. >> reporter: oakland resident carl rose says that because he lived it. in 1991 he looked out his window and saw this, the oakland hills on fire, a product of a small grassfire. >> it just makethe dry conditions and wind plus potential sparks by illegal fireworks are keeping firefighters on high alert this weekend. >> the fire danger is very, very high right now. fuel moisture is very, very low along with higher temperatures and the drought all combine to make this a very high concern for us. >> reporter: on july 4th this intersection near grizzly peak will close for 24 hours. also 20 additional firefighters will be deployed throughout the city to respond to potential fires. >> the oakland fire department will be in all of the hill areas along with in areas along the 580 corridor, highway 13 corridor and lake merritt and then also along international boulevard. >> reporter: all this pointing to a bigger issue, illegal fireworks are a growing problem in the bay area. ahead of the weekend hayward and oakland police officers confiscated 900 pounds of illegal

. >> reporter: oakland resident carl rose says that because he lived it.n 1991 he looked out his window and saw this, the oakland hills on fire, a product of a small grassfire. >> it just makes you cringe a little bit. >> reporter: the dry conditions and wind plus potential sparks by illegal fireworks are keeping firefighters on high alert this weekend. >> the fire danger is very, very high right now. fuel moisture is very, very low along with higher temperatures and the drought all combine to make this a very high concern for us. >> reporter: on july 4th this intersection near grizzly peak will close for 24 hours. also 20 additional firefighters will be deployed throughout the city to respond to potential fires. >> the oakland fire department will be in all of the hill areas along with in areas along the 580 corridor, highway 13 corridor and lake merritt and then also along international boulevard. >> reporter: all this pointing to a bigger issue, illegal fireworks are a growing problem in the bay area. ahead of the weekend ywarpounds illegal fireworks co

. >> carl rose say that because he lived it. in 1991 he looked out his window and saw this. the oakland hims on fire. a product of a small grass fire. >> just makes you cringe. >> the dry conditions and wind and po firefighters on high alert this weekend. >> the fire danger is very, very high right now. fuel moisture being very low along with higher temperatures and the drought all combine to make this a very high concern for us. >> on july 4th visitor section will close for 24 hours. >> oakland fire department will be in all of the hill areas along with in areas along the 580 corridor, highway 13 corridor, lake merit and also along the international boulevard. >> all this pointing to a bigger issue. seized 900 pounds of illegal fireworks combined. in richmond the mayor is offering a reward of $2,500 to whoever tips off the city on who is shooting illegal fireworks. >> fireworks used to start up about the 1st of july and by the 4th they were over. now they go on year round and they get bigger. >> he hopes money will encourage people to forward and prevent potential fires. >>

. >> oakland resident carl rose said that because he lived it. in 1991 he saw this. the oakland hims on fire. a product of a small grass fire. >> just makes you cringe. >> the dry conditions and wind and potential sparks by illegal fireworks are keeping firefighters on high alert this weekend. >> fire danger is very, very high right now. fuel moisture is very low along with higher temperatures and the drought all combined to make this a very high concern. >> on july 4th this speaker section will close for 24 hours. also 20 additional firefighters will deploy throughout the city to respond to the fires. >> oakland fire department in all of the hill areas along with in the areas along the 580 corridor. highway 13 corridor. lake merit and also along the international boulevard. >> all this pointing to a bigger issue. illegal fireworks are a growing problem in the bay area. ahead of the weekend, heyward and oakland police officers, took 900 pounds of illegal fireworks combined. in richmond, they are offering a reward of $2,500 to whoever tips off the city on who is who s