Chris Posted October 11 Report Share Posted October 11 Here's an article previously posted by Geos on SSW's and how they can bail out a snowless winter in the PNW lowlands, even in an El Nino. Some of the classic PNW winters were started by an SSW. https://www.severe-weather.eu/global-weather/early-stratospheric-warming-polar-vortex-forecast-cold-season-fa/ 1 Quote Link to comment Share on other sites More sharing options...
Cloud Posted October 12 Report Share Posted October 12 Some additional resources. Judah Cohen Blog from Oct 11. https://www.aer.com/science-research/climate-weather/arctic-oscillation/ And series of tweets from Simon Lee. Some interesting analogs. Quote Link to comment Share on other sites More sharing options...
snow_wizard Posted October 20 Report Share Posted October 20 On 10/11/2021 at 3:42 PM, Chris said: Here's an article previously posted by Geos on SSW's and how they can bail out a snowless winter in the PNW lowlands, even in an El Nino. Some of the classic PNW winters were started by an SSW. https://www.severe-weather.eu/global-weather/early-stratospheric-warming-polar-vortex-forecast-cold-season-fa/ That graphic showing the evolution of the SSW last winter is pretty amazing. Quote Death To Warm Anomalies! Winter 2021-22 stats Total Snowfall = 0.0" Day with 1" or more snow depth = 0 Total Hail = 0.0" Coldest Low = 29 Lows 32 or below = 7 Highs 32 or below = 0 Lows 20 or below = 0 Highs 40 or below = 0 Link to comment Share on other sites More sharing options...
Chris Posted November 5 Author Report Share Posted November 5 No SSW on the horizon. Quote Link to comment Share on other sites More sharing options...
Phil Posted November 5 Report Share Posted November 5 1 hour ago, Chris said: No SSW on the horizon. Not yet! I’m starting to become interested in the period around the Holidays. But still many ways that could fail. Quote Personal Weather Station: NOAA: https://www.wrh.noaa.gov/mesowest/timeseries.php?sid=F3819&num=168&banner=NONE Wunderground: https://www.wunderground.com/dashboard/pws/KMDBETHE62/graph/2019-08-23/2019-08-23/daily Link to comment Share on other sites More sharing options...
Chris Posted Wednesday at 04:14 PM Author Report Share Posted Wednesday at 04:14 PM The vortex is on roids until mid December at least, says GFS. 1 Quote Link to comment Share on other sites More sharing options...
Phil Posted Friday at 07:59 PM Report Share Posted Friday at 07:59 PM Yup. If it happens it’ll be mid-January at earliest, IMO. 1 Quote Personal Weather Station: NOAA: https://www.wrh.noaa.gov/mesowest/timeseries.php?sid=F3819&num=168&banner=NONE Wunderground: https://www.wunderground.com/dashboard/pws/KMDBETHE62/graph/2019-08-23/2019-08-23/daily Link to comment Share on other sites More sharing options...
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