The fire danger in Duval, Nassau and Clay counties is very high because of the recent dry conditions, forestry officials said.

The Florida Forest Service tracks a drought index in which higher numbers mean drier weather. The normal range for northeast Florida this time of year is between 221 and 390.

The driest county in the area is Clay County, with an index of 479. Putnam County is nearly as dry at 476. Baker County is at 460, and Duval County is at 449.

The dry conditions have left dead grasses throughout those counties, which can easily ignite and then spread rapidly, officials said. They said that with the conditions, it doesn't take much to spark a fire.

There are currently 10 active wildfires burning in the area. So far, they've scorched more than 1,200.

Emergency management officials are asking those who live in those at-risk counties to be extra cautious when grilling, smoking or lighting a fire.