We have our Severe Weather Team 2 meteorologists using the most advanced weather technology to track the snow mix as it moves through north Georgia on Channel 2 Action News.

HOUR-BY-HOUR UPDATES: 

7 a.m.: DeKalb County opened three warming shelters at 7 a.m. Tuesday. People can go to fire station 3 on North Clarendon Avenue in Avondale Estates, fire station 6 on Flat Shoals Road and fire station 15 on Flightway Drive in Chamblee. The centers will remain open through noon Friday.

6:40 a.m.: City of Milton says it will open at 8:30 a.m. Tuesday after reassessing weather conditions.

6 a.m.: Atlanta opened two emergency warming centers to get people out of the cold. The old Adamsville Recreation Center and Central Park Recreation Center are open to the public.

3 a.m.: Henry County Schools is dismissing students 2 hours early. Barrow County Schools remain open as of now.

11:15 p.m.: Gordon County Schools will be closed on Tuesday.

11 p.m.: White County Schools will be closed on Tuesday.

10:15 p.m.: Hapeville police say City of Hapeville offices, including the Municipal Court, will be closed Tuesday.

10:10 p.m.: Woodstock police say City Hall Administrative Offices will be closed Tuesday.

7:50 p.m.: Spelman College closes for Tuesday.

6:26 p.m.: City of Kennesaw closed Tuesday.

6:25 p.m.: Delta cancels 170 flights in and out of Atlanta on Tuesday.

6:06 p.m.: City of Clarkston offices will be closed Tuesday.

6:04 p.m.: City of Atlanta opening warming centers Tuesday:

6:02 p.m.: Sandy Springs city administrative offices and municipal court will be closed Tuesday.

5:56 p.m.: Gordon County Schools will be closed on Tuesday.

5:51 p.m.: Hall County Schools will be closed on Tuesday.

5:47 p.m.: Cartersville City Schools will be closed on Tuesday.

5:34 p.m.: DeKalb County is opening three warming centers tomorrow.

5:31 p.m.: DeKalb County government offices, senior centers, libraries and recreation centers will be closed Tuesday.

5:29 p.m.: Rabun County Schools are closed for Tuesday.

5:28 p.m.: Gwinnett County Public Schools closed Tuesday.

5:17 p.m.: Morehouse College will be closed on Tuesday

5:15 p.m.: Dawson County Schools will be closed Tuesday.

5:13 p.m.: Forsyth County Schools will be holding online learning day Tuesday:

5:04 p.m.: City of Chamblee offices will be closed Tuesday.

5:02 p.m.: All county and city government offices in Fannin County will be closed Tuesday.

4:52 p.m.: Floyd County Schools announce digital learning for Tuesday.

4:49 p.m.: Clayton State College will be closed on Tuesday.

4:44 p.m.: Zoo Atlanta will be closed on Tuesday.

4:43 p.m.: Paulding County Board of Commissioner's government facilities and courthouse will be closed on Tuesday.

4:35 p.m.: City of Dalton offices all closed on Tuesday.

4:29 p.m.: Dunwoody City Court and City Hall are closed Tuesday.

3:44 p.m.: Douglas County Courthouse and county offices are closed Tuesday.

1:57 p.m.: Reinhardt University will be closed on Tuesday.

1:55 p.m.: Bartow County schools will be closed on Tuesday.

1:50 p.m.: New warnings and advisories have been issued for dozens of counties in north Georgia from 3 a.m. to 7 p.m. on Tuesday.

A Winter Storm Warning has been issued for Dade, Walker, Catoosa, Whitfield, Murray, Fannin, Gilmer, Union, Towns, Chattooga, Gordon, Pickens, Dawson, Lumpkin, White and Floyd counties.

A Winter Weather Advisory has been issued for Bartow, Cherokee, Forsyth, Hall, Polk, Paulding, Cobb, North Fulton, Gwinnett, Haralson, Carroll, Douglas, South Fulton, DeKalb, Heard, Coweta, Fayette and Clayton counties.

1:43 p.m.: Gwinnett Tech has closed for Tuesday

1:41 p.m.: Georgia Gwinnett College will be closed on Tuesday

1:39 p.m.: Cherokee County Schools have closed for Tuesday

1:33 p.m.: Lumpkin County Schools will be closed Tuesday.

1:21 p.m.: All campuses of the University of North Georgia are closed Tuesday

1:17 p.m.: CobbLinc bus service will not operate Tuesday.

1:15 p.m.: Carroll County Schools are closed for Tuesday.

1:10 p.m.: City of South Fulton offices and facilities are closed for Tuesday. Essential employees are expected to report to work during normal and/or emergency business hours.

12:49 p.m.: Douglas County Schools have closed for Tuesday.

12:47 p.m.: Carrollton City Schools have closed for Tuesday.

12:20 p.m.: Randolph County, Alabama schools will be closed Tuesday.

12:19 p.m.: Paulding County schools will be closed Tuesday.

12:17 p.m.: Georgia State campuses will be closed Tuesday due to winter weather.

12:13 p.m.: Union County Schools will be closed Tuesday.

12:12 p.m.: Rome City Schools will be closed Tuesday.

12:11 p.m.: The I-75 South Metro Express Lanes will close in both directions at 11 a.m., and the Northwest Corridor Express Lanes will close in both directions at 11:30 a.m. on Tuesday, January 29, 2019, according to the Georgia Department of Transportation (GDOT).

12:10 p.m.: Floyd County schools will be closed Tuesday due to winter weather.

12:05 p.m. Cobb County schools will be closed Tuesday.

11:56 a.m.: Cobb County government buildings will be closed Tuesday.

11:46 a.m.: Marietta City Schools will close Tuesday due to the winter weather.

11:33 a.m.: Gilmer County schools will close Tuesday due to the winter weather.

11:32 a.m.: DeKalb County schools will close Tuesday due to the winter weather.

11:31 a.m.: Atlanta City Hall will be closed due to the winter weather.

11:04 a.m.: Fulton County schools will close on Tuesday due to the winter weather.

10:56 a.m.: Clayton County schools will close on Tuesday due to the winter weather.

10:39 a.m.: Atlanta Public Schools will close Tuesday ahead of the winter weather.

10:02 a.m.: Governor Brian Kemp held a news conference about the winter weather.