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February 2026 OBS & Discussion


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52 minutes ago, NorthShoreWx said:

The 2020's might be what is skewing the means. There's more than just cc at work in those awful 2020's March's.  There is also coincidence.  Let's revisit this discussion in 5 years.

Unfavorable enso you think? Nina has been so dominant in the 2020s its insane. We need a good string of niños for the latter half of the 20s to avoid the decade being another disaster like the 80s or worse.

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Temperature got briefly up to 33 here.  With the clouds that have moved in, its back down to 30.7°

This morning's low was 15°  We've really not been radiating well so far this winter compared to usual.  I'm not sure why.  I suspect that the windier than normal conditions on average is part of it, but not necessarily the only factor.

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March during the 2020s through 2025 has been the least snowy decade.

     
     
     
     
     
     


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 0.5 0.5
2025 0.0 0.0
2024 0.0 0.0
2023 1.6 1.6
2022 1.6 1.6
2021 T T
2020 T T

 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 8.2 8.2
2019 4.1 4.1
2018 31.9 31.9
2017 7.4 7.4
2016 3.2 3.2
2015 19.7 19.7
2014 5.4 5.4
2013 7.4 7.4
2012 T T
2011 2.1 2.1
2010 0.4 0.4


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 5.4 5.4
2009 13.6 13.6
2008 T T
2007 3.8 3.8
2006 3.2 3.2
2005 13.3 13.3
2004 5.7 5.7
2003 3.7 3.7
2002 T T
2001 10.3 10.3
2000 0.2 0.2


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 5.8 5.8
1999 9.1 9.1
1998 1.6 1.6
1997 3.7 3.7
1996 12.0 12.0
1995 T T
1994 5.0 5.0
1993 13.3 13.3
1992 7.6 7.6
1991 1.9 1.9
1990 4.2 4.2


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 3.0 3.0
1989 3.0 3.0
1988 3.4 3.4
1987 1.7 1.7
1986 0.1 0.1
1985 T T
1984 13.0 13.0
1983 T T
1982 T T
1981 7.1 7.1
1980 2.0 2.0


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 3.1 3.1
1979 T T
1978 10.4 10.4
1977 4.0 4.0
1976 3.9 3.9
1975 1.2 1.2
1974 8.0 8.0
1973 T T
1972 1.0 1.0
1971 1.0 1.0
1970 1.0 1.0


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 6.9 6.9
1969 11.0 11.0
1968 3.0 3.0
1967 21.7 21.7
1966 0.0 0.0
1965 4.5 4.5
1964 1.0 1.0
1963 M M
1962 M M
1961 M M
1960 M M
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11 minutes ago, bluewave said:

March during the 2020s through 2025 has been the least snowy decade.

     
     
     
     
     
     


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 0.5 0.5
2025 0.0 0.0
2024 0.0 0.0
2023 1.6 1.6
2022 1.6 1.6
2021 T T
2020 T T

 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 8.2 8.2
2019 4.1 4.1
2018 31.9 31.9
2017 7.4 7.4
2016 3.2 3.2
2015 19.7 19.7
2014 5.4 5.4
2013 7.4 7.4
2012 T T
2011 2.1 2.1
2010 0.4 0.4


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 5.4 5.4
2009 13.6 13.6
2008 T T
2007 3.8 3.8
2006 3.2 3.2
2005 13.3 13.3
2004 5.7 5.7
2003 3.7 3.7
2002 T T
2001 10.3 10.3
2000 0.2 0.2


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 5.8 5.8
1999 9.1 9.1
1998 1.6 1.6
1997 3.7 3.7
1996 12.0 12.0
1995 T T
1994 5.0 5.0
1993 13.3 13.3
1992 7.6 7.6
1991 1.9 1.9
1990 4.2 4.2


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 3.0 3.0
1989 3.0 3.0
1988 3.4 3.4
1987 1.7 1.7
1986 0.1 0.1
1985 T T
1984 13.0 13.0
1983 T T
1982 T T
1981 7.1 7.1
1980 2.0 2.0


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 3.1 3.1
1979 T T
1978 10.4 10.4
1977 4.0 4.0
1976 3.9 3.9
1975 1.2 1.2
1974 8.0 8.0
1973 T T
1972 1.0 1.0
1971 1.0 1.0
1970 1.0 1.0


 

Monthly Total Snowfall for ISLIP-LI MACARTHUR AP, NY
Click column heading to sort ascending, click again to sort descending.
Mean 6.9 6.9
1969 11.0 11.0
1968 3.0 3.0
1967 21.7 21.7
1966 0.0 0.0
1965 4.5 4.5
1964 1.0 1.0
1963 M M
1962 M M
1961 M M
1960 M M

Odds favor at least a few above average March snowfalls the rest of the way through the decade - maybe 1 or more much above normal.

