'Overachieving' tropical storm Katia is exepected to continue weakening

Tropical Storm Katia in the Eastern Atlantic is expected to weaken on Sunday, according to forecasters. While its direction is uncertain, it is not expected to pose a threat to land. The storm is currently located about 855 miles north-northwest of the Cabo Verde Islands. The National Hurricane Center described the storm's forecast as difficult to determine, with one model showing a "squashed spider pattern."