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Heavy Snow Events, 1979-2012


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I made an archive of heavy snow events using the images from CIPS/St Louis University. I picked out all of the 18" events that I could find in the archive. I filtered out the obvious localized 18" events in the NY snow belts, Michigan Upper Peninsula snow belt, and San Juan Mountains. I also filtered out any very localized 18" spots in mountainous regions. CIPS made these images with the daily snowfall information directly from the NWS Co-op reports and filtered it, summed it over 72 hours. The maps do not cover the West Coast.

 

http://www.greatlake...now_events.html

 

I have found that the winter of 1995-1996 was the most snowy in terms of the number of individual events that I found.

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Thanks for the encouragement.

 

I have added several storms in 1989 and 1990.  I added 3/6/89 for the storm total of 15" in Arkansas. I figure that counts as nearly Arkansas' greatest snow event. 4/29/89 is the latest storm in any April month I have in the archive. I have declared 1980-81 as "the year the atmosphere forgot how to make snow." 1990-91 also has very few events.

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I updated storms from 1985-86. I had completely forgotten about that year till yesterday. Nice storm on December 1, 1985-- there was a very negatively tilted trough in Minnesota and Wisconsin, made 18" snow amounts in MN, WI and the U.P.  I have dubbed the midwest snowstorm of October 29-November 3, 1991 as "The Perfect Snowstorm" as it occurred at the same time as "The Perfect Storm."

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I will get that 2010 storm added pretty soon. It takes a while to go through an entire year and make sure I got everything. I am also going to check 1999-2000 to see if there are more 18" storms in that year.  I have found one 18" storm in the month of September. See my entry for September 30, 1985 (snow actually occurred on the 27th or 28th) in Nebraska.

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