![Image](http://oi47.tinypic.com/14kjy2v.jpg)
at first I thought it was a misprint or perhaps a glitch until I did some further research.
oh, this event was as real and surreal as it could possibly get.
On January 19, 1994, Pittsburgh Pennsylvania set a record low temperature of -22F, minutes after sunrise.
map below shows a widespread area of the bitter cold air.
![Image](http://vortex.accuweather.com/adc2004/pub/includes/columns/community/2009/page113a2.jpg)
In an prominently curiosity (well to me)
How the hell did something like this happen?
Will it ever happen again?
Was it a Greenland block?
or the position of the earth axis?
fill me in with your wonderful, intriguing knowledge fellow meteorologist or future ones!