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Pattern January Joke

I think this year the modeling may be off more than usual because there’s no strong signal from any of the telleconnections we use. Enso, mjo, and most of the rest are flat and not the main driver we’ve seen in previous years. I’m hoping a -NAO and +PNA can help. There’s been other hints in the pacific too that could benefit us. Unfortunately, it’s going to take a few weeks.
Agreed, the models dove quick from glory to doom and gloom for those who don’t want heat waves in winter. It would be nice to know what happened to show the -NAO and ridging on the West Coast for days to an abrupt change to the opposite. Right or wrong w’ell get what we get!
 
I think this year the modeling may be off more than usual because there’s no strong signal from any of the telleconnections we use. Enso, mjo, and most of the rest are flat and not the main driver we’ve seen in previous years. I’m hoping a -NAO and +PNA can help. There’s been other hints in the pacific too that could benefit us. Unfortunately, it’s going to take a few weeks.
MJO lock up is an issue also. It’s in the COD. Model guidance is everywhere.
 
Euro AI ensemble for this am shows one of the best runs it has had yet for the pattern upcoming. Nice evolution. The AI guidance continues to be more aggressive with this pattern. I think it's a pretty big under the radar battle right now. View attachment 180766

Yeah, but horrible trend. Ridge trending off the coast and obviously some members now dropping a trough into the SW.
 
Yeah, but horrible trend. Ridge trending off the coast and obviously some members now dropping a trough into the SW.
True but if the next three model runs flipped back do you get excited or have reserve? The 500 pattern has been drastically different over the past few runs based strictly off of duration from what I see.
 
Been a little bit of can kicking on the models but it always seems to take a little longer than we hoped to really shake up the pattern. A few days ago the EPS had -EPO on 9-10th......now it's 12-13th. But all the ensembles agree that at some point by mid-Jan we see EPO flip.

The red line is Jan 10th...

EPS-EPS.gif
 
Seems like another reason we are seeing less -EPO is because the western ridge axis is trending further southeast to more of a classic +PNA look View attachment 180781

That’s exactly what’s occurred with the EPS from 0Z yesterday to 0Z today. For the SE US, especially deep SE, that trade-off is typically a net benefit for those who want to
minimize the chance for a long torchy period fueled by a dominant SER.
 
I think I'm going back to the old school weather watching from my childhood. Thermometer, wind direction, and cloud type and obs from Texas.

More accurate than whatever supercomputer algorithm is spitting out these kinds of results.

From this to that in 24 hours, lol.
1767286229292.png
1767286288995.png
 
MJO lock up is an issue also. It’s in the COD. Model guidance is everywhere.

Based on the average of the 8 Jans over the last 50 years with 2/3+ of days inside the circle (oddly enough I decided to research this only after Joe Bastardi mentioned this in several of his posts), I hope most days remain inside the circle.

In the SE US this is how Jan temps and wintry precip ended up:

1977: historic cold/RDU 2.1” plus multiple days of sleet and ZR/snow to S FL and Bahamas
1980: NN to slightly AN/RDU 2.2”
1981: BN to MBN/RDU 2.6”
1982: BN/original ATL 7” snowjam/RDU 6”
1994: BN
1996: NN to slightly BN/RDU 5.6”
2000: NN to slightly BN/RDU 25.8”/TWO major ZR ATL
2003: BN/RDU 3.5”

RDU averaged 6” of snow, 240% of normal!

Here’s the avg, which is significantly colder than that for Jans with <20 days inside the circle:
IMG_6629.png
 
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