The Brief Tropical Storm Bertha is moving along the northern Gulf Coast, bringing 60 mph winds and storm warnings to Louisiana, Mississippi, Alabama, and Florida. Metropolitan New Orleans is now under a tropical storm warning as the storm tracks west with heavy rainfall and potential coastal flooding. Tropical Storm Bertha pushed westward along the northern Gulf Coast on Tuesday, prompting tropical storm warnings from Florida to Louisiana as coastal communities prepared for high winds, dangerous storm surge, and flash flooding. Officials upgraded Metropolitan New Orleans and Lake Pontchartrain to a tropical storm warning as the system tracks westward. Forecast models differ on whether the storm will redevelop off the Louisiana coast or steadily weaken while moving inland toward Texas.