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March 2- 4 Snowstorm Potential


NEG NAO

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The takeaway IMO is that the PV is still being contorted and shifted about to our north, and the relevant s/w is changing too; the differences are still very visible from run to run. Even though the surface looks relatively consistent, I wouldn't necessarily consider this  a modern marvel of NWP just yet. My amateur opinion is that there will almost certainly be not-insignificant changes to the final solution, whether they be good or bad.

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The takeaway IMO is that the PV is still being contorted and shifted about to our north, and the relevant s/w is changing too; the differences are still very visible from run to run. Even though the surface looks relatively consistent, I wouldn't necessarily consider this  a modern marvel of NWP just yet. My amateur opinion is that there will almost certainly be not-insignificant changes to the final solution, whether they be good or bad.

You are an intelligent poster  so for your sake I hope your neck of the woods can share in the jackpot. In fact, I Hope DCA-BOS can, the more the merrier I always say 1-2 FT history makers are always welcome. Lots of KU storms only came into view last 48 hrs- PD II being a perfect example

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To illustrate the upper-air changes still going on, anybody who has access: compare the 500mb field this run at hour 120 with 12z for hour 132. I can hardly believe I'm looking at the same time-frame. Obviously this storm will be long gone by then, but if you kind of "retrapolate", you can get an idea of how much really changed between the two runs.

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I would still lean conservative and say 6-10" right now until we continue to see agreement and we get even closer. If by Saturday evening the models still show the same thing then I'll believe the 12"+ amounts.

 

 a low tonight in the single digits,... and a low monday night in the single digits.... and 6" to 15" of snow in between.

 

screw the lion... march is coming in like a Siberian tiger.

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Most of the Global  models are between 12 to 15 inches of snow at 10 to 1 . I think the last 6 hours as the 850`s are crashing to Minus 10 will make me assume they are too @  . So there`s a CHANCE @ 12 to 1 on the back end of this .  But I would love to see what`s going on @ 700 before I can really say that . ( I don't have access to those temps ) .

 

Banding is not going to be seen until we are 24 hours out . So if that`s going to happen and  if you are  just N or the best lift , you may see a slight enhancement there .

 

This is followed by record COLD.

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Most of the Global  models are between 12 to 15 inches of snow at 10 to 1 . I think the last 6 hours as the 850`s are crashing to Minus 10 will make me assume they are too @  . So there`s a CHANCE @ 12 to 1 on the back end of this .  But I would love to see what`s going on @ 700 before I can really say that . ( I don't have access to those temps ) .

 

Banding is not going to be seen until we are 24 hours out . So if that`s going to happen and  if you are  just N or the best lift , you may see a slight enhancement there .

 

This is followed by record COLD.

PB, the only concern is the jackpot area being just to our south due to very strong Arctic push on Sunday night, with 8-10 inches for NYC and LI and the 12-16 inch amounts about 30-40 miles to our south.  A little concerned about GGEM, and NAM which is sometimes too amped at end of range showing best snow about 40 miles to our south on Monday, and would extrap to 8-10 inches between 4 PM and 4 AM Tuesday morning at best guess.  If we had Greenland block and a slightly better PNA we could have phased this better and had a 20-30 inch HECS out of this.  The consolation is the EURO and GFS giving our area the 12-16 inch jackpot.

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PB, the only concern is the jackpot area being just to our south due to very strong Arctic push on Sunday night, with 8-10 inches for NYC and LI and the 12-16 inch amounts about 30-40 miles to our south. A little concerned about GGEM, and NAM which is sometimes too amped at end of range showing best snow about 40 miles to our south on Monday, and would extrap to 8-10 inches between 4 PM and 4 AM Tuesday morning at best guess. If we had Greenland block and a slightly better PNA we could have phased this better and had a 20-30 inch HECS out of this. The consolation is the EURO and GFS giving our area the 12-16 inch jackpot.

Who cares what the nams shows first of all, the gem had the low in the perfect spot precipitation gets eaten alive on the northern edge, and I would ride the gfs considering it has been the most consistent with the ggem being the least consistent.
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Not quite, but close. A powerful vort swings south from MN and tries to interact with the southern vort as it hits the area.

The 00z GFS last night showed increased interaction between the northern and southern vorts, more so than its 18z counterpart. Now the EURO is starting to show this possibility. That makes for an interesting wildcard scenario. This is getting mighty close to a phase. If that were to occur, we'd be looking at a bonafide HECS.

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The 00z GFS last night showed increased interaction between the northern and southern vorts, more so than its 18z counterpart. Now the EURO is starting to show this possibility. That makes for an interesting wildcard scenario. This is getting mighty close to a phase. If that were to occur, we'd be looking at a bonafide HECS.

Inching closer and closer to a phased solution is exciting. If my eyes dont decieve me it looks the 6z GFS was close to phasing as well
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It looks like we are locking in at 12-18 inch (isolated 20-25 inch) snowfall area wide, IF phased solution. I just looked at the 06 GFS and the 00Z GEFS, they are both showing 3/2 through 3/15 not breaking 32 F for a high, with 850's well below zero Celsius. Looking like emerging HECS potential such as a high end snow fall potential around next weekend or early next week based on pattern and MJO.  Here is my guess for March 2014 for Central Park, keep tabs on it.... Days below 32 - 22 Days. March Snowfall 32.5 inches (snowiest March on record with one MECS and one HECS), Departure temp average -12 F, coldest March since records taken.  When winter 2014 is over it may rank in #1 spot for most snow ever.  I think we will crack 80 inches for NYC and LI... Just my opinion we smash all records..... Feel 60 percent confident this happens.  Let's evaluate come 4/1/2014 how this verifies.  If I blow this, so be it... The only thing that is ending the winter is the sun inclination, so sublimation rates will uptick greatly by March 14th - 31st, even if pattern shows cold and snow through early April. I see lots of 26-32 degree days from 3/6 through 3/15 with maybe one day above 32. Still 16-20 below normal highs for most of first half of March.  Forget Morch this year... Epic times ahead.....

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