BOISE -- Five American Red Cross volunteers from Idaho have been deployed to Louisiana in the wake of massive flooding that has displaced tens of thousands from their homes.

At least 13 people have been killed since the flooding began last week.

The Red Cross has deployed an army of recruits from all 50 states, the District of Columbia and Puerto Rico. By Friday, more than 1,000 workers will be on the ground in Louisiana helping with relief efforts.

Diana Ochsner from Jerome flew to Baton Rouge on Wednesday.

"We were able to see the areas that have been just inundated with this water and it was just absolutely surreal and incredible," Ochsner said.

She has since been transferred to Lafayette to help organize a warehouse full of supplies for flood victims.

Thursday, a semi truck arrived filled with cots, blankets, water and hygiene kits that will soon be loaded into disaster response vehicles and taken to people who need them.

"So we know that the citizens in these communities that are inundated with water have the necessities they need to actually survive until this water recedes," Ochsner said.

She's been a volunteer with the Red Cross since 2012. Officials say the flooding in Louisiana is the worst U.S. disaster since Hurricane Sandy, which hit when Ochsner was in training.

Shelters across Louisiana have been heavily used since the flooding began.

An estimated 30,000 people have been displaced by the flood waters and more than 40,000 homes have been damaged or destroyed.

"In one night we had 10,000 people staying in one of our Red Cross shelters," said Chief Development Officer Chris Davis, based in Boise.

More volunteers from Idaho could be sent to Louisiana to help in the coming weeks as the need for assistance continues.

Ochsner will be in Louisiana for the next few weeks working with the Red Cross to help victims and their families move forward.

She says the rain is still falling and because of the high water in many places, cleanup efforts can't begin.

Red Cross officials estimate relief response will cost at least $30 million. They say donations are much needed right now.

"Those dollars translate directly into people being fed, having a place to stay and beginning this long road to recovery," Davis added.

To donate to the Red Cross, click here or call 1-800-853-2570.

If you'd like to learn more about becoming a Red Cross Volunteer, visit redcross.org.