Stormchaserchuck1

CPC has +8c anomalies in the central-subsurface, -150m, as of Apr 23.

Does anyone trade weather derivatives or is familiar with it? It's kind of frustrating that this May pattern was predictable far in advance -- March was 2nd most +NAO on all of records, going back to 1950. The +2 month, following May's had a strong below average temp signal: So here we are in May, and it's verifying Sometimes in weather forecasting there are these strong leads -- and I would like to be able to use knowledge to increase capital. PNW warmth was very predictable from pre-El Nino year May's, a composite that has been working out every month since November 2025:

Man, I don't want a cool May. It's also our most cloudy month of the year, so below average also means more clouds

2 days of strong -SOI, moving the 30-day average to the lowest since 23-24 El Nino 26 Apr 2026 1010.40 1011.90 -28.05 -9.61 3.89 25 Apr 2026 1010.94 1012.50 -28.48 -9.08 4.09

Surface pressures in the wrong positions?

45 and rain. Would be nice if it was 1.5 months earlier

Worse yet -- you don't read the thread. You are just copy and pasting what you said B4

+3c subsurface now stretches all the way from 160E to 90W

You keep saying the same thing over and over

An example of analogs working: March +NAO was top 2/900. When rolled forward to May, it is surprisingly cool, and this is the idea being adopted by CPC going forward Pre El Nino May: Nice combo of the two: warm in PNW. Cool elsewhere.

Continuing to look like the roll forward March +NAO composite.. when you have something so strong as top 2/900, it does have validity

It's the context in which you use it though: If you were saying it is biased colder because of the 3-year period after the eruption, that would make sense, but another pattern prevailed, opposite of the Pinatubo probability.

I'm big believer in Global SSTA's the year before, May-Nov, being a great indicator for Winter WPO. A big one is the Indian Ocean - Warm SSTAs correlate with +WPO at 0.5 (75% chance of positive) and visa-versa for cold SSTAs, relative to the global mean.

Cooler start to May March 2026 was 2nd most positive NAO on record out of 900 analogs. Roll forward to May looks like a match:

91-92 is my favorite analog right now

Bluewave has posted graphs of a linear warming trend in Nino 4, 1950-present. It's much more of a straight line than other ENSO regions.

I think models are overdoing it -- you want the SOI to be lower, but it never got strong in 2023 so it may still be a lagging indicator, which it has been for the last 3 years.

Coming precip patterns are pre-El Nino Apr-May precip before later-in-the-year Nino 3.4 El Nino's: 6-14 day CPC forecast

Let's see if it makes it all the way to Nino 1+2

Western ENSO subsurface continues to strengthen, making me think 57-58, 65-66, 86-87, 91-92, and 15-16 could be top analogs. >+4c on TAO/Triton at 160E, -150m

^Matching developing El Nino's in Apr-May

36/18

I'm not too upset about missing the HECS because it would have been gone in a few days. The Jan 25 storm sticking around for 4th longest on Baltimore record makes this Winter, imo. even though there could have been more light snow events. I think it only snowed here (flurries or more) 11 times the whole Winter. 19 last Winter, and under 10 each of the previous Winters since 2018. A light snowfall drought. Such a thing actually predicts future Winters at 0.2 correlation.

Already 38 here

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