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40/70 Benchmark

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About 40/70 Benchmark

  • Birthday 11/16/1980

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  • Four Letter Airport Code For Weather Obs (Such as KDCA)
    KLWM
  • Gender
    Male
  • Location:
    Methuen, MA, 154' ASL 30 mi N of Boston
  • Interests
    Snow, Canes , Baseball, Football and Keeping Fit.

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  1. 40/70 Benchmark
    You can never get a 500mb forecast composite to look perfect, though....especially considering CC because you have to use analog years to construct them.
  2. 40/70 Benchmark
    I went with a preliminary .35 to .65 for DJFM mean PNA, and -.02 to .27 PDO. I feel comfortable with that.
  3. 40/70 Benchmark
    @Stormchaserchuck1I understand how the low the heights are in the N Pacific and into the SE CONUS on that comppsite...this is just preliminary. I'll probably make an adjustment to the final composite to address that, especially if El Niño continues to struggle to couple throughout the mid latitudes of the N Hem well into the fall...like subtracting a very early climo period rather than 1951-2020.
  4. 40/70 Benchmark
    I'm just being a d1ck. What other factors do you feel are influencing it?
  5. 40/70 Benchmark
    Pretty good consensus between my composites.
  6. 40/70 Benchmark
    Early work on the Extra tropical Pacific is done. https://easternmassweather.blogspot.com/2026/08/preliminary-assessment-of-extratropical.html
  7. 40/70 Benchmark
    Pretty good consensus between my composites.
  8. 40/70 Benchmark
    Early work on the Extra tropical Pacific is done. https://easternmassweather.blogspot.com/2026/08/preliminary-assessment-of-extratropical.html
  9. 40/70 Benchmark
    Yup, and I do think it will get more redolent of El Niño in the mid latitudes throughout the n hemisphere.
  10. 40/70 Benchmark
    Right.
  11. 40/70 Benchmark
    I haven't been having an issue.
  12. 40/70 Benchmark
    This is why the pattern in the mid latitudes hasn't been more redolent of El Nino this summer. El Niño in the tropics, of course: Mid latitudes, not so much.
  13. 40/70 Benchmark
    I wonder if this has to do with climate change? That is, if the climate were actually changing....
  14. 40/70 Benchmark
    Every other week for me, but may miss this week.
  15. 40/70 Benchmark
    I think it's significant in the absolute sense in that a scenario where the ONI is higher is indicative of a different Pacific landscape than if the RONI were higher, however, I agree regarding the data source variation....it's likely just data set differences.
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