The National Weather Service has upgraded the severe thunderstorm watch set to expire at 5 p.m.
A severe thunderstorm warning has been issued for southern Nassau County until 2 p.m.
According to the National Weather Service, the doppler radar indicated a line of severe thunderstorms capable of producing damaging winds in excess of 60 mph. These storms were spotted at 1:14 p.m. along a line extending from Callahan.
The previously issued severe thunderstorm watch for northeastern Florida and southeastern Georgia remains in effect until 5 p.m.
