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The January 5/6 Thing


stormtracker
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What trend?  We don’t even have the full 0z suite yet. If the euro goes significantly south I’ll worry.  And there are still 5-6 model Cycles left before we get to the range the exact location of banding will be figured out. The last snow we got Feb last winter went from a MD bullseye 48 hours out to giving Allentown PA 12” and MD 1-3”. 
It won’t matter if it were way down south and we needed a 150 mile shift. But a 50-75 mile shift the last 24-36 hours is absolutely nothing and happens almost every storm one way or another.  We do this every time. People act all “how can the models be this all over the place when it’s only 48 or 72 hours” when this is totally normal.  We haven’t progressed as far as some think. 48-72 hours is still a long time.

People have apparently forgotten both “thread storms” just last January where things looked bleak and south 48+ hours out, only to come back north… along with countless other storms that have not held serve 2+ days out over the years.

It happens frequently. Does it mean it’ll happen this time? Of course not. Maybe Richmond does jackpot. But we’re talking about models waffling 50-75 miles per run based on small variations in confluence, vort strength, etc. This is largely noise. If someone asked me to bet on whether a storm (especially one with a re-developing coastal) is more likely to shift north / stronger or south / weaker inside 60 hours, I’d bet on a north bump 9 out of 10 times… unless there was some crazy strong high to our north (which there isn’t) Temps will be in upper 20s to low 30s so we’re not talking about the storm being overwhelmed by confluence to our north. History teaches us a lot. This may be one of those times where models continue south, but a compromise between the nam / gfs and euro seems most likely to me.

Let’s see what 00z gfs and euro have to say, but this synoptic setup with a ULL pass to our south usually means solid snow for most of the forum
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I see the synoptic pattern evolving with each run. Primary out west with WAA thump from 24 hours ago to now a transfer to a coastal low that takes over. NAM showing this, hence precip filling back in late Monday into Tuesday. I think this is dynamic and still evolving into something potentially significant for our area. If the upper levels can cut off and track south of us, heavier totals will be possible. 

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8 minutes ago, Wxdavis5784 said:

We def got a warning level event here in winter of 2022. Im not sure if it was Jan or Feb.

We did but there was an area in between here and DC that got fringed by all 3 significant storms in 2022 and none were warning. The Baltimore area has had it the worst, within a region that’s been in their worst stretch ever. 
 

Im not justifying the freak outs but I get it. 

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