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November 28-29 Storm Threat


40/70 Benchmark
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10 minutes ago, weathafella said:

Maybe a little snow...and if not next time.   We all made the mistake of buying d5-6 consensus in modeling as real indication that this would be big.   

I think people bought the notion that there was a viable threat of a storm, but I didn't see any numbers tossed around. I know I didn't...just speculated on potential for a plowable snowfall.

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Not the widely called for 4-8” , but I think most will be happy to grab 1-3” before the late week torch 

Sunday night...

Best chances of precipitation as the trough digs into the Mid
Atlantic/Upstate NY. In response to the trough digging in the
secondary low deepens and lifts over or east of eastern MA. How
quickly/deep/close this low develops to the region will determine
the impacts. Did bump up snowfall amounts slightly from the previous
forecast given the clustering of EPS members along with the NAM and
other high resolution guidance with respect to the low pressure
center developing closer. If things trend in this direction then
totals will need to be increased further, but if a further offshore
solution is the way things go then amounts will need to be lowered.
Can see this in the WPC Super Ensemble Plume guidance with a
somewhat bimodal distribution, but most members cluster in the
lower totals. Most locations anticipated to see up to an inch of
snowfall accumulation away from the coast and perhaps 2 inches
across the higher terrain in the eastern slopes of the
Berkshires. The coastal plain should see little if any snowfall
accumulation given Ptype will mostly be rain and perhaps some
snow mixing in due to the coastal front.
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15 minutes ago, 40/70 Benchmark said:

I think people bought the notion that there was a viable threat of a storm, but I didn't see any numbers tossed around. I know I didn't...just speculated on potential for a plowable snowfall.

All of us presumed it would be more than currently progged-or at least I did.

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42 minutes ago, Damage In Tolland said:

Well most towns and cities plow 1-3”

I’d sign on the dotted line for 1-3” from this threat right now. It’s unlikely we see more than flurries or a coating at this point. It’s too bad the lead shortwave is stealing the baroclinic zone. It screws us over because that second shortwave digging behind it is quite potent and likely would have produced a nice solid advisory event if the lead one wasn’t there. 

This will mostly just be an upslope enhancer in NNE and not much else. 

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19 minutes ago, ORH_wxman said:

I’d sign on the dotted line for 1-3” from this threat right now. It’s unlikely we see more than flurries or a coating at this point. It’s too bad the lead shortwave is stealing the baroclinic zone. It screws us over because that second shortwave digging behind it is quite potent and likely would have produced a nice solid advisory event if the lead one wasn’t there. 

This will mostly just be an upslope enhancer in NNE and not much else. 

I still firmly believe an IVT shows it’s face . Who knows where, but these late Nov/ early Dec setups like this over the years have delivered them. It seems SNE is more favorable Early season 

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35 minutes ago, 40/70 Benchmark said:

3" maybe, and most won't see that.

3” was plowed here this morning because it was dense.  They wouldn’t do that if it was pure fluff.  I think the density and situation matters.

1-2” will be plowed in suburbia if it’s sloppy.  I also think towns in many populated areas feel the need to show action, so they loop plows no matter the amount.

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7 hours ago, WinterWolf said:

Love how each model says this stuff…The Euro, the UKMET, now the Canadian.  I mean if you listen to each of them…they’re all the best, and beat everything/and always beat The GFS. 
 

It’s all a play on words/and twist on stats!  What a dam joke. 

That’s great it scores well on the spread sheets at 500. But the results at the surface aren’t as sexy.

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