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February Medium/Long Range Thread


stormtracker
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2 minutes ago, winter_warlock said:

 Lmaoo nice to see but models cant even get tuesday right let alone 2 weeks out lol

Grain of salt no doubt.  But 2 LR GFS op runs the past 24hrs that spit out sick amounts of snow.  Just indicative of the high ceiling of potential in the pattern.  

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1 minute ago, NorthArlington101 said:

Wow! Impressive mean about 8 days out. No way it can go wrong. 
 

IMG_2718.thumb.png.6465014b013dc92091db104de64f26ba.png

dont mean to be Ji but what happened to our 6-7 inch snowfall mean 8 days out last time

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11 minutes ago, brooklynwx99 said:

I still think the greatest potential with this pattern exists around the 20th as the block fully retrogrades and weakens. just drool worthy synoptics with the TPV in SE Canada, west based -NAO ridging, and a vort showing up in the Rockies

gfs-ens_z500_vort_namer_44.thumb.png.158a6593746de7a8fe0b78613051ea89.png

What about the 2/16 time frame. GFS had this a few days ago, turned it into mostly rain, and with the 18z has brought it back trending colder. Is this a possible a time we should be watching in your opinion?

 

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23 minutes ago, brooklynwx99 said:

I still think the greatest potential with this pattern exists around the 20th as the block fully retrogrades and weakens. just drool worthy synoptics with the TPV in SE Canada, west based -NAO ridging, and a vort showing up in the Rockies

gfs-ens_z500_vort_namer_44.thumb.png.158a6593746de7a8fe0b78613051ea89.png

The PSUHoffman-Brooklynwx Storm!  I'll let them decide who should be referenced first! :D

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Looks like that wave off the Pacific northwest coast gets a little more separated in the latest run?  Allowing for what looks like a more north-northwest flow out of Canada?

Exactly, I’m extrapolating, but it also depends what happens with the tpv, does it head farther E or meander and shift W which would change the trough axis. Things trended better for that 16-17 wave today though regardless. Both time frames are on the table (16-17th and somewhere around 20-21st)


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9 minutes ago, Heisy said:


Exactly, I’m extrapolating, but it also depends what happens with the tpv, does it head farther E or meander and shift W which would change the trough axis. Things trended better for that 16-17 wave today though regardless. Both time frames are on the table (16-17th and somewhere around 20-21st)


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Yeah I think I see the same thing you're showing and describing.  I like the orientation of the later TPV somehow (the 18Z one), seems like it allows for colder air to establish maybe, for something to run into?

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26 minutes ago, Heisy said:

Some significant changes end of euro run which could bode well for the 16-17th wave

25b81475d863e1bfb25a382f389773fa.gif


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Now this is a case that might work against a short term north trend, because as the block gets established, it'll flex and press everything south. It's still not a great hit for mby, but it's getting close. 50-70 miles isn't much at this lead time.

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3 hours ago, SnowenOutThere said:

I cannot wait till the line of threads each named PSU storm 1, 2, and so on come Feb 20th

If we get multiple 6”+ snows out of “my pattern”  I’m retiring from ever making a long range prediction again and walking off like John Elway. 

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1 hour ago, Wonderdog said:

What about the 2/16 time frame. GFS had this a few days ago, turned it into mostly rain, and with the 18z has brought it back trending colder. Is this a possible a time we should be watching in your opinion?

 

It’s possible but more iffy imo because the PV is still centered to our west as it drops and rotates under the block leading up to that event which opens the door to it amplifying too much and pulling north too far west. That doesn’t mean it won’t happen but I’m less sure of that. Any waves between Feb 19-23 it would be really hard for them to cut to our NW given the flow, assuming reality is anything close to what all the guidance (and history of blocking progression) suggests. That’s our first really high probability window imo. Before that we have shots but they are all flowed to some degree. 

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38 minutes ago, WxUSAF said:

AI buries us apparently? Where you at @mitchnick?

 

On a different note, keep in mind this deamplification trend may be starting for the Thursday and weekend storms next week already…

I broke the rules, because I'm such a rebel, and posted about 2/16 and 2/20 as big storm threats in next week's thread. Easier to check them out on Pivotal or TT around 9:30.

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