Chi-beria is a term coined by NWS meteorologist Ricky Castro (on his way to work) before the 1/6/2014 polar vortex outbreak. The City of Chicago and greater suburban areas reached AIR temperatures at around -15 degree Fahrenheit. Combined with even colder wind chills of down to -50 degrees Fahrenheit and about a foot of snow, social media controller for the NWS decided it would accurately depict the severity of the upcoming weather and cause people to take precaution. The word went viral via hastags (#) and became to be used as a term to describe Chicago during periods of extreme cold weather. Simple etymology consists of combining the names "Chicago" with "Siberia". It means conditions for the city will or currently rival conditions of Siberia, notorious for extreme cold and snow.
"Man it's cold today in Chicago"
"yeah, welcome to Chiberia dude"

"With temperatures staying below zero for over 48 hours, you wouldn't be able to tell if you're in Chicago or Siberia. Perhaps you're in Chiberia"

"Chicago experienced the biggest chill in nearly 20 years. We’re talking (feels like) tempeatures of -40 to -50 degrees. Keep warm, Chicago! #Chiberia"--fox chicago news
by chiraqimofoo January 26, 2014
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The weather in Chicago gets so cold, that it's climate can get cold like Siberia, since in Siberia it gets really hot in the summer and brutally cold in the winter.
Man, it's so cold today, It's Chiberia, not Chicago! Lake Michigan has completely frozen over!!!
by autistic nerd 1991 May 23, 2015
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