As emergency managers prepare for hurricane and wildfire seasons, they say growing development and higher population in vulnerable areas will likely amplify the damage and devastation. Meteorologists expect more than a dozen named storms in the Atlantic this year, slightly above average. In California, a burst of vegetation from rains could serve as fuel in the dry summer months and heighten the wildfire danger in some areas, forecasters say. Meanwhile, flooding on the Missouri and Mississippi rivers held true to a March forecast,…