Flood threat rising in the Midwest

Across the storm zone, the flood threat is growing tonight. Rivers are rising and threatening to wash out more homes. NBC News’ Maggie Vespa reports from outside Indianapolis tonight.

Kerry Marshall/Getty Images The latest update of nationwide flood maps, to be released next year, will give communities across New Zealand the clearest picture yet of the regional risk of flooding. But as it stands, this state-of-the-art tool leaves out a critical piece of the puzzle: the water table in shallow coasta