Tropical Storm Alberto hovers off SC coast STLtoday.com AP | Posted: Sunday, May 20, 2012 4:09 pm | ( Loading… ) comments. This NOAA satellite image taken Saturday, May 19, 2012, shows tropical storm Alberto 140 miles (225 km) east of Charleston, SC Alberto is the first tropical storm of the season and ... Tropical Storm watch lifted for S. Carolina coastCBS News