Jamaica braces for Cat 5 Hurricane Melissa landfall

People in Jamaica are bracing for Hurricane Melissa as the category five hurricane touches down on the island. Life-threatening flooding has already been forecast for the area multiple people were killed already after the storm brough heavy rain to the Dominican Republic and Haiti. Officials say people need to be ready to stay in place for days while rescue crews get to them.

How new research led to North Dakota tornado's EF5 upgrade

A powerful tornado struck Enderlin, North Dakota, on June 20, causing significant damage and leading to a rare EF5 classification after new research. Here's what went into the new research that led to the upgraded classification.