Tropical Storm Oscar has been upgraded to a hurricane just hours after forming near Turks and Caicos Islands Saturday morning, according to the National Hurricane Center. >> Video above: Lastest on the tropicsSign up for our NewslettersHurricane warnings are now in effect for the Turks and Caicos Islands and the Southeast Bahamas.

Hurricane Oscar formed Saturday off the coast of the Bahamas and brushed past the Turks and Caicos islands to the south during the night. The National Hurricane Center in Miami characterized the storm as “tiny,

Tropical Storm Oscar formed on Saturday, the 15th named storm of this year’s Atlantic hurricane season and the second in less than a day. It’s expected to bring heavy rain to the Caribbean islands this weekend, including Cuba, which has been facing a nationwide electricity crisis.