From NOAA Jax ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR EASTERN NASSAU AND NORTHEASTERN DUVAL COUNTIES... AT 455 PM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM WITH STRONG ROTATION. THIS TORNADO WAS LOCATED NEAR TALBOT ISLAND...MOVING NORTH AT 40 MPH. June 6, 2013 5:04 p.m.