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February 2026 OBS & Discussion


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1 hour ago, jm1220 said:

March 2018 would like a word. 

The problem with this is we’re relying on a very fragile setup that could easily fall apart at this lead time and cold air is lacking. We need a dynamic system to create the cold air essentially and a favorable track. 

That late March 2018 snowstorm back on the South Shore was one of my late season favorites. It was really gorgeous when the sun first came out and all the wet snow was started falling from the trees. My all-time late season favorite was the April 6th, 1982 blizzard. Was my only time experiencing afternoon temperatures in the 20s and blizzard conditions in April.
 

Maximum 2-Day Total Snowfall 
for ISLIP-LI MACARTHUR AP, NY After March 20th
Click column heading to sort ascending, click again to sort descending.
Period of record: 1963-09-05 to 2026-02-10
  18.4 2018-03-21 through 2018-03-22 0
  17.0 1967-03-21 through 1967-03-22 0
  16.0 1982-04-06 through 1982-04-07 0
- 16.0 1982-04-05 through 1982-04-06 0
  15.0 1967-03-22 through 1967-03-23 0
  14.9 2018-03-20 through 2018-03-21 0
  8.5 1996-04-09 through 1996-04-10 0
  8.0 1974-03-29 through 1974-03-30 0
- 8.0 1974-03-28 through 1974-03-29 0
  6.0 1984-03-28 through 1984-03-29 0

 

 

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1 hour ago, Brian5671 said:

Depends where you are in the forum-long Island the city and the jersey coast are way different than your area.  I'm somewhere in the middle.   Always said 3/10 or so was the end around here with the exception of March 2018 type patterns.  

It doesn't matter where you live, saying winter is over on February 11th is stupid.

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8 minutes ago, BoulderWX said:

GFS is a whiff; UKMET a whiff; Canadian is 1-2" forum wide

they are basically all holding on to their original solutions from a couple days ago - IMO still a 50/50 chance of a phase which equals stronger more north widespread event of rain/mix/snow - I would hold off on a storm thread today

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The operational ECMWF abandoned its call for a big snowstorm, but its AI cousin maintained continuity from its earlier cycles with its call for a lack of snow.

image.png.21376f283e05341c0a731f5343d4177c.png

 

FWIW, I've seen some complaints on social media concerning the EC-AIFS. They concern the model's being a "black box." At this point, given what I've seen, it's probably better that the AIFS is, in fact, a "black box," as it limits the ability of those who don't like what they see from injecting their own biases into the mix; a lot of that occurs when the non-AI model solutions are pulled apart (often yielding incorrect solutions from the injection of subjectivity).

The AIFS has done quite well this winter, especially within four days. It has sometimes seen changes, but its run-to-run continuity is generally better than its non-AI counterparts, aside from its accuracy. This allows for longer lead time without compromising accuracy.

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1 minute ago, donsutherland1 said:

The operational ECMWF abandoned its call for a big snowstorm, but its AI cousin maintained continuity from its earlier cycles with its call for a lack of snow.

image.png.21376f283e05341c0a731f5343d4177c.png

 

FWIW, I've seen some complaints on social media concerning the EC-AIFS. They concern the model's being a "black box." At this point, given what I've seen, it's probably better that the AIFS is, in fact, a "black box," as it limits the ability of those who don't like what they see from injecting their own biases into the mix; a lot of that occurs when the non-AI model solutions are pulled apart (often yielding incorrect solutions from the injection of subjectivity).

The AIFS has done quite well this winter, especially within four days. It has sometimes seen changes, but its run-to-run continuity is generally better than its non-AI counterparts, aside from its accuracy. This allows for longer lead time without compromising accuracy.

It did well in December when sniffing out the clipper threats and with the miss a week and a half ago. 

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The operational ECMWF abandoned its call for a big snowstorm, but its AI cousin maintained continuity from its earlier cycles with its call for a lack of snow.
image.png.21376f283e05341c0a731f5343d4177c.png
 
FWIW, I've seen some complaints on social media concerning the EC-AIFS. They concern the model's being a "black box." At this point, given what I've seen, it's probably better that the AIFS is, in fact, a "black box," as it limits the ability of those who don't like what they see from injecting their own biases into the mix; a lot of that occurs when the non-AI model solutions are pulled apart (often yielding incorrect solutions from the injection of subjectivity).
The AIFS has done quite well this winter, especially within four days. It has sometimes seen changes, but its run-to-run continuity is generally better than its non-AI counterparts, aside from its accuracy. This allows for longer lead time without compromising accuracy.
It’s following the pattern we’ve seen since basically September, 2024. Dry. This entire  winter (since November) has been exceptionally dry. Modeled QPF at range just dwindles as we move closer in time to the “event”. This drought is proving to be way worse than the 2001-02 drought 

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