Saturday, December 12, 2020

Potential Snow Maps for Monday and Wednesday Afternoon into Thursday Morning...


All of the maps posted below are courtesy WeatherBell Analytics unless otherwise noted. Click on all images to enlarge.


Below are the snowfall maps for Monday, lower are the snowfall maps for Wednesday afternoon into Thursday morning...


Below is the latest European ensemble mean  (an average of the European model run 50 different ways for various conditions) snowfall map for Monday.




Below is the latest operational run of the European model for Monday.



Below is the latest British model for Monday.



Below is the latest short-range American model for Monday.



Below is the latest run of the short range Canadian model for Monday.



Below is the latest run of the medium range American model for Monday.



And below are the snowfall maps for Wednesday afternoon into Thursday morning...


Below is the latest European model ensemble mean for Wednesday afternoon into Thursday morning (an average of the European model run 50 different ways for various conditions), using the standard 10:1 ratio.



Below is the latest operational run of the European model for Wednesday afternoon into Thursday morning using the standard 10:1 ratio.




Below is the latest operational run of the European model for Wednesday afternoon into Thursday morning using the Kuchera snowfall ratio which takes into account the different projected temperature profiles of the atmosphere, the intensity of the precipitation, and other factors. This algorithm sometimes works very well, but not always. 



Below is the latest British model for Wednesday afternoon into Thursday morning, using the standard 10:1 ratio. Image courtesy Weathermodels.com



Below is the latest Medium Range American model for Wednesday afternoon into Thursday morning using the standard 10:1 ratio.





Below is the latest Canadian model for Wednesday afternoon into Thursday morning, using the standard 10:1 ratio..




Below is the latest Canadian model for Wednesday afternoon into Thursday morning, using the Kuchera ratio..




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