Monday, December 14, 2020

Potential Snow Maps for Today 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 Today, 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 today.



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



Below is the latest British model for today.




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





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




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



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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