Keep the scarves, mittens and sweaters handy.  A Wind Chill Advisory is in effect for the No Coast Network listening area until noon Friday (2/12).  And another Wind Chill Advisory will take effect at midnight until noon Saturday (2/13) for the listening area.  The National Weather Service says we can expect wind chills as cold as -30 Friday morning and Saturday.  In those conditions, you could get frostbite on exposed skin in as little as ten minutes.