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Jan 6/7 "Event" and obs


stormtracker
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2 minutes ago, osfan24 said:

Exactly. And I think PSU made the point that, when it comes to globals, the Euro is much better picking out the banding features than the GFS. I pray the GFS is right, but I prayed it was right just before the last storm and I was sadly mistaken.

Same here. GFS showed a better northern edge that turned out to be pure fantasy.

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2 minutes ago, osfan24 said:

Exactly. And I think PSU made the point that, when it comes to globals, the Euro is much better picking out the banding features than the GFS. I pray the GFS is right, but I prayed it was right just before the last storm and I was sadly mistaken.

GFS had me and your old hood nailed perfectly this week. :lol:

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Just now, Weather Will said:

WB 12Z GFS

6160E5B5-0CDD-4DE2-96AC-8C7E26B62BDF.png

00697D2E-FD2A-46F3-800D-67326FEF2D98.png

Probably just noise, but it did seem to adjust that band very slightly west again, and it also slightly cut the qpf for that band as well. Think we were looking at 5-7 from that on the 6z run. Looks more like 4-5+ on this run.

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7 minutes ago, osfan24 said:

Exactly. And I think PSU made the point that, when it comes to globals, the Euro is much better picking out the banding features than the GFS. I pray the GFS is right, but I prayed it was right just before the last storm and I was sadly mistaken.

The gfs actually did quite well handling that last storm… it was just a bit off on where that sharp cutoff would be. It had it further NW. otherwise, it handled the evolution of the system pretty well. Missed on the totals near I-70 and Richmond though  

With that being said, this setup is much different. Meso models are much more important for this type of setup when we’re talking about banding, transfer of energy to the coast, etc. GFS does well when it comes to handling one main area of low pressure tracking to our south. Not so much when we’re talking about two distinct areas of precip / lift and the interaction between them. The GFS tends to oversimplify things and see things much more uniformly, missing the nuances of miller b type storms. 

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6 minutes ago, SomeguyfromTakomaPark said:

Thomas is great.  The purple fiddle is a cool spot!

2 minutes ago, gunny23 said:

We want to head out to Canaan tonight but I don't think we could get on the road before 6:30 - might make for a rough drive.

2 minutes ago, nj2va said:

Spine of the Apps from Garrett down to Snowshoe will be a great spot, but especially Davis and Snowshoe.

I'm also going to check out Timberline... never skied there before but with their improvements it should be a fun experience. Although not everything is open, I think conditions should be great after tonight.

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17 minutes ago, RVASnowLover said:

Just a FYI, the GFS also had Richmond getting 8-12” Monday’s storm and we didn’t even get close to that. Just throwing the caution warning out there for those hugging the GFS. Maybe it’s right for you guys though 

If you take the 10:1 maps as gospel, sure it might've looked like that, but Richmond was never getting 8-12" on any model if you looked at the details. You were in the mix zone for hours. That all gets counted as snow.

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2 minutes ago, WinterWxLuvr said:

Yeah, exciting isn’t it

It’s 1 model. The rest don’t. Think you’ll be alright up there friend. We’ve seen only 1 storm this year - can’t win em all. Last year, we were the ones cashing each storm as the 95 corridor saw zilch all season. 

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1 hour ago, WxUSAF said:

Some/many/most of us have realized that there’s going to be a middle finger screw zone somewhere with this storm as the energy transfers to the coast and the precip to the west weakens before the coastal enhancement sets up. And we’ve been saying it could be through our region. Seems like there are two places the models are placing it so far this morning:

1. DC northeastward towards Lancaster Co PA. 
2. Philly northeastward through the NYC area.

Hrrr and Euro are in camp 1. 3k NAM and FV3 are in camp 2.  Haven’t looked close enough to try and tease out what the precise differences are driving that.

RGEM in camp 2

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2 minutes ago, TSG said:

If you take the 10:1 maps as gospel, sure it might've looked like that, but Richmond was never getting 8-12" on any model if you looked at the details. You were in the mix zone for hours. That all gets counted as snow.

And unless something has changed, the GFS still counts sleet as massive snow on the 10:1 right?

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30 minutes ago, stormtracker said:

The thing is..the GFS is global.  I'd be kinda cautious vs the mesos

Globals are too broad brush for narrowly defined sensible wx in the short range. Euro has the resolution but it's still a global. OTOH- mesos try to be "too accurate" with exact placement of subtle variations of qpf/bands etc. I know you know this but just reminding everyone that all decent models are useful in the short range but no one model is deadly. Just blend and apply climo. Rarely fails. 

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