Karen is forecast to lash the northern Gulf Coast over the weekend as a weak hurricane or tropical storm.

Everything you need to know about Tropical Storm Karen

Karen is forecast to lash the northern Gulf Coast over the weekend as a weak hurricane or tropical storm.Tropical Storm Karen is shown in an NOAA image late Thursday night. (NOAA/AP)From a tiny, vulnerable island off the Louisiana coast to the beaches of the Florida Panhandle, Gulf Coast residents prepared for a possible hit from the storm.Where it might hitDowntown Miami is engulfed in storm clouds as Tropical Storm Karen heads toward it on Thursday. (Shannon Kaestle/The Miami Herald/AP)A hurricane ...

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