Winter weather advisories have been posted from arkansas to new york city. States of emergency have been declared in maryland, virginia, pennsylvania, north carolina, tennessee, and washington, d. C. , where the federal government says its offices will close at noon today. Yesterday d. C. s mayor apologized for being unprepared for that one inch of snow that crippled the city. And says the district is prepared for whats to come. Were preparing for a blizzard. You know ive lived in d. C. Most of my life. And i dont know that i have lived through a forecast like this. Its an extremely large storm. Were working very hard not only to be responsive to the predictions, but also be nimble enough to respond to any changes. So lets get to the predictions and bring in nbc meteorologist bill karins. Bill, whats the time line here . Its begun. We already picked up five inches in little rock, arkansas. Horrible driving conditions between little rock and memphis this morning and now the worst of the