landfallg alon louisiana coast this afternoon as category one hurricane and weakened to tropical storm. you can barely make out roads there but sowing you flooding over the causeway in mobile, alabama. now show you what rry's path looks like. metrologist is going to break it down. but nbc's jay gray and coverage in new orleans. >> reporter: barry, first hurricane of the season, didn't maintain that status for long. categor j 1 stormst a few hours before quickly dropping back to tropical storm as it made landfallt wesof new orleans. >> although bar has slowed, it's also intensified. >> reporter: there is a significant dangerous now across the strike zone. mandatory evacuations ordered this afternoon in tier bon parish. and rush to get cattle to higher ground. bracing for what could be 20 inches or more of rain. >> going to be long set of days forthe state. people of louisiana are strong and resilient, we're going to get through this but there are going to be significant challenges. >> reporter: challenge growing like the flooder watin low lying parishes. >> see the water pushing up unde