Freezing fog, some dense developed over much of the Tennessee Valley. Visibility was reduced to 1/4 mile or less in many locations. Hoar frost developed in some of these locations, including some road surfaces. In addition, black ice also developed due to moisture from the previous day's rainfall refreezing.

Freezing Fog in MADISON, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in JACKSON, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in MARSHALL, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in MORGAN, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in DEKALB, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in CULLMAN, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in LAWRENCE, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in FRANKLIN, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in COLBERT, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in LIMESTONE, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.

Freezing Fog in LAUDERDALE, ALABAMA
From 11-DEC-18 03:00:00 to 11-DEC-18 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Freezing fog was observed reducing visibility to less than 3/4 miles with temperatures in the middle to upper 20s.