On Saturday, weather experts warned Upstate New York about the chance of a tornado. The National Weather Service has confirmed that a tornado touched down several times in Upstate New York on Saturday. It was worse in Delaware County. The village of Hancock declared a State of Emergency over the weekend due to blocked roads and widespread power outages caused by the storm. Tornadoes In New York: These Counties See The Most Twisters10 Costliest Tornadoes in US History