After ABC canceled the show, The CW Network considered picking up the show but then passed when they found out the production costs.
The couple that abducts Dave shows him newspaper cut-outs about what happened when a hurricane hit Brazil, Cuba and Argentina. In fact, the newspaper articles are written in Dutch, and tell about a musical band, and about computers and anti virus software.
Since storm names are determined alphabetically, Hurricane Eve would've been the fifth named storm of the year, and Hurricane Miranda would've been the eighth named storm after that. Thus Invasion was set during a relatively busy storm season, given that Miranda appeared to have occurred early in the school year and storm season lasts until the end of November.