facts of life cast has reunited for the first time ever. why now? good evening. i m cynthia mcfadden. we begin tonight with deadly weather. the national weather service has issued a tornado watch tonight for five south eastern states as a giant storm system moves up the appalachians. this as more than two dozen tornadoes were reported across iowa over the weekend. pictures from the damage of the storms are amazing. what is more amazing, not a single person was killed. here is yungi de nies to explain why. this is going to be twisting tornado. reporter: they are dark twisting tornadoes in the sky. big tornado, folks. reporter: barreling down with little warning. with cell phones and flip cams rolling, the tiny town of mapletown, iowa, was clearly no match for this tornado. under clear skies, the reality is painful. it s a war zone. it looks like a war zone. reporter: 60% of this town was damaged or destroyed. this is mapleton before the tornado. this is mapleto