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Winter medium range model pbp I


GaWx

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  On 1/26/2015 at 3:24 AM, nomanslandva said:

Is the hires NAM a different model (different logic) or is it just higher definition on the output?  Simulated reflectivity seems show decent returns tomorrow in NW NC and SWVA but that seems to not agree with the placement on the regular NAM.

 

Just a higher resolution. Regular NAM is on a 12km domain while hi-res is 4km. I'm not too optimistic about seeing much snow tomorrow; everything below 900mb is torching. It's possible we get heavy enough rates to cool the column enough to get some snow, but it appears our best chance of seeing snow is on the back end when things are winding down.

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  On 1/26/2015 at 4:16 AM, rduwx said:

The 0z gfs doesn't look bad...Taking grit's analogy above (thanks by the way) it looks as if the northern stream energy did take the preferred path so now lets see where it leads.

Just missed, but reminds me of last weeks rainy coastal.

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The model war/worries is at an epic pitch in the nyc thread. it's almost worth staying up and watching pbp at 1.00 when the euro rolls out. Sorry this is off topic, but as much as we watch models, this is a heavy weight champion cage fight , even though it's over a micro back yard climate. This back yard has 7 million peeps in it. Entertainment value is a 10 I promise.

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  On 1/26/2015 at 4:42 AM, NCSNOW said:

The model war/worries is at an epic pitch in the nyc thread. it's almost worth staying up and watching pbp at 1.00 when the euro rolls out. Sorry this is off topic, but as much as we watch models, this is a heavy weight champion cage fight , even though it's over a micro back yard climate. This back yard has 7 million peeps in it. Entertainment value is a 10 I promise.

 

 

Yeah, the general consensus from tonight's 00z model runs for NYC is about 8-12" while the 12z Euro showed 24-36"...  I think the Euro will probably fold, but we'll see.

 

The NWS also threw out 24-36" maps earlier, which aren't looking too good at the moment for the NYC metro.

 

Whatever the case, the SNE is going to get pummeled.  Someone might get 40" and widespread 18"+ looks likely.

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Yeah, there is some low off the SC coast, but after that , looks like a glorified cold front passage, there is a small bit of ice/snow, for the usual suspects, GSO, Winston, Roxboro. The only improvement was moisture, those blockbuster 1020 highs, not really much help! About 4 or 5 clippers hit the NE again, in case somebody up there only gets a foot! :(

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  On 1/26/2015 at 4:51 AM, superjames1992 said:

Well, the one model that was on the Euro's side at 12z has folded.  The UKMET only has 8-10" for NYC now.  Crazy cutoff, though.  I don't have exact totals, but it wouldn't surprise me if Queens gets 18" while Newark gets 6".

That's like the same distance as High Point and Greensboro !

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  On 1/26/2015 at 4:54 AM, snowstorm2011 said:

That's like the same distance as High Point and Greensboro !

 

I've seen it like that here before, too.  Downtown High Point gets 16".  Greensboro gets 6".  That's like 10 miles or so.

 

accum.20040227.gif

 

I would have been on the wrong side of that line, too.  Thank God I didn't live here then. :yikes:

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  On 1/26/2015 at 4:56 AM, superjames1992 said:

I've seen it like that here before, too.  Downtown High Point gets 16".  Greensboro gets 6".  That's like 10 miles or so.

 

accum.20040227.gif

 

I would have been on the wrong side of that line, too.  Thank God I didn't live here then. :yikes:

I was right under the 20.  Best storm for me since I moved to this area. Several hours of lightning and thunder.

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  On 1/26/2015 at 4:03 AM, packbacker said:

Yep, I bet if SJ or Jon post the Euro/EPS EPO telecon model output if will show it continually try and take it negative and fail. I just checked this months EPO data and its been positive for 10 days or so now. And all modeling is backing off on taking it strongly negative.

That's why I don't think it's going to snow, countless model runs spitting out nice looking patterns that don't verify. The 7-8 day EPS look is hanging on by a thread. If this fails and the pattern reshuffles it might be after Feb 10th before it tries for another favorable look. #PDOFail

 

In saying this, all of the main anomalous height players are on the field & I give the 6-10 day synoptic pattern a solid A/A- for a Miller B/overrunning precursor. The devil is in the details of course...

N-hem-500mb-NC-Miller-BCAD-Events.jpg

gfs-ens_z500a5d_nhem_2.png

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