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Winter cancelled/uncancelled banter 25/26


Rjay
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Outside of ratter winters, I've never seen such low prospects for snow for this area in the heart of January. Very reminiscent of 2020, 2023, 2012. That being said, we've had as much snow as entire winter 2024, all of winter 2023, all of winter 2020, and all of winter 2012. So it's very unlikely we end up in ratter territory unless we see no more snow for the rest of the season. But unless we have a massive turnaround at some point this month, winter has taken a vacation from the US. Just mild and warm as far as the eye can see

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On 1/7/2026 at 12:29 PM, NorthShoreWx said:

Attention complaint department:

What's with the Koppen Climate classifications?  Calling NYC "subtropical" seems like poor nomenclature.

What is the utility of having NYC in the same climate classification (humid subtropical climate) as Orlando?  If that's true, why are there snowbirds?

S9tuDG2.png

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The moving 10-year average is decidedly subtropical - not even close to freezing. Neither December, nor February have been below freezing in the last 10 years, and January only three times. Coldest month based on the past 10 years is January at 35.3F, and this is at the park. I would imagine more urban environs, and other favorable microclimates, are even warmer.

 WB42jQr.png

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4 minutes ago, TheClimateChanger said:

S9tuDG2.png

Koppen may be useful  for some sort of macro-climate modeling, but not for much else.  I think the "subtropical" nomenclature is off.  As a speaker of English it does nothing for me.  I'll take the USDA hardiness zones, unless they've been updated to make some political point. ;)

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3 minutes ago, TheClimateChanger said:

The moving 10-year average is decidedly subtropical - not even close to freezing. Neither December, nor February have been below freezing in the last 10 years, and January only three times. Coldest month based on the past 10 years is January at 35.3F, and this is at the park. I would imagine more urban environs, and other favorable microclimates, are even warmer.

 WB42jQr.png

No denying the recent winter warmth in the park, but I'm not sure where you will find a more urban environment.  Maybe on top of a subway vent.

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1 minute ago, NorthShoreWx said:

Koppen may be useful  for some sort of macro-climate modeling, but not for much else.  I think the "subtropical" nomenclature is off.  As a speaker of English it does nothing for me.  I'll take the USDA hardiness zones, unless they've been updated to make some political point. ;)

I don't know... comparing to Orlando is comparing one extreme to the other. Recent means aren't substantially different than late 20th century norms at Raleigh-Durham, North Carolina, and I think everyone would agree on that being classed as subtropical. Certainly much closer to that than a true continental climate of say Minneapolis.

It5CUnA.png

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3 minutes ago, TheClimateChanger said:

I don't know... comparing to Orlando is comparing one extreme to the other. Recent means aren't substantially different than late 20th century norms at Raleigh-Durham, North Carolina, and I think everyone would agree on that being classed as subtropical. Certainly much closer to that than a true continental climate of say Minneapolis.

It5CUnA.png

By comparison, Orlando is pretty close to true tropical thresholds in recent years. Over the past 15 years, only January has dropped below the 18C/64.4F threshold. And only by a few degrees.

wrsApoG.png

 

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4 minutes ago, TheClimateChanger said:

I don't know... comparing to Orlando is comparing one extreme to the other. Recent means aren't substantially different than late 20th century norms at Raleigh-Durham, North Carolina, and I think everyone would agree on that being classed as subtropical. Certainly much closer to that than a true continental climate of say Minneapolis.

It5CUnA.png

I'm not sure everyone would agree.  By the way, the two charts you posted show NYC's warmest period and one of Raleigh's coldest.  It still says something about how NYC has warmed, but is a stretch for the subtropical argument.

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3 minutes ago, NorthShoreWx said:

I'm not sure everyone would agree.  By the way, the two charts you posted show NYC's warmest period and one of Raleigh's coldest.  It still says something about how NYC has warmed, but is a stretch for the subtropical argument.

That was intentional. I wanted to limit the analysis to higher quality data, excluding the older, warm-biased rooftop station at the downtown WB office in Raleigh.

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4 minutes ago, TheClimateChanger said:

By comparison, Orlando is pretty close to true tropical thresholds in recent years. Over the past 15 years, only January has dropped below the 18C/64.4F threshold. And only by a few degrees.

wrsApoG.png

 

I kind of get the rationale for -3C being a threshold proxy for enduring winter snow cover, but what is behind the 64.4 for tropical?  (apologies that we are mixing °C and °F)

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