Jan 14, 2011. /Lesprom Network/. Ahlstrom's Louveira plant in Brazil was hit by a thunderstorm and flooded. Production at the site has been stopped. There were no injuries to Ahlstrom staff or other people at the site, as the company said in a press release received by Lesprom Network. The Louveira plant is located approximately 100 kilometers from Sao Paolo in southeastern Brazil and is part of Ahlstrom's Filtration Business Area. It produces transportation filtration material. Ahlstrom is currently investigating the magnitude of the damage and has started the clean-up process. Ahlstrom is a global leader in the development, manufacture and marketing of high performance nonwovens and specialty papers.