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Potential Winter Storm March 6-7


NEG NAO

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FWIW and it ain't much, CRAS has CCB to our NW with a coastal hugger.

 

The CRAS is useful sometimes for gauging its bias...it tends to be very far west and north with most systems so seeing it only as a coastal hugger may not be that great, I've seen storms go over the Benchmark which it shows over Scranton at day 3.

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GFS as it stands is all alone...

 

 

GGEM # 72 is cold rain 

 

attachicon.gifI_nw_g1_EST_2013030400_072.png

 

UKMET while it may of came some north is still south and pretty much east...

 

attachicon.gifP1_GZ_D5_PN_072_0000.gif

 

Its essentially the GFS against the rest...awaiting the ECM

 

 

Well the GFS is the only Major model but there is some other guidance and data that show similar hits like WRF,Cras,SREF think the JMA also. Of course if Euro showed something similar this place would explode with optimism going into tomorrow. As long as Euro is at least in GFS ballpark and not like this afternoon than I think Everyone needs to monitor tomorrows developments closely. However seems like all the foreign guidance still sticking with keeping this storm to south of the area.

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SREF mean snow at EWR from the 21z run is around 6"...with the highest total around 20".

 

If you remove the ridiculous ARW members the mean falls to 2".

 

don't each member play its own role to make the mean as accurate as possible? Im not sure if the ARW members are supposed to always be amplified like that thought

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Not sure what you guys see in the JMA run thinking it would head north. Compare the JMA 500mb to the GFS, nothing alike, if anything looks more like a little bit farther north version of the NAM. I have it on stormvista as well. 

 

The NAM is completely detached from the northern stream, the JMA is phasing it in with the building block to its north. No doubt the next frame would have shown a really nice hit

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Not sure what you guys see in the JMA run thinking it would head north. Compare the JMA 500mb to the GFS, nothing alike, if anything looks more like a little bit farther north version of the NAM. I have it on stormvista as well. 

Not sure what you guys see in the JMA run thinking it would head north. Compare the JMA 500mb to the GFS, nothing alike, if anything looks more like a little bit farther north version of the NAM. I have it on stormvista as well. 

Look at the interaction with the 500mb vortex dropping down from Canada and through Wisconsin. It actually looks like it might fully phase with it.
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The vort that rotates around ULL, that the GFS phases with, is SE of LI right now:

 

attachicon.gif12zvadv_sf.gif

 

You can see it water vapor imagery clearly too:

 

http://www.meteo.psu.edu/~fxg1/SAT_US/anim8wv.html

 

Not to jump in on your thread but you are exactly right.  The GFS and UK might be wrong on this, but it's not some mysterious spoke of energy.  It IS the feature that's dropping a dusting of snow over SE New England right now.  It rotates all the way around in a fujiwhara type effect while another lobe spins SE and fades.  The NAM, earlier Euro and CMC all collapse the entire structure in unison with no piece getting shoved SW through Maine.  But you are 100% correct, it's that little upper low moving due east right now.

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Doesn't look to be as enthused with that retrograding shortwave from the NW Atlantic ULL as the GFS through 60 hours. Surface low is noticeably farther south compared to the GFS as well.

 

 

Yeah, that shortwave is there but not nearly as prevalent. I don't think this goes the way of the GFS, but there are more height rises for sure. 

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If we had a situation where the Euro was a hit and the GFS was a miss, but then the next GFS made changes like this, I would be quite enthused. But considering it's the Euro, this is not enough of a jump to get me excited. 

 

I'm not giving up yet, but this run just doesn't do enough for me considering it's the Euro at 60-72 hours. 

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If we had a situation where the Euro was a hit and the GFS was a miss, but then the next GFS made changes like this, I would be quite enthused. But considering it's the Euro, this is not enough of a jump to get me excited. 

 

I'm not giving up yet, but this run just doesn't do enough for me considering it's the Euro at 60-72 hours. 

 

More often that not I would say essentially that it was game over given that Euro run at this range. But the dramatic changes aloft on the Euro, and the GFS and SREF showing us what just a slight shift can do, leaves me mildly interested.

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