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Saturday, September 19, 2020
2020/21 WINTER SEASON
Labels:
2020/21,
NAO,
New England,
Solar Minimum,
Winter Season
Thursday, January 9, 2020
2019/20 WINTER SEASON: DELAYED BUT NOT DENIED!
On November 30, 2019; I posted about the upcoming 2019/20 Winter Season; and while the anticipated pull back or mild spell is more prolonged than what I was originally thinking, I did close my post on November 30th stating: *** These highly amplified November patterns historically feature a pull back during much of December, before completely becoming established around Christmas or early January. *** As of January 9, 2020 temperatures across the Northeast / New England have been averaging above to well above normal, especially since the beginning of-the-month. But MUCH unlike the recent mild absent winters of 2001/02, 2011/12, & 2015/16; the Sun is completely reverse, NOT highly active in-terms of sunspot activity on the solar disk as was 2001/02 & 2011/12, and there is NO strong El Nino influencing Pacific basin-wide Sea Surface Temperatures (SST's) as was 2015/16. Both stated factors played a significant role in the complete absence of winter during the above stated years. However, the 2019/20 Winter Season is definitely delayed but NOT denied. The reason for the extended mild spell since mid-to-late December; is due to a strongly consolidated Polar Vortex (PV) over high northern latitudes of the Northern Hemisphere. The strong Polar Vortex (PV) keeps bonafide arctic air up over northern Canada / Alaska; where the core of winter has been truly experienced. As-a-result, mid-latitudes experience an enhanced west-to-east flow of the jet-stream with a mild Pacific influenced air mass and transient or short-lived shots of cold. Many winter seasons experienced this pattern building-up to a complete longwave weather pattern change that resulted in a highly memorable second half-of-winter. The winters that are very similar to this year in-respect to the Sun & overall longwave global weather pattern (MUCH unlike the complete absent winters stated above) are 2002/03, 2006/07, 2009/10, & 2014/15 - ALL noted winters experienced above to well above normal temperatures during mid-to-late December through early January before a complete longwave pattern CHANGE; that brought winter in with-a-punch in late January, but especially February & March!
Forecaster: Daniel Viens, establishing author of New England NAO.
Labels:
2019/20,
New England,
newenglandnao,
Winter Season
Saturday, November 30, 2019
WINTER SEASON 2019/20: DEAD OF SOLAR MINIMUM
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The sun is blank--no sunspots. Credit: SDO/HMI
Sunspot number: 0
What is the sunspot number? Updated 30 Nov 2019 Spotless Days Current Stretch: 17 days 2019 total: 253 days (76%) 2018 total: 221 days (61%) 2017 total: 104 days (28%) 2016 total: 32 days (9%) 2015 total: 0 days (0%) 2014 total: 1 day (<1 br="">2013 total: 0 days (0%) 2012 total: 0 days (0%) 2011 total: 2 days (<1 br="">2010 total: 51 days (14%) 2009 total: 260 days (71%) 2008 total: 268 days (73%) 2007 total: 152 days (42%) 2006 total: 70 days (19%)1>1> Updated 30 Nov 2019 |
It's very important to NOTE that the Sun will be at-the-dead of a solar minimum for the 2019/20 Winter Season and exiting-the-dead of a solar minimum during the 2020/21 Winter Season! Much unlike my terrible inaccuracy during the 2015/16 Winter Season; the strongest signal for a moderate to strong potential of an old fashion winter in New England, following the 9-11 year sunspot 'Schwabe' cycle, is this upcoming winter season and 2020/21. The blank Sun or complete absence of sunspots is directly related to a highly amplified jet-stream / longwave weather pattern over Mid-Latitudes of the Northern Hemisphere due to strong atmospheric High Latitude Blocking. However, it's also very important to note what side of the highly amplified jet-stream you'll be on, and Sea Surface Temperatures (SST's) are critical to determining this factor. The Great Lakes Region & Northeast / New England are strongly favored to experience the extreme wintery side of this highly amplified longwave weather pattern due to above to well above normal SST's in the Gulf of Alaska & below to well below normal SST's off the west coast of South America. *** These highly amplified November patterns historically feature a pull back during much of December, before completely becoming established around Christmas or early January. The 2015/16 Winter Season was a terrible inaccuracy for me personally, since the establishment of my website. What happened is that the winter season (2015/16) was entering a solar minimum BUT NOT yet truly there until 2016; concerning spotless days on the solar disk, making for a much weaker signal following the sunspot cycle, especially considering there were 0 spotless days (on the solar disk) in 2015. As-a-result; the strong El Nino that developed was the driving force that particular season. ***
Labels:
2019/20,
Dead of,
New England,
newenglandnao,
Schwabe Cycle,
Solar Minimum,
Sunspots,
Winter Season
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