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Archive Severe Weather 2019 (3 Viewers)

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JayF

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I hope everyone had a great evening last night and rang in 2019 while celebrating the achievements and good times of 2018 while also remembering times that not have been so good in 2018. We do not become better by forgetting the past but learning from it. May God bless every one of you this New Year.

This is the beginning of the 2019 Severe Weather thread.
 

kivey2969

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Here's hoping that any tornadoes in 2019 touch down in the middle of open nowhere, away from people and property. That will allow chasers and scientists to get the the data they need. And more importantly, nobody gets hurt or is killed.
 

andyhb

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Purely anecdotal, but the last time OKC had a snowfall as large as what is possible today (>6”) was Feb 1-2, 2011.

Moving past anecdotes, this relatively active storm track through western North America over the past month or so has me a bit intrigued if it can continue in some matter into spring.
 

Timhsv

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Purely anecdotal, but the last time OKC had a snowfall as large as what is possible today (>6”) was Feb 1-2, 2011.

Moving past anecdotes, this relatively active storm track through western North America over the past month or so has me a bit intrigued if it can continue in some matter into spring.

Me as well...
 

warneagle

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Well, on the other hand, there's a pretty high probability (60% per NOAA) that we'll be looking at an El Niño into the spring months. I was actually just reading Cook, et al's paper on ENSO and winter/early spring tornadoes earlier this week, which suggests that tornado activity tends to be weaker and confined to lower latitudes during the El Niño phase.

I'm a natural pessimist, so I'm not getting my hopes up.
 

rolltide_130

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Well, on the other hand, there's a pretty high probability (60% per NOAA) that we'll be looking at an El Niño into the spring months. I was actually just reading Cook, et al's paper on ENSO and winter/early spring tornadoes earlier this week, which suggests that tornado activity tends to be weaker and confined to lower latitudes during the El Niño phase.

I'm a natural pessimist, so I'm not getting my hopes up.

El Nino can increase the southern stream energy but it doesn't necessarily mean a season will be stronger or weaker by itself. There are other factors to consider as well such as the PDO and the moisture content of areas to our west. 1998 (Which may be the banner year for sustained Dixie activity sans 2011) was coming off an EXTREME Nino, and it was one of the most active we've had here. Regardless, as we start moving into the Dixie season over the coming months we'll be watching with diligence as we always do.
 
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El Nino can increase the southern stream energy but it doesn't necessarily mean a season will be stronger or weaker by itself. There are other factors to consider as well such as the PDO and the moisture content of areas to our west. 1998 (Which may be the banner year for sustained Dixie activity sans 2011) was coming off an EXTREME Nino, and it was one of the most active we've had here. Regardless, as we start moving into the Dixie season over the coming months we'll be watching with diligence as we always do.

That's why I was surprised (and I don't think I was the only one) at the lack of higher end events in April, 2016 coming off the Super Nino of 2015.
 

rolltide_130

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That's why I was surprised (and I don't think I was the only one) at the lack of higher end events in April, 2016 coming off the Super Nino of 2015.

The PDO seems to have more to do with that than the Nino phase from what I've found, and the PDO is torching right now as it has been for a pretty long time with no signs of letting up anytime soon.
 

Kory

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We had no other ENSO forcing (as it was in a neutral phase), and the PDO began to trend to a very positive state. Remember the blob in the North Pacific? That drove the mega PNA ridging.
 

andyhb

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The PDO seems to have more to do with that than the Nino phase from what I've found, and the PDO is torching right now as it has been for a pretty long time with no signs of letting up anytime soon.

I wouldn't quite say it's torching looking at the latest data. Seems to be more neutral if anything with the warmth in the western North Pacific as well. There is also some cooling off the coast of Mexico and Baja California, which is a change from the past several years.

2015 had a strong +PDO and was one of the more active years recently, but the main issue was the lack of an EML. Remove that problem, and May of that year could've been up there with some of the big ones over the last 30 years like 1995, 2003, 2004 and 2008. I'm not saying having a +PDO is beneficial, but there have been some big years with it too.
 

Austin Dawg

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I'm curious how this season will turn out with the El Nino in effect.

I usually get basic model info from weather.gov, which is down due to the gov shutdown. I love the gif play option. Do you guys have any suggestions on another website I could reference?
 

warneagle

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Got a tornado on a marginal risk with less than 2% tor? 2019 is gonna be lit y'all.
 

MattW

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Yea, I don't think one tornado in one place is any kind of "pattern" to go off.
 
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