Winter Weather in Upper Lafourche, Louisiana

The parish emergency manager reported that sleet was beginning to fall in Thibodaux.

A bitterly cold airmass descended on southern Mississippi and southeast Louisiana during the night of the 26th and during the day on the 27th. A strong upper level jet disturbance moved across the area on the 28th, producing a large area of sleet and freezing rain. Temperatures remained at or below the freezing mark during much or all of the precipitation event on the 28th, even south of Lake Pontchartrain in the New Orleans metropolitan area. Travel was significantly impacted on bridges, overpