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December 2019 Med/Long Range Disco


Bob Chill
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4 minutes ago, BristowWx said:

Two schools of thought..there’s room for improvement...it’s fools gold to even track it...

Interesting enough changes at 120 for sure -- let's see if there's more support from other models. And who are we kidding, what else is there to track?

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3 hours ago, MountainGeek said:

Interesting enough changes at 120 for sure -- let's see if there's more support from other models. And who are we kidding, what else is there to track?

It was easy enough to dismiss the CMC but now the GFS is showing a very similar evolution. Have to see if it sticks for a few runs.

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One of these 50/50 lows will break the mold I would think.  It's the most stable feature on ops and ens.  With that feature maybe we can get a trackable event during 8-12 days.  I know others have mentioned this timeframe. 

 Stick a stubborn high in se Can long enough in prime climo....even if its a meh pattern overall.  

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1 hour ago, poolz1 said:

One of these 50/50 lows will break the mold I would think.  It's the most stable feature on ops and ens.  With that feature maybe we can get a trackable event during 8-12 days.  I know others have mentioned this timeframe. 

 Stick a stubborn high in se Can long enough in prime climo....even if its a meh pattern overall.  

It does seem lows are parading through the 50/50 region this season so far.  I’m with you...keep that up in the heart of winter and something will break our way.

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8 minutes ago, losetoa6 said:

Weekend storm...

18z Eps has enough members that make a close approach and a few that are hits to keep me interested another day . Since HH only goes  out  to 144 hr probably a few more close ones in future frames looking at 6hr precip panels. 

How close?  Like EZF close or RIC close? 

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6 minutes ago, losetoa6 said:

Many southern mid Atlantic and yes qpf gets into NC and Va with decent cluster of members.  And as I mentioned at the end of the run - 144 there are a few lows that are still advancing 

The door is still ajar lol

Thanks brother.  Glad you did well today.  Hope you got to Jebwalk in a t-shirt.  I tried that once...not recommended. 

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Some decent trends in the long range. Epo ridge gaining traction and now both the eps and gefs are trending towards lower heights in the east and 50/50 region.

If the northern stream starts trying to dig down into eastern canada it could potentially offset the terrible pacific. There are hints of colder weather sliding through while the san diego troughs keep digging. 

This is a pretty good mean h5 panel. If it's right our chances for winter wx are avg or even above avg. 

gfs-ens_z500a_nhem_65.png

 

If we can see the way out and it holds in time it will make the next 10-15 days much more bearable. 

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5 minutes ago, Bob Chill said:

Some decent trends in the long range. Epo ridge gaining traction and now both the eps and gefs are trending towards lower heights in the east and 50/50 region.

If the northern stream starts trying to dig down into eastern canada it could potentially offset the terrible pacific. There are hints of colder weather sliding through while the san diego troughs keep digging. 

This is a pretty good mean h5 panel. If it's right our chances for winter wx are avg or even above avg. 

gfs-ens_z500a_nhem_65.png

 

If we can see the way out and it holds in time it will make the next 10-15 days much more bearable. 

Do you think the pattern for the next 2 weeks is a lock? Is there anything out there that makes you think things could be modeled wrong? 

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15 minutes ago, Bob Chill said:

Some decent trends in the long range. Epo ridge gaining traction and now both the eps and gefs are trending towards lower heights in the east and 50/50 region.

If the northern stream starts trying to dig down into eastern canada it could potentially offset the terrible pacific. There are hints of colder weather sliding through while the san diego troughs keep digging. 

This is a pretty good mean h5 panel. If it's right our chances for winter wx are avg or even above avg. 

gfs-ens_z500a_nhem_65.png

 

If we can see the way out and it holds in time it will make the next 10-15 days much more bearable. 

Looks like signs of a split flow returning off the West Coast. Love that look on a means.

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7 minutes ago, RobertRath said:

Do you think the pattern for the next 2 weeks is a lock? Is there anything out there that makes you think things could be modeled wrong? 

It's never a lock of course but the next 10 days don't look good and there's universal agreement. The eps first picked up on the pac flood and never wavered and now everything agrees so there's well above normal confidence imho. 

The way out is much muddier and nothing is a lock there at all. At least we're seeing signs of improvement now. 

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39 minutes ago, Bob Chill said:

Some decent trends in the long range. Epo ridge gaining traction and now both the eps and gefs are trending towards lower heights in the east and 50/50 region.

If the northern stream starts trying to dig down into eastern canada it could potentially offset the terrible pacific. There are hints of colder weather sliding through while the san diego troughs keep digging. 

This is a pretty good mean h5 panel. If it's right our chances for winter wx are avg or even above avg. 

gfs-ens_z500a_nhem_65.png

 

If we can see the way out and it holds in time it will make the next 10-15 days much more bearable. 

Perhaps we have hit rock bottom and can begin the long climb out of the abyss (in terms of modeling).

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0z EPS  at the end of the run looks pretty decent. A workable pattern with a split flow and probably normal temps for the east. 0z GEFS is similar but has a deeper western US/EPac trough and hangs onto a weak EC ridge. Looks good up top though, NA in particular. Both have colder air building into the western half of Canada courtesy of the EPO ridge. It's a waiting/monitoring game now to see how long it takes to get some of that cold delivered to the eastern US. Verbatim, the EPS look would probably put us back in the game a bit sooner.

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15 minutes ago, WinterWxLuvr said:

Look at the height lines in front of it. Not only is it possible, it would be impossible for that low to go anywhere else.

Would have said the same! If models are right, this has been the forecasted track consistently. Something unforeseen would need to disrupt this look to have it happen any other way! 

 

 

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1 minute ago, midatlanticweather said:

Would have said the same! If models are right, this has been the forecasted track consistently. Something unforeseen would need to disrupt this look to have it happen any other way! 

 

 

Only thing that could bring that N is if the cutoff slowed down and stalled long enough before being well East of FL so that a different piece of upstream energy could pick it up. But with the ridge at h5 separating the jets that is unlikely as well. And even if that happened,  it probably would be a warmish system anyway unless it pulled a Jan 25, 2000. This one appears DOA unfortunately with too much going against it. 

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