Storm chaser Bob Ulchak, a resident of Quincy, Mass., The Patriot Ledger's hometown, is chasing tornadoes from May 15-27. We'll be posting videos, stories and photos, so check out our tornado section daily.

Storm chaser Bob Ulchak, a resident of Quincy, Mass., The Patriot Ledger's hometown, is chasing tornadoes from May 15-27. We'll be posting videos, stories and photos, so check out our tornado section daily.