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Jan/Early Feb Medium/Long Range Discussion Part 3


WinterWxLuvr
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10 minutes ago, Terpeast said:

Agreed. That map Ji posted looks like 2022-23. I wasn’t joking about planning a trip out west. 

No way to know the exact character of the ENSO event or how the winter will play out. Get a few weeks where the Aleutian ridge morphs into a -EPO and we might have a January 2022 type period.

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3 hours ago, Fozz said:

DCA is not representative of this region and should not be used to generalize the winter climo of the whole area. It has good data but it’s a very warm spot at zero elevation on a river in the center of a heat island.

it's representative of the million people who live in DC/Arlington/Alexandria, with some minor variation.  It's not supposed to represent some way out suburb.  We had these same arguments in the NYC forum where folks in like way out NW NJ were pissed at Central Park's climate record/obs/whatever.  Well ok, it's the climate site for NYC not your random suburb.  Sorry.

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1 minute ago, pazzo83 said:

it's representative of the million people who live in DC/Arlington/Alexandria, with some minor variation.  It's not supposed to represent some way out suburb.  We had these same arguments in the NYC forum where folks in like way out NW NJ were pissed at Central Park's climate record/obs/whatever.  Well ok, it's the climate site for NYC not your random suburb.  Sorry.

Yes it is representative of most people who live inside the beltway, though even there DCA seems to be on the lower end of the range.

But that’s very different from representing the entire DC/Baltimore metro area. Especially when even people east of the fall line say that it doesn’t reflect their winter climate.

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hey man it's not so bad - you don't need a car here, we have great restaurants, and the civic institutions are unparalleled.  Yeah, it's weak on the snow front.

I think I’m doing DC wrong. Maybe it’s cause I grew up in Arlington, but I’m counting down the days til it makes sense for me to move back into Arlington

Anyway the euro is out to hour 60. Looks like rain
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1 minute ago, Fozz said:

Yes it is representative of most people who live inside the beltway, though even there DCA seems to be on the lower end of the range.

But that’s very different from representing the entire DC/Baltimore metro area. Especially when even people east of the fall line say that it doesn’t reflect their winter climate.

Well I mean you shouldn't use it for that.  Would we use Central Park to describe the climate of someone living in Orange County NY or something?  No - it's the climate site for the city.  But since these sites tend to have the longest/most uninterrupted/verified climate record, they are the ones mot often cited.

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This looks really good... This is my "perfect pattern" for cold, with a +PNA. All 3 features are there, I like the way it's building a High pressure in the southern NAO region on the ensemble mean. Let's see if it holds going forward. 

https://ibb.co/vxr6JJq

That northern AK +anomaly really correlates with cold at like 0.5, and doesn't depress precip. 

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5 hours ago, Ralph Wiggum said:

Need to confirm with @Stormchaserchuck1....because we just can't know.

I know that since I moved north of Baltimore, it has snowed 12/22 April's here. I don't think March patterns have been great.. and I would bet against a cold March this year with negative anomalies building in the ENSO subsurface, but the +pna really picked up this Winter when we went negative in the subsurface (counter-intuitive) so we'll see how it evolves. 

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Yeah the Euro - as depicted - would probably be almost 12 hours of White Rain in the city, changing from a rain snow mix around 9pm then continuing into the morning with zero accumulation. Probably over 0.3" of QPF in and around the city with a bit more NW of the city where maybe rates overcome 34F at the surface. I'd take this as a best case! And I'd wager about 2" on my elevated (20 feet high) metal deck!

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Just now, brooklynwx99 said:

this is what happens if that mid-week clipper bombs out, btw

if it wraps up, you can slip a vort under the block with a 50/50 in place

ecmwf-deterministic-namer-z500_anom-7004800.thumb.png.d85db24b2c35ad4948f0d48667c9ae78.png

That was what I was thinking when I made that post earlier but the gfs fizzled. And then you responded about wave breaking and I thought to myself, I don’t know what he’s talking about so I showed myself out :lol:

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