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March 2024 Discussion

Meh, don't sweat it. It'll show it till a week before then the opposite will happen; late Feb to early March repeat.
No this look will hold because it will do us absolutely no good whatsoever in terms of snow. It will set us up for 40-45 degree rains followed by dry weather and lows 25-30 and highs in the mid 50s
 
No this look will hold because it will do us absolutely no good whatsoever in terms of snow. It will set us up for 40-45 degree rains followed by dry weather and lows 25-30 and highs in the mid 50s
That's fine. Since we don't have a winter anymore a cool spring at least keeps us from going straight into insufferable heat.
 
The Euro AI model is on tidbits. I might be wrong but I immediately trust this model over anything else offered. This technology will be huge with weather, no more staying up till 2am to snow at 30 degrees 144 hrs out become 50 and rain.
 
I see wxtwitter is getting all sweaty about the trough at the end of a lot of runs.

Theres more and more support for the mjo actually going through the MC-->Wpac-->whem Africa but I'm still skeptical since we've seen this so many times and rarely does it work anymore
 
I'm not going to toot my own horn for saying this 2 weeks ago because even a blind squirrel could've seen this coming. Right on queue you can get ready for 40 degree rain and a lot of it and mid 50 dry days sprinkled in between from now until May and even then we will be below average until the end of May. It's like clockwork every single year. Fall runs from October- February, Winter is March-May, and Summer is June-September.
 
I'm not going to toot my own horn for saying this 2 weeks ago because even a blind squirrel could've seen this coming. Right on queue you can get ready for 40 degree rain and a lot of it and mid 50 dry days sprinkled in between from now until May and even then we will be below average until the end of May. It's like clockwork every single year. Fall runs from October- February, Winter is March-May, and Summer is June-September.
I think it's more like Fall, cool Spring, regular Spring and then Summer now. Fall goes from October to November, cool Spring is December to March, regular Spring is April, and summer is May to September.
 
The end of the 0z eps had the mjo progressing nicely into p8/1 eps_chi200_global_31 (2).png
And the patterneps_z500a_nhem_61 (1).png
Matched/was close to the higher amp p8 composites
MarchPhase8gt1500mb.gif

The 12z gfs holds the forcing back toward 5-7
gfs_chi200_global_31.png
It ends here

gfs_z500a_nhem_65 (1).png
Which looks a lot like p6


MarchPhase6gt1500mb.gif

The 0z gep got into a lower amp p8ish
gem-ens_chi200_global_33 (1).png
It ends heregem-ens_z500a_nhem_65 (2).png
Which is close to the all amplitude 8 composite
MarchPhase8all500mb (1).gif

Certainly not arguing that cold may not come but we are essentially where we were 4 weeks ago expecting the mjo to roll nicely through the cold phases and it fell apart. With some nino left in the pattern I wouldn't be terribly surprised to see the mjo make it into p8/1/2 but it's hard to not be skeptical given how we've seen the mjo progress. On the flip side our last few springs have been far more effective at progressing the mjo into the whem/africa/io phases than the dead of winters
 
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To add to the above if we were rolling into a higher amplitude phase 8/1/2 with good model agreement I would actually say we aren't done with snow threats albeit low end. The climo window is closing rapidly around 3/15 but it's not completely dead
 
The Euro AI model is on tidbits. I might be wrong but I immediately trust this model over anything else offered. This technology will be huge with weather, no more staying up till 2am to snow at 30 degrees 144 hrs out become 50 and rain.
It’s incredibly consistent already at day 12 68F71DD6-B179-4517-A64E-6E9FB62EF335.gif
 
It’s incredibly consistent already at day 12 View attachment 147007
i'm generally AI skeptical for most companies, with the exception being a computing-intense subsector like numerical weather prediction. we complain all the time about "the model has this bias, the model has that bias..." i have a primitive understanding of this but i feel like it wouldn't be difficult to train different models that utilize AI/machine learning to correct common biases and errors. i think it will be interesting to see if there's a jolt in increase model efficacy across all timespans, from short term to weeklies. if there is, awesome, although I wouldn't be surprised if the field begins to reckon with tough conversations about just how many human forecasters we need in a world with increased model accuracy
 
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