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12/30 Coastal - Snowing Our Way Into NYE


Clinch Leatherwood

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A couple of issues here.

1. Referencing cold shots at 180 and 240 hours is silly, on any model, when they've proven to be unreliable beyond five days. Go ahead and follow the long range Euro (I mean, it did just take away a major snowstorm inside of 3 days, but I digress). I'll stick with persistence, it has the hot hand after all, no pun intended. Ride it until it stops working. If there's a way for cold to under-perform, it will find a way.

2. Who has or will have any meaningful snow cover by next week if they don't get a refresher this weekend? Maybe in the woods or higher elevations of the far, far interior. There is none here. There is none further up the coast. There is none south of here. Most of the metro areas of SNE have none or won't by the time next week rolls around.

3. Upper-20s/low-30s for highs in January is just below climo for most of SNE. Even at SNE's torch spot, BDL, the normals drop off to something like 18/34 in the coldest time of year which we are entering, so that's fairly unimpressive for cold if it does indeed materialize. The NWS forecast down here, which is the same as yours also has "increasing confidence in a moderate to significant snow storm for Saturday" so take that forecast for what it's worth.

1) I'm not saying the 850s are going to verify verbatim, but the GFS, GEFS, and ECM all show below average temperatures for the East Coast in the next ten days. There's a nice cold shot behind the Saturday storm with 850s around -8C and then a large cold shot later in the week as a Canadian high builds in and the PV starts to redevelop near Hudson Bay. And I don't really think the cold has been underperforming....November was -4F here with several days of -15F departures. As for December, everyone said we'd start a colder pattern just before Christmas, and that's been the case. I've been mid 30s to low 40s basically every day this week. My high was 38.6F today, 35.5F yesterday, 42.3F on Christmas, 40.0F on Christmas Eve. Not cold temperatures but about average, which is part of the step-down process.

2) I still have 1-2" snow cover right now, and we're looking at a 2-4" event Saturday trending to 3-6" in eastern Mass, eastern CT/RI as well. That will ensure a light snow cover for the next week. Every model shows a refresher this weekend. Even the 12z ECM with its paltry .21" QPF here is still probably 3" considering ratios.

3) NWS has highs in the upper 20s here with lows in the mid teens next week. That's well below average. Models support that.

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I am just saying that with every storm so far caution flags have been thrown saying don't lock this in yet. But it seems with this people are saying it won't be big. I don't know, I don't have much MET knowledge, but I think we will see this be a decent hit for many folks...probably just a weenie forecast...

It is generally best to start conservatively and work up from there. This past storm is one of the best examples I have seen in a long time. There wasn't much evidence for feet and feet of snow falling, especially outside of the ski areas, yet people were still latching onto that fantasy and holding on for dear life.

As for 12/30, looks decent for SNE but largely a miss for us. At least, in a stormstorm context.

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It is generally best to start conservatively and work up from there. This past storm is one of the best examples I have seen in a long time. There wasn't much evidence for feet and feet of snow falling, especially outside of the ski areas, yet people were still latching onto that fantasy and holding on for dear life.

As for 12/30, looks decent for SNE but largely a miss for us. At least, in a stormstorm context.

Ehhh ... every piece of guidance was spitting out 1.75+ qpf from dendrite up to the int'l border.

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It is generally best to start conservatively and work up from there. This past storm is one of the best examples I have seen in a long time. There wasn't much evidence for feet and feet of snow falling, especially outside of the ski areas, yet people were still latching onto that fantasy and holding on for dear life.

As for 12/30, looks decent for SNE but largely a miss for us. At least, in a stormstorm context.

Yup 1st call for here is Cirrus

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