Looks good right now, but I will take another look in the spring. Maybe you are right, but I will say that my March composite is pretty mild in the east.
Exactly correct.
1972-1973 to a tee....except with some blocking, which made no difference. I thought the blocking would yield a better result relative to that year and with some luck, it would have.
Kev's concerns were valid....I suspected the drier interval would be more confiened to the first half of the month. Butttt....nope. NSI index remains positive.
Not in the manner many speculated, which was a strong PV....I correctly called BS on that last summer and wrote a post as to why.
https://easternmassweather.blogspot.com/2023/08/preliminary-analysis-of-extratropical.html
This is what is frustrating me to know end....still the snowfall and even temps were so far off.
I need to:
1) Do a better job reflecting CC in my interpretation of how composite seasonal forecasts will trasnlate to sensible weather.
2) Garner a better grasp of the extra tropical Pacific and account for it better.
I measured the analog composite against 1951-2010 climo period for comparison to this season in order to account for climate change...otherwise, measuring this year against analogs several decades old yields an unrepresentative volume of higher heights.
Its like I was saying to Will yesterday, the issue is we need some large tropical impetus to shake up this stable hemispheric alignment that features an extra tropical Pacific that is very hostile to ne US snowfall. My guess is that an immensely active tropical season followed up by a healthy La Nina could do it....much like the massive El Nino in 2016 realigned what had been a very favorable extra tropical Pacific for ne US snowfall.
I failed to recognize this in my past couple of outlooks, which is why correctly forecasting the polar domain was useless as it relates to the snowfall forecast.
These failed efforts have taught me that high latitude blocking is not as proiminent a driver as I had perceived.
If something becomes imminent, then I'll be all in..unlikely, but possible. But I am done chasing long range pots of gold over the other side of the rainbow this season. Take your SSW and suddenly shove it stratospherically far up your brown vortex-
The correlation with ACE only works during La Nina winter seasons, according to Raindance.
It looks like next year should at least approach normal snowfall for the region, assuming a high ACE, even with like a 1998 scenario.