A lacy, cloud-like pattern drifting across a Denver-area radar screen turned out to be a 70-mile-wide (110-kilometer) wave of butterflies, forecasters say.
Β Newly formed Tropical Storm Nate was blamed Thursday for at least 22 deaths across Central America as it dumped rain across the region on a path that would carry it toward a potential landfall on the U.S. Gulf Coast as a hurricane over the weekend. Louisiana officials ordered some people there to evacuate.
A delicate effort to reach a young girl buried in the ruins of her school stretched into a new day on Thursday, a vigil broadcast across the nation as rescue workers struggled in rain and darkness to pick away unstable debris and reach her.