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Yeah, still too early to know if it’s just a default or the models are onto something.
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September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
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That is the trend which is independent of the different regimes. It could be why the seasonal models are defaulting to it. I am not really interested in what the seasonal models are showing this early.
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They really need to change their opposition to air conditioning since Europe has some of the fastest summer warming on the planet. https://www.cnn.com/2025/07/02/climate/europe-air-conditioning-heat-wave-intl-latam
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Yeah, it’s funny that most of the seasonal model forecasts for this winter are defaulting to figure 1 full trend.
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September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
Having this happen two falls in a row makes me think something might have changed at least for the near term precipitation around here. But it has only been a year and things can flip back to wetter again. This top down warming and drying from Canada is something new for us though. -
I will give the EPS weeklies credit for starting to pick up on March 2012 record warmth during mid-February. https://fox12weather.wordpress.com/2012/02/16/ecmwf-weekly-maps/
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September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
Portions of the Northeast could see more drought expansion with the update tomorrow. -
September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
Friday could be the warmest day at JFK since 8-25 since we are finally getting an offshore flow. Moderate dewpoints and steep low level lapse rates. So mid 80s are possible from the forecast soundings. -
We never really know what the warmest potential is for any winter until it actually gets underway. There were no reliable forecasts prior to December 2015 suggesting the +13 and warmer than many Novembers for the Northeast. The 2016-2017 winter also gave no early model indication of how warm it would be. Same for the 2019-2020 winter. There wasn’t a seasonal forecast issued prior to December 2021 forecasting a +13 for DFW. Plus we didn’t get any indication ahead of the 2022-2023 winter from the models that there would be such a deep trough in the West. None of the models had the magnitude of the warmth for the 2023-2024 winter ahead of time. But there were indications as early as the spring and summer I was discussing ahead of time that there were warmer risks to the forecast due to how warm the WPAC was for an El Niño. But the magnitude of the warmth became extreme since we had multiple +10 months in a row. This is because nearly every winter since 2015-2016 some portion of the CONUS has experienced a +10 or warmer month. The location and magnitude of the warmth are never forecast much in advance. Dec…2015….NYC….+13.3 JAN…2017….BTV…..+11.0 FEB….2017….ORD….+10.3 FEB…..2018…ATL….+10.6 FEB….2019…MGM….+10.5 JAN….2020…YAM….+9.8 DEC….2021….DFW….+13.2 JAN….2023….DXR….+12.3 FEB….2023…..SSI…..+9.8 DEC….2023….INL…..+15.8 FEB…..2024….FAR…..+17.5 DEC….2024…..LND…..+11.3
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We haven’t had any cold and snowy winter analogs in the last 10 years which matched anything prior to the 2015-2016 global temperature jump. So that would be the main reason that 2013-2014 analog would be unlikely in this much warmer climate. We saw the same effect following the smaller jump in global temperatures in 1997-1998. Since we are yet too see a 1993-1994 or 1995-1996 repeat in the years which followed. Same goes for a replay of the 1976-1977 and 1978-1979 winters after a smaller global temperature rise in 1983. So each new global temperature jump has prevented earlier analogs from before the jumps from occurring again. We would need a major volcanic eruption not seen in hundreds or thousands of years to have a shot at one of these winters again.
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September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
Whether we get .10 or .50 most people probably won’t notice since it will be rain. Many times models are off by around .5 or more especially during the warm season when convection is involved. But everyone notices the difference between 1” and 5” when snow is involved. -
September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
The only posts I have deleted contain specific model forecast charts which can become outdated after only 1 run at times. I don’t like leaving inaccurate model information up when there is newer information available. But I never delete my forecast ideas which you can always go back and find in all the threads. -
September 2025 OBS-Discussion centered NYC subforum
bluewave replied to wdrag's topic in New York City Metro
Model forecasts change which is nothing new. I was just pointing out to Liberty who enjoys the summer heat that the models were showing 85°-90° potential near JFK. Now they have a faster frontal passage so the forecast is for 80-85°. Still a warm late summer day with a dry downslope flow. Plus these warm downslope flow days usually beat guidance. So a few spots could still see some mid 80s. Back in August I was saying that the 90° potential probably wasn’t over for the warm spots in NJ which turned out to be correct this month. Maybe you should try posting some of your own ideas instead of being more concerned about trying to play gotcha games. I notice that you only chime on the few occasions that the warmest guidance doesn’t verify. But are usually silent when warmth beats guidance.