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February 10-12, 2019 Storm


WxUSAF

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1 minute ago, Bob Chill said:

Welp, the euro is going to create more questions than provide clarity. Pretty big change in how the low develops to our west. Better run in some ways and a lot worse in others. 

its high seems much weaker than the other models...so we dont last snow as long. It also  has monday snow which nobody else has lol

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2 minutes ago, Bob Chill said:

Welp, the euro is going to create more questions than provide clarity. Pretty big change in how the low develops to our west. Better run in some ways and a lot worse in others. 

in terms of winter weather--it improved

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Just now, Ji said:

its high seems much weaker than the other models...so we dont last snow as long. It also  has monday snow which nobody else has lol

High came in notably stronger compared to 0z but the progression changed... A LOT. Didn't have a good slug of WAA in front of the low developing to the west. If it had it would have been a pretty good run. 120 hours away so we can expect many more changes with how the low develops and precip shield expands. 

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7 minutes ago, Bob Chill said:

High came in notably stronger compared to 0z but the progression changed... A LOT. Didn't have a good slug of WAA in front of the low developing to the west. If it had it would have been a pretty good run. 120 hours away so we can expect many more changes with how the low develops and precip shield expands. 

I liked the structural changes on the euro...it sucked wrt ground truth because it had a weird precip representation with dry slots all over the place and we got stuck under one.  But the representation and evolution is closer to what can give us a good snow than last night or yesterday was.  

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3 minutes ago, psuhoffman said:

I liked the structural changes on the euro...it sucked wrt ground truth because it had a weird precip representation with dry slots all over the place and we got stuck under one.  But the representation and evolution is closer to what can give us a good snow than last night or yesterday was.  

this was the good run from 2 days ago

ecmwf_z500_mslp_us_8.png

yesterdays terrible run

 

ecmwf_z500_mslp_us_7.png

 

 

todays(looks more like 2 days ago but high not positioned as well)

ecmwf_z500_mslp_us_6.png

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The Euro pretty much followed in the footsteps of the changes seen and hinted at on the overnight EPS. We saw a much weaker primary, with a track adjusted southeastward (at least initially), indications of a possible transference or track into Tenn/Kentucky of that primary and then the beginnings of coastal development between OBX and the mouth of the bay.

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9 minutes ago, psuhoffman said:

I liked the structural changes on the euro...it sucked wrt ground truth because it had a weird precip representation with dry slots all over the place and we got stuck under one.  But the representation and evolution is closer to what can give us a good snow than last night or yesterday was.  

I thought the upper levels and mids were pretty good as well. Considering we're still seeing substantial shifts with low placement/strength/progression I'm not going to get hung up on a damn thing 5 days out. The only thing missing on this euro run was a good slug of WAA into the CAD dome. We have a ton of time for that piece to come into better focus. I think seeing the GFS, FV3, CMC, Ukie, and the Euro improving in the mids is a great sign. For whatever reason we've have good breaks in the mid range this year. My money is on that happening again. 

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1 minute ago, Bob Chill said:

I thought the upper levels and mids were pretty good as well. Considering we're still seeing substantial shifts with low placement/strength/progression I'm not going to get hung up on a damn thing 5 days out. The only thing missing on this euro run was a good slug of WAA into the CAD dome. We have a ton of time for that piece to come into better focus. I think seeing the GFS, FV3, CMC, Ukie, and the Euro improving in the mids is a great sign. For whatever reason we've have good breaks in the mid range this year. My money is on that happening again. 

this is just an appetizer anyway for the Feb 2010 period we are going in

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1 minute ago, Ji said:

this is just an appetizer anyway for the Feb 2010 period we are going in

I think the ensembles have done very well for the last 2 weeks. We knew more than 10 days in advance that this week's warmth was coming. We talked about the 7th as being the possible end of the shutout period pretty much 2 weeks ago. That was a little too fast but only 2 days. That's damn good for the ensembles getting the timing mostly right from waaaay out in time. Over the last 10 days we've been talking about a possible CAD event because 50/50s were showing up waaaay in advance. Ensembles look to get that piece right too. 

Now we're seeing some really good stuff in the d10-15 range. Has the d10-15 range been good overall this year? heh... nope. Has it been good recently? Yes, I think it has and because of that I do think next week is only the kickoff to a potentially extended period with winter wx chances. 

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1 minute ago, Bob Chill said:

I think the ensembles have done very well for the last 2 weeks. We knew more than 10 days in advance that this week's warmth was coming. We talked about the 7th as being the possible end of the shutout period pretty much 2 weeks ago. That was a little too fast but only 2 days. That's damn good for the ensembles getting the timing mostly right from waaaay out in time. Over the last 10 days we've been talking about a possible CAD event because 50/50s were showing up waaaay in advance. Ensembles look to get that piece right too. 

Now we're seeing some really good stuff in the d10-15 range. Has the d10-15 range been good overall this year? heh... nope. Has it been good recently? Yes, I think it has and because of that I do think next week is only the kickoff to a potentially extended period with winter wx chances. 

Hooah! let's get this thing rolling

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3 minutes ago, Bob Chill said:

I think the ensembles have done very well for the last 2 weeks. We knew more than 10 days in advance that this week's warmth was coming. We talked about the 7th as being the possible end of the shutout period pretty much 2 weeks ago. That was a little too fast but only 2 days. That's damn good for the ensembles getting the timing mostly right from waaaay out in time. Over the last 10 days we've been talking about a possible CAD event because 50/50s were showing up waaaay in advance. Ensembles look to get that piece right too. 

Now we're seeing some really good stuff in the d10-15 range. Has the d10-15 range been good overall this year? heh... nope. Has it been good recently? Yes, I think it has and because of that I do think next week is only the kickoff to a potentially extended period with winter wx chances. 

Too late, Ji just cancelled next weekend

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2 hours ago, losetoa6 said:

Ukie also coming in  flatter and weaker overall . It takes the primary due east from hr 96 to 120 with hardly any north trajectory and it hints at coastal redevelopment.  It should be a decent hit me thinks.  The high is weaker then other guidance but with that track and weaker primary should be good bit of  frozen 

 

Screenshot_20190207-120400_Chrome_crop_540x668.jpg

See how the isobar line connected with the high runs thru western md. Before decoupling. That’s a snow marker for DC 

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7 minutes ago, showmethesnow said:

Actually seeing some fairly more robust solutions showing on some of the members compared to previous runs.

showme, are the more robost solutions ones in which individual EPS members may be keying on a coastal, or is it simply more strongly WAA related, or can't you tell. Thanks 

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1 minute ago, frd said:

showme, are the more robost solutions ones in which individual EPS members may be keying on a coastal, or is it simply more strongly WAA related, or can't you tell. Thanks 

Kind of multitasking here with some other things so I haven't had a chance to look into that yet. I will try to let you know in a little bit.

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7 minutes ago, frd said:

showme, are the more robost solutions ones in which individual EPS members may be keying on a coastal, or is it simply more strongly WAA related, or can't you tell. Thanks 

I don't see many coastal influences for our area.  I don't have temps on my maps yet so its impossible for me know what each member looks like.  But there are definitely quite a few with more precip than the OP.

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