NEWSIsaias storm update: The hurricane-to-be may take a big swipe at South FloridaPalm Beach PostA man loads cases of water into the back of his pickup truck ahead of Tropical Storm Isaias, at Costco Thursday in Lantana.JOSEPH FORZANO/palmbeachpost.comA man tightens ground straps on an airplane at Palm Beach County Park Airport Thursday in unincorporated Palm Beach County. Forecasters are indicating there may be tropical storm force winds in the county beginning early Saturday morning from Tropical Storm Isaias.THOMAS CORDY/palmbeachpost.comPalm Beach PostPalm Beach PostPalm Beach PostPalm Beach Post