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Late Feb/March Medium/Long Range Discussion


WinterWxLuvr
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The NAO is just not sustaining negative lately. 

Winter 23-24: 

Dec 2023 +1.94
Jan 2024 +0.21  Feb 2024 +1.09

Since Dec 2013, only 5 Winter months negative (41/46 positive)

Dec 2011  2.52
2012   1.17   0.42   1.27     Dec  0.17
2013   0.35  -0.45  -1.61     Dec  0.95
2014   0.29   1.34   0.80     Dec  1.86
2015   1.79   1.32   1.45     Dec  2.24
2016   0.12   1.58   0.73     Dec  0.48
2017   0.48   1.00   0.74     Dec  0.88
2018   1.44   1.58  -0.93     Dec  0.61
2019   0.59   0.29   1.23     Dec  1.20
2020   1.34   1.26   1.01     Dec -0.30 
2021  -1.11   0.14   0.73     Dec  0.29
2022   1.08   1.68   0.77     Dec -0.15
2023   1.25   0.92  -1.11     Dec  1.94
2024   0.21   1.09

Never going below -1.11 for the Winter month since Dec 2013. 

Since Dec 2013, 16 Winter months over +1.11! (16-0)

A lot of that has to do with the southern part of the NAO measurement, near the Azores, and spread out over the N. Central Atlantic Ocean. 

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8 hours ago, ravensrule said:

Fixed. 

Hahaha!  I would have never thought that post by @Deck Pic would be a RR bat signal, but there ya go! :lol:  But I guess it's like anything else, it's in the eye of the beholder what one sees!  There's a Tom Lehrer song called "Smut", and one line goes "When correctly viewed...everything ls lewd!"

 

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On 3/9/2024 at 12:25 PM, Stormchaserchuck1 said:

The NAO is just not sustaining negative lately. 

Winter 23-24: 

Dec 2023 +1.94
Jan 2024 +0.21  Feb 2024 +1.09

Since Dec 2013, only 5 Winter months negative (41/46 positive)

Dec 2011  2.52
2012   1.17   0.42   1.27     Dec  0.17
2013   0.35  -0.45  -1.61     Dec  0.95
2014   0.29   1.34   0.80     Dec  1.86
2015   1.79   1.32   1.45     Dec  2.24
2016   0.12   1.58   0.73     Dec  0.48
2017   0.48   1.00   0.74     Dec  0.88
2018   1.44   1.58  -0.93     Dec  0.61
2019   0.59   0.29   1.23     Dec  1.20
2020   1.34   1.26   1.01     Dec -0.30 
2021  -1.11   0.14   0.73     Dec  0.29
2022   1.08   1.68   0.77     Dec -0.15
2023   1.25   0.92  -1.11     Dec  1.94
2024   0.21   1.09

Never going below -1.11 for the Winter month since Dec 2013. 

Since Dec 2013, 16 Winter months over +1.11! (16-0)

A lot of that has to do with the southern part of the NAO measurement, near the Azores, and spread out over the N. Central Atlantic Ocean. 

Upon further review, there is something wrong with the CPC's NAO calculation. 

This is not a strongly positive NAO:

1.gif.06619af078df401bf991c626e22b914b.gif

Looking back over past Winter's, there were a few -NAO's in there too, that were deemed to be positive. The NAO is calculated by sea-level pressure differences between Iceland and the Azores.  High up top, Low at the bottom, is -NAO. Low at the top, High pressure bottom is +NAO. 

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6 minutes ago, psuhoffman said:

IMG_1852.thumb.png.c254daea66e32287922db507a2c19047.png

IMG_1853.png.1b69377b678faab62c4b7065490cd6db.png

We all really need to move.

Only time the grass is dormant/ I can't put (cool season) tall fescue grass seed down and expect it to germinate is early Dec through late Jan- not necessarily because of temps or lack of precip, but because the sun angle is low/days are too short. Probably would grow if that period torched with a persistent SE ridge. Coming soon..

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1 hour ago, CAPE said:

We all really need to move.

Only time the grass is dormant/ I can't put (cool season) tall fescue grass seed down and expect it to germinate is early Dec through late Jan- not necessarily because of temps or lack of precip, but because the sun angle is low/days are too short. Probably would grow if that period torched with a persistent SE ridge. Coming soon..

Yea... but since I'm not going to uproot my kids and take them away from their mom and walk out on a really good job 12 years from earning my pension...just because I love snow...that isn't happening anytime soon.  I will probably move to south central Vermont when I retire and the kids are both out of the house.  Until then... I just have to accept what it is.  The kids love snow but they aren't picky...as long as we get a couple good snows a year (and they define good as like 3") they are happy and we still get that most winters at least.  

I have been frustrated the last few years by a couple (mostly stupid) factors...one being I had not come to acceptance with the reality yet.  I was still stubbornly holding out hope that MOST of our troubles were just bad luck or cyclical and that things would bounce back.  I still think things might bounce back some, eventually the PDO will improve...but truth is things are not what they once were and I need to just come to Jesus about that.  The other was my stupid tendency to argue with the people that want to be "less than objectively scientific" about this.  I need to let that go.  

At this point I just hope the trends slow down...I hope that once the PDO flips it stabilizes things.  Because if things keep warming in the eastern US at the same rate it has been the last 30 years...truth is there won't be much of any winter at all soon...we "joke" about us being SC but truth is we are only 10-20 years away from that actually being true if the current warning rate continues.  I am NOT saying it is going to, I think we are in a spike due to the 2016 Nino and the PDO cycle in tandem...but just saying...if things don't level off soon in that regard there really wont be any true winter or hope of much snow at all anymore very soon.  

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And may I suggest for those that NEED a snow fix...start chasing.  My ski hobby helps a lot.   For the last few weeks I have been way less worried about the day to day ups and downs of our snow chances here partly because I have been focused on what might happen up in northern New England.  Same earlier in the season when I was focused on out west and not worried about the fact our pattern here was going to shit.  You don't have to ski... set aside time for one or two trips to a snowy area each year and focus on that instead of it snowing here.  Just a suggestion, it helps me, but everyone is different.  

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Pretty awesome pattern for below average here:

https://ibb.co/bsDzrQg

Too bad this didn't occur in the Winter time.. 

The Pacific pattern actually changes this weekend, and sometimes when we have cold the day of (warm the day of too), models go more aggressive on the same pattern initialized out down the road.  I think we can hold out some hope for some snow flakes in northern MD by the end of March..

With that being said, it is 70 degrees out the next 2 days, and the PDO still has not changed, so the same model trend that has occurred all Winter has a chance to repeat in the next few days, going not as aggressive with the cold in the LR.. If it holds though, that's a really nice look at least for some below average conditions in the NE for the last few days of March and into early April.. 

We do have a strong 10mb warming going on now, so that at least supports what the model shows (average time lag at this time of the year is +10-15 days).. 

1898855319_1A(2).gif.25e72d9d918da2214119185c7b186f42.gif

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