DOVER — Officials announced that gates will no longer open at 3 p.m. for Firefly Music Festival as flood advisories are issued for the area. 

"Camping tollbooths, including RV and infield glamping, will [remain] closed at this time," officials said in a notification to app users. "Please continue to seek shelter at a permanent structure such as a local business, Dover Mall, or Dover Downs Hotel & Casino. Again we will be sending updates as we have them."

The advisory is in affect until 2:30 p.m.  At 11:33 a.m.,  Doppler radar indicated heavy rain due to thunderstorms, said officials at the National Weather Service in Mount Holly, New Jersey.

Minor flooding is expected to begin shortly in the advisory area as the heavy rain moves into the area.

Rainfall rates of 1 to 2 inches in an hour or two are occuring with these storms.

Some locations that may experience flooding include Wilmington, Dover, Newark, Bridgeton, Middletown. 

This includes the following highways: New Jersey Turnpike between exits 1 and 2,  Pennsylvania Turnpike between mile markers 296 and 333,   I-95 in Delaware between mile markers 0 and 23.

Throughout New Castle County, a flash flood warning will remain in effect through late Thursday evening.

Showers and thunderstorms will develop ahead of and with the passage of a cold front this afternoon and evening. Rain will be heavy at times, NWS said. Widespread rainfall totals will range from 1.5 to
3 inches with locally higher amounts possible.

Flash flooding of creeks, streams, urban areas, and poor drainage areas is possible in the areas of heaviest rain.

Earlier in the morning, a severe thunderstorm warning was issued for northeastern New Castle County.