Tropical storm hits Mexico coast, weakens

This NOAA satellite image taken Friday, August 17, 2012 at 10:45 AM EDT shows clouds associated with the remnants of Tropical Depression Seven linger over the southern Gulf of Mexico. Showers and thunderstorms associated with this system have become more organized and atmospheric conditions are more favorable for development. This system has a high, 80% chance of tropical cyclone development over the weekend. (AP PHOTO/WEATHER UNDERGROUND)Former Tropical Storm Helene headed inland on Mexico's Gulf Coast early Saturday after making landfall and quickly losing strength, falling to a tropical depression.