Please follow http://www.crh.noaa.gov/images/grr/presentations/Extreme_Cold_Safety_Tips_and_Updated_Wind_Chill_Info_2014-01-06_16-41-39.pdf.

Please follow http://www.crh.noaa.gov/images/grr/presentations/Extreme_Cold_Safety_Tips_and_Updated_Wind_Chill_Info_2014-01-06_16-41-39.pdf.