With a cold front positioned offshore, upper-level forcing helped produce light precipitation across southeast South Carolina in the early morning hours. The low-level airmass was cold and below freezing with warm air observed aloft, leading to reports mixed wintry precipitation. Though most of the precipitation fell as freezing rain or freezing drizzle, some sleet and snow did occur as well.

Winter Weather in HAMPTON, SOUTH CAROLINA
From 21-JAN-22 23:30:00 to 22-JAN-22 04:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Broadcast Media

Light freezing rain occurred across portions of Hampton County. Local broadcast media reported a glaze of ice covering windshields and hoods of cars in the Estill area. Also, a CoCoRaHS observer in Hampton reported up to 0.04 of ice accumulation on the surface of a vehicle.

Winter Weather in JASPER, SOUTH CAROLINA
From 22-JAN-22 00:00:00 to 22-JAN-22 04:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Social Media

Light freezing rain occurred across portions of inland Jasper County. Pictures of a glaze of ice on elevated surface and on tree limbs around the town of Grays were shared via social media.

Winter Weather in DORCHESTER, SOUTH CAROLINA
From 21-JAN-22 19:00:00 to 22-JAN-22 05:00:00 (EST-5)
Crop damage: 0.00K
Reported by: Public

Numerous reports of freezing rain and light ice accumulations were received across Dorchester County. The highest measured ice accumulations were 0.06 near Harleyville, and 0.10 around the Summerville area. No significant impacts were reported, though the Summerville Police Department closed Berlin G Myers Parkway from E 3rd N Street to Gahagan Road due to ice. Also, a mix of snow and sleet was reported at the Summerville Medical Center via the mPING program.

Winter Weather in INLAND BERKELEY, SOUTH CAROLINA
From 21-JAN-22 16:00:00 to 22-JAN-22 05:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Public

Numerous reports of freezing rain were received across Berkeley County. The highest ice accumulations include 0.10 near Huger, 0.15 near Goose Creek, 0.03 near Ladson, 0.10 near Moncks Corner, 0.19 near Jamestown, and 0.10 near Sangaree. A few roads were closed due to icy conditions including North Marin Street at the Interstate 26 overpass.

Winter Weather in CHARLESTON, SOUTH CAROLINA
From 21-JAN-22 17:00:00 to 22-JAN-22 05:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Public

Numerous reports of light freezing rain all across Charleston County were received. The highest ice accumulations received included 0.12 near Mount Pleasant, 0.04 in the Shadowmoss subdivision in West Ashley,  and 0.08 at the National Weather Service office in North Charleston. Several roads had to be closed due to icy conditions including the off ramp from Interstate 526 to Hungry Neck Boulevard, Rivers Avenue and Interstate 26, exit 218 off of Interstate 26, and the Highway 52 connector off of Interstate 26. Also, the Ravenel Bridge between Mount Pleasant and Downtown Charleston was closed in the afternoon due to falling ice from the suspension cables. While most of the wintry precipitation reports were of freezing rain, a few locations did report snow and sleet without any accumulation.

Winter Weather in ALLENDALE, SOUTH CAROLINA
From 22-JAN-22 00:00:00 to 22-JAN-22 04:00:00 (EST-5)
Crop damage: 0.00K
Reported by: 911 Call Center

Light freezing rain occurred across portions of Allendale County. The county dispatch center reported light icing in trees and on some raised surface at the 911 center in Allendale. Also, South Carolina Highway Patrol reported icy conditions on the roadway at Highway 278 and McMillan Memorial Road.

Winter Weather in NORTHERN COLLETON, SOUTH CAROLINA
From 21-JAN-22 22:00:00 to 22-JAN-22 04:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Public

Several reports of light freezing rain were received across portions of Colleton County through the mPING program including around Canadys, Green Pond, and Walterboro. Also, a report of snow mixed with freezing rain with no accumulation was received around Walterboro.

Winter Weather in TIDAL BERKELEY, SOUTH CAROLINA
From 21-JAN-22 17:00:00 to 22-JAN-22 05:30:00 (EST-5)
Crop damage: 0.00K
Reported by: Social Media

A report of 0.03 of ice accumulation on Daniel Island was relayed via social media. The freezing rain was mixing with sleet at times.