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April 2nd SNE stats padder no foolin, obs and discussion


Ginx snewx

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11 minutes ago, TauntonBlizzard2013 said:

Yeah... the gfs is ugly.

18z NAM and gfs we’re both worse.

See what 00z brings.

Not buying the amped mesos at this stage with the disaster performance in the last storm

It’s an interesting question actually how much to factor in the performance on the last event.   Mesos are still out of their range so maybe tomorrow 12z on will have more reliable guidance?

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3 hours ago, 40/70 Benchmark said:

Right...which is 3" to the pike.

So, you are thinking greater than 3" to the pike.

Hope you are right, but I will sell hard.

NAM would likely support more than 3 to the pike...that's what he is saying. Not that it will happen. You're gonna want to juice the amounts on the northern edge on a NAM type solution or even euro. If this comes in a little flatter then yeah, it's prob under 3". 

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8 minutes ago, ORH_wxman said:

NAM would likely support more than 3 to the pike...that's what he is saying. Not that it will happen. You're gonna want to juice the amounts on the northern edge on a NAM type solution or even euro. If this comes in a little flatter then yeah, it's prob under 3". 

I'll sell on 3" up to Boston on the Euro.

We'll see what happens.

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21 minutes ago, ORH_wxman said:

NAM would likely support more than 3 to the pike...that's what he is saying. Not that it will happen. You're gonna want to juice the amounts on the northern edge on a NAM type solution or even euro. If this comes in a little flatter then yeah, it's prob under 3". 

Will

How much room to bump North

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2 hours ago, HoarfrostHubb said:

We smoke cirrus here

Yeah, this will probably have a pretty sharp northern edge. Dry air below 800 mb is no bueno in April for any accumulating snow.

It really is around the pike based on the NAM depiction that the RH gets deep enough to support some sustained heavier rates.

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We'll see if 12z bumps back north. Otherwise it will mostly just be a CT/RI deal and prob only 1-3 there. Vortmax is less defined on the 00z suite which is the key to this thing...you want a nice consolidated vortmax. 

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7 hours ago, OceanStWx said:

Yeah, this will probably have a pretty sharp northern edge. Dry air below 800 mb is no bueno in April for any accumulating snow.

It really is around the pike based on the NAM depiction that the RH gets deep enough to support some sustained heavier rates.

Good luck to those folks s of pike

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8 hours ago, OceanStWx said:

Yeah, this will probably have a pretty sharp northern edge. Dry air below 800 mb is no bueno in April for any accumulating snow.

It really is around the pike based on the NAM depiction that the RH gets deep enough to support some sustained heavier rates.

I'd agree with this statement if it were not for fact that this system is running up through a relative confluence in the east and is in the process of dampening as the short range models catch up with and correct for the erstwhile (probably) over conserved evolution of prior runs.  It may not look like a confluence/structure ...but it's there.  That deeper amplitude arriving into the midriff lat/lons just a day and half later is already imposing a negating wave-space on this thing as it's pallid mechanics to begin with are then forced through a negative feedback in the large scope. That is unfortunately ... a form of confluence.

The result is weak q-vector forcing rippling over a diffused thickness medium (i.e., weakened baroclinicity blah blah) as you say, associated with April... Next thing you know, not only is it being absorbed into the background low RH/hygroscopic sponge as you say... the rad presentation would thus probably be shredded in nature.  Could be a virga deal with flurries and sprinkles (yes liquid) more so than anything else.  I'll tell yeah... I can't count how many times at this time of year, any kind of snow -related look ended up normalizing at near terms ... verifying as cirrus plumes with splashes of sun and some altostratus patches.  It's just the mechanics for getting the job done are set higher up the scale - so to speak - necessary to offset said normalization factor.

But, it is still a marginal sounding, and..it is not so late that say ... a significant if poorly (or not) modeled reason for decent fall rates were to take place, ...said shreds fill in a bit and you get your steady light snow event... on grass and car-tops (most likely). 

 

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