The National Weather Service is forecasting Tropical Storm Issac will hit the New Orleans area as a Category 1 hurricane exactly seven years to the day after Katrina. [The Times-Picayune has more details:]( Tropical Storm Isaac's forecast path shifted slightly west, but remains draped across the New Orleans area in the National Hurricane Center's 4 a.m. forecast. But forecasters now say Isaac is likely to grow only to strong Category 1 strength, with top winds of 90 mph, when its center crosses the mouth of the Mississippi River at about 2 p.m. Wednesday. Tropical Storm Isaac pushed over Cuba on Saturday after going across Haiti's southern peninsula, where it caused flooding and [at least 19 deaths.](