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5 hours ago, eduggs said:

I think people forget how warm March has gotten around here. It almost never snows outside the mountains in March these days. And on the uncommon occasions it does, it melts in a day or two. I think we need winter to deliver in February, preferably the first half. Technically it can snow right into April, but climate norms and sun angle get hostile to the winter vibe really fast after mid-Feb. near the coast at 40 degrees north.

it was far warmer in the 80's and i would be fishing for flounder in the navesink by the last week of feb and by mid march would have half a dozen trips in already. that ended by the mid 90's along with the near extinction of the winter flounder stocks, which crashed in the aughts and never recovered.

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Snowfall-to-date maps updated (#3 for the season). Thanks to everyone who sent reports, i tried to use most of them if i could. Reports are from here, cocorahs, COOP and official climo sites. You can always find these up on the site as well as CT and Southern New England maps.

https://www.jdjweatherconsulting.com/seasonal-snowfall/25-26-seasonal-snowfall

02_03.26_jdj_v3_lower_northeast_hi_res_seasonal_snowfall.thumb.jpg.91a55b4c31d4bf45808655760babedcc.jpg

02_03.26_jdj_v3_tri_state_hi_res_seasonal_snowfall.thumb.jpg.06f6c7a4f9e793913ab6c2136d05c3fb.jpg

 

Progression:

02_03.26_jdj_v3_tri_state_hi_res_seasonal_snowfall_3_stage.thumb.gif.58eaed6da5d737161e7694988ec15cc5.gif

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4 hours ago, MarcmmKU said:

Unfavorable enso you think? Nina has been so dominant in the 2020s its insane. We need a good string of niños for the latter half of the 20s to avoid the decade being another disaster like the 80s or worse.

The decade from 1982-92 was el nino/+PDO heavy. We had 3 strong/super el ninos back-to-back (82-83, 86-88, and 91-92), and a +PDO la nina (83-85). The only real break from el nino/+PDO was the strong la nina in 88-89.

Not anything like 2016-present, which has been la nina/-PDO heavy.

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Tomorrow will be another relatively mild day. Highs will likely top out in the lower to perhaps middle 30s. A few flurries are possible as a weak system drags a cold front across the region. Colder air will then return on Thursday. An even stronger surge of Arctic air could arrive for the weekend, possibly accompanied by some snow flurries or snow showers. Highs both Saturday and Sunday could be in the teens in New York City. The last time there were two or more consecutive such highs was during January 5-7, 2018.

The persistent and often severely cold pattern could break near February 10th.

Overall, January 20th-February 3rd will likely be the coldest and perhaps snowiest two-week period this winter. The forecast WPO-/EPO-/AO-/PNA+ pattern is typically the coldest pattern in January and among the coldest during the first half of February. A persistently positive PNA will have above climatological risk of moderate or significant snowfalls. 

For perspective, the coldest two-week period this winter prior to January 20th was January 3-16, 2026 and January 4-17, 2026 with a mean temperature of 30.3°. The snowiest two-week period was December 14-27, 2025 when 7.2" of snow fell. Already, snowfall since January 20th has surpassed that figure.

The ENSO Region 1+2 anomaly was +0.1°C and the Region 3.4 anomaly was -0.4°C for the week centered around January 28. For the past six weeks, the ENSO Region 1+2 anomaly has averaged -0.38°C and the ENSO Region 3.4 anomaly has averaged -0.57°C. La Niña conditions will likely continue into at least late winter.

The SOI was +24.06 today. 

The preliminary Arctic Oscillation (AO) was -3.750 today. 

 

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Maintaining a 6"+ snowpack for 10 days is quite impressive. I'm wondering what the record might be from 1 snowstorm under a foot to last this long. Impressively whatever lasts through tomorrow will survive another 4 to 6 days at least before anymore melting

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31 minutes ago, Stormlover74 said:

Maintaining a 6"+ snowpack for 10 days is quite impressive. I'm wondering what the record might be from 1 snowstorm under a foot to last this long. Impressively whatever lasts through tomorrow will survive another 4 to 6 days at least before anymore melting

Maintaining a snowpack in early-mid February is generally easy as long as temps aren’t way above freezing. Once we get to 2/21 and beyond, you start to get daytime/sun melt even when temps are below freezing 

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Today was about the best skiing at Belleayre I have ever had. Their snow depth is literally insane with also snowmaking whales 10+ feet high on many trails. The snow was also amazing. Even did some tree skiing in the glades. Go out and enjoy it! 

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