CHARLESTON, SC (WCSC) - The tornado watch in effect for the last Lowcountry county expired at 11 p.m. Sunday.
Earlier in the day, most of South Carolina was under a tornado watch at some point. A tornado watch for the Tri-County area -- Charleston, Berkeley and Dorchester Counties -- was originally set to expire at 7 p.m. but was extended until 9 p.m. The National Weather Service canceled that watch shortly before 8 p.m., leaving Williamsburg County as the last holdout for the possibility of severe weather.
A tornado watch means weather conditions make tornadoes possible in those counties.
The worst of the severe weather was set to arrive between late afternoon and 10 p.m., but Live 5 Meteorologist Stephanie Sine said the worst of the storms stayed to the northwest of the Lowcountry.
The National Weather Service will investigate Monday whether a tornado touched down in the Midlands.
?Reports of a few downed trees and damage to one building on James Island came in earlier in the evening.
On Sunday morning, the Storm Prediction Center elevated the threat to "enhanced" for most of South Carolina, which means the threat of numerous widespread severe storms are possible as a strong cold front moves in.
But Sine said dry air helped weaken the storm's squall line before it reached the Lowcountry, and by the time the storms began to re-intensify, they weren't able to muster the rotation needed to create tornadoes.
The storm was blamed for damage across the state ranging from fallen trees and power lines to flooded roads.
As of 11 p.m., less than 2,000 electric customers were still without power, down from more than 4,500 earlier in the evening.
SCE&G reported 506 customers without power in Charleston County and 199 in Dorchester County.
Berkeley County Electric Coop reported 551 customers without power in Charleston County and 57 in Berkeley County.
Santee Electric Coop reported 367 customers without power in Georgetown County and 223 without power in Williamsburg County.
The Live 5 First Alert Weather team declared Sunday a First Alert Weather Day because of the possibility of severe weather. First Alert Weather Days are designed to give you an early notification about the possibility of severe weather in your area.