On April 26, the Thai Meteorological Department predicted that two tropical storms would affect Thailand during 2011, with one affecting Upper Thailand during August or September, while one was expected to move through Southern Thailand during October or November.
On April 26, the Thai Meteorological Department predicted that 2 tropical storms would affect Thailand during 2011. They predicted that 1 would move through Vietnam and affect Upper Thailand, during August or September, while the other one was expected to move through Southern Thailand during October or November.