DES MOINES— FEMA disaster assistance is available for self-employed survivors, including farmers, ranch hands, artists, musicians and mechanics, affected by the flooding, severe storms and tornadoes in 27 Iowa counties.Self-employed survivors in Adair, Adams, Buena Vista, Cedar, Cherokee, Clarke, Clay, Dickinson, Emmet, Harrison, Humboldt, Jasper, Lyon, Mills, Montgomery, O’Brien, Osceola, Palo Alto, Plymouth, Polk, Pottawattamie,…