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Spring 2023 | Outlooks and Discussions


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There should be a small respite in there with a trough sliding through the east, but the length might be a bit overstated. Just going on what we have seen this year and the basic pattern, one would expect PWATs to rise somewhere between the 15th and 17th. The question then becomes, is there a trigger?  

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On 4/1/2023 at 8:58 AM, Iceresistance said:

Joe Bastardi has mentioned that April 8th through the 20th will be very inactive for Severe Weather.

Yep should be a pretty big lull (for April at least) but I don't really think it will last that long but we'll see 

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Not a fan of what im seeing for long range of course it still is looking far into the future and hope I am wrong in this assessment. Models are trying to spit a return of the ridging that has been ever present most of this winter in the east. Warmth would be expected in the later half of April in the east is starting to look more and more likely, while many will enjoy the warm up there will be issues that arise. The reason of concern is with the jet slowing down with seasonal changes and the ridging pattern not budging much we stand the chance of seeing this pattern hold as we go into late spring an early summer. Meaning the Midwest and areas that have been getting hit with severe weather very well could continue this pattern. This type of pattern also opens up the pathway for cut-off lows in the east getting stuck underneath the ridging pattern, low level flow coming out of the south and the Atlantic creating the potential of quite the rain potential. Models are having a bit of a tough time grasping the potential cut-off low we may have going into mid month.

The last few storms have tried to go into areas of eastern Canada but seemingly have been shunted further south across New England leading to wave breaking occurring out in the Atlantic. This next system coming in will have a doorway open to going further north which may allow the ridge to briefly go west and allow for a wave break to occur over the US leading to that cutoff low around mid month. The reason why im concerned is this is an ominous pattern potential for summer and hurricane season. Weak troughing in the eastern US, which has been lacking most of the winter, may start to develop and this allows the weakness between the two ridge setup to occur (Atlantic and the mountains ridge) this draws in tropical activity and throws the potential of increased tropical activity to be steered into the Eastern US. 

Now this is speculation at this time but people really should not let their guard down thinking we are now having virtually no La Nina signal in oceanic anomalies so all should be good and low hurricane season is on the table. There are not many signs atmospherically we have transitioned to a more neutral state or even El Nino like so the lag effect of the La Nina ending takes us into early summer. So what really is important here in the next month or two is that we need to watch how quickly we continue to reverse the Oceanic and atmospheric portions of ENSO. How quickly do temps rise in 3, 3.4, and 4? Do we have more WWB (westerly wind bursts) that set up? Do we increase shear across the tropics and subtropics?

I really have this weird feeling we are in for a hot start to summer coming up here and may very well be off to the races for tropical activity as we enter June/July. After this is a wild guess as it could be an early start and rather mundane end to the season but not before causing issues in between. Hope im wrong but after this system tomorrow it at least looks to have a brief break in widespread severe weather for a week or so. All bets are off though for severe weather after the potential of this cutoff low in the east leading into mid month. 

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2 hours ago, StormfanaticInd said:

MJO showing some signs of potentially heading towards phase 2 again later this month image.thumb.png.fe81de59678c5b503d48efb290a90504.png

I think the bigger deal right now is the movement through phase 6 and 7. Should help get the El Nino pumping again. If we get another couple of loops like that (with 3-5 being skipped mostly) I think we'll see the true flip to an El Nino pattern by June/July with an active subtropical jet. This could extend severe weather season well into the summer for the Southern and Central Plains. July 2009 had quite a few (albeit weak) tornadoes in Kansas and even a some strong ones down in Arkansas. July 2015 was pretty active over Kansas and Missouri as well. Should be interesting to watch. 

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On 4/10/2023 at 10:10 PM, Ingyball said:

I think the bigger deal right now is the movement through phase 6 and 7. Should help get the El Nino pumping again. If we get another couple of loops like that (with 3-5 being skipped mostly) I think we'll see the true flip to an El Nino pattern by June/July with an active subtropical jet. This could extend severe weather season well into the summer for the Southern and Central Plains. July 2009 had quite a few (albeit weak) tornadoes in Kansas and even a some strong ones down in Arkansas. July 2015 was pretty active over Kansas and Missouri as well. Should be interesting to watch. 

You mention 2009, should we worry about the temps being cooler like that year?  2009 was a cool summer.  

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19 hours ago, Al_Czervik said:

You mention 2009, should we worry about the temps being cooler like that year?  2009 was a cool summer.  

I'd have to look at the overall pattern first but SSTA wise this spring isn't too dissimilar to 2009 in terms of ENSO. It actually too longer for the La Nina to end in 2009. I'll have to look and see where the El Nino developed though. Right now it's developing from east to west and the direction it develops can have a big impact on U.S weather. 

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The two earliest starting Ninos, 1965 and 1972 looked like this for March

cd174_242_74_83_102_14_25_47_prcp.png.79970dd78cccbf1c84b92ef8a1a421bd.png

March 2023 looked like this. Not perfect, but maybe just an east-west displacement. Analogs are never gonna be 1:1, so this isn't bad in my opinion.

Last1mTDeptUS.thumb.png.143e57959820462c084b22c02b25ce6e.png

April for 1965 and1972 blend.

cd174_242_74_83_102_14_22_47_prcp.png.649ec734d79c9339e988519da70c7f11.png

April so far

MonthTDeptUS.thumb.png.b753c6e31e30d6706a873ddd67ede089.png

The warm anomalies in the mid Atlantic probably won't get wiped out, but the rest of the month is looking cooler for northern New England and possibly the great lakes.  I'll try and update when the month comes to a close.

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On 4/23/2023 at 1:00 PM, NWOhioChaser said:

Sooo when’s the 85 and sun today, 50 and rain tomorrow swings going to stop? Sinuses are getting f***** right now 

2nd week of May-ish, though we should be mostly cooler than normal to average for the next 2 weeks. Problem is that then we might go straight from 60 to 80 with 1 day in between. 😝

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