sorta historic. WSW criteria snowfall encrusted in a shield of ice. 

12z GGEM went well along with the 12z EURO... EURO is about 24 hrs faster than the GGEM was for this threat

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Just now, Eskimo Joe said:

HR 216, there's nearly a 300 mile fetch off the Atlantic and a retreating high...you can't maintain snow like that.

It changes over well before 216 as Bob said above. But the damage is done by that point. Obviously it would favor the usual areas for a later switch. But you stated It couldnt be worse. When in fact it could be much worse.

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1 minute ago, Eskimo Joe said:

HR 216, there's nearly a 300 mile fetch off the Atlantic and a retreating high...you can't maintain snow like that.

 

There's like 5-8" on the ground by 204. Surface still below freezing for nearly 12 hours after. I'm not sure why you are deviating from actual model output so much. We discussing the run and it's a major event no matter how you slice it. 2 runs in a row with ens support too. Sheesh. 

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1 minute ago, Bob Chill said:

850's go +5-10 between 204 and 210. It's major ice though. 

It would end up being ice/rain verbatim. Its a long way out so details aren't important. If that air mass is real, hard to believe that wouldn't trend more in our favor.  As is, it snows at least a few inches everywhere before 850s warm.  

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1 minute ago, Bob Chill said:

 

There's like 5-8" on the ground by 204. Surface still below freezing for nearly 12 hours after. I'm not sure why you are deviating from actual model output so much. We discussing the run and it's a major event no matter how you slice it. 2 runs in a row with ens support too. Sheesh. 

I guess he doesn't want it... I mean we would all take this run and run... ens were supportive as well as you state

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3 minutes ago, Bob Chill said:

 

There's like 5-8" on the ground by 204. Surface still below freezing for nearly 12 hours after. I'm not sure why you are deviating from actual model output so much. We discussing the run and it's a major event no matter how you slice it. 2 runs in a row with ens support too. Sheesh. 

I doubt that much as the warming would come in first above 850.  It and the GGEM are how we could get winter weather, if the system holds off until Monday, we'd probably be screwedd except the the luvr group way west.

 

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5 minutes ago, Bob Chill said:

 

There's like 5-8" on the ground by 204. Surface still below freezing for nearly 12 hours after. I'm not sure why you are deviating from actual model output so much. We discussing the run and it's a major event no matter how you slice it. 2 runs in a row with ens support too. Sheesh. 

 

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4 minutes ago, Bob Chill said:

 

There's like 5-8" on the ground by 204. Surface still below freezing for nearly 12 hours after. I'm not sure why you are deviating from actual model output so much. We discussing the run and it's a major event no matter how you slice it. 2 runs in a row with ens support too. Sheesh. 

I'm gonna recommend not to engage him any longer.

But anyway, the noteworthy thing I guess is that the Euro isn't alone. I'd take what it's showing, changeover and all.  

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1 minute ago, usedtobe said:

I doubt that much as the warming would come in first above 850.  It and the GGEM are how we could get winter weather, if the system holds off until Monday, we'd probably be screwedd except the the luvr group way west.

 

For the evolution and track I would say the run is top end potential. Which is rarely reached of course and totally agree with you. I like that it follows the general idea of CAD and strong WAA push of precip into established cold. We've done ok with this stuff in 13/14 and 14/15 so maybe I have recency bias. 

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20 hours ago, BaltimoreWxGuy said:

Not as if it were ever necessarily alive but the Sun/Mon system is deff dead now on the 18Z GFS....The system after that doesnt look particularly good either. Would be somewhat surprised if we get an accumulating snow before Christmas in my opinion.

I'm not giving up on the 15th until Sunday afternoon. Snow is fairly close. You want a surprise, this could be it.

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8 minutes ago, Wonderdog said:

I'm not giving up on the 15th until Sunday afternoon. Snow is fairly close. You want a surprise, this could be it.

I like this post and agree.

As for the Euro system for next weekend.....if you compare the past two runs, this run did not trend better.  The whole storm basically shifted 100 miles north and dried up.  The one area that remained the same was the DC/Balt area.  

As others have mentioned, foolishness is nit picking a 200 hour op run.  Going forward, I would just like to see some stuff trend toward us instead of away.  Hopefully the ens trends will be in our favor.

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3 minutes ago, WinterWxLuvr said:

I like this post and agree.

As for the Euro system for next weekend.....if you compare the past two runs, this run did not trend better.  The whole storm basically shifted 100 miles north and dried up.  The one area that remained the same was the DC/Balt area.  

As others have mentioned, foolishness is nit picking a 200 hour op run.  Going forward, I would just like to see some stuff trend toward us instead of away.  Hopefully the ens trends will be in our favor.

thats the one thing...its 9 days out and we have very little wiggle room. If it goes north, we got dry slotted and waste the CAD

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5 minutes ago, WinterWxLuvr said:

I like this post and agree.

As for the Euro system for next weekend.....if you compare the past two runs, this run did not trend better.  The whole storm basically shifted 100 miles north and dried up.  The one area that remained the same was the DC/Balt area.  

As others have mentioned, foolishness is nit picking a 200 hour op run.  Going forward, I would just like to see some stuff trend toward us instead of away.  Hopefully the ens trends will be in our favor.

It really didn't trend as much as it's a new way of getting there. Quite a difference in the upper levels well in advance. Just one of many looks we'll get (for better or worse) over the coming days. 

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1 minute ago, Bob Chill said:

It really didn't trend as much as it's a new way of getting there. Quite a difference in the upper levels well in advance. Just one of many looks we'll get (for better or worse) over the coming days. 

Mon isn't as far off as I would have thought.

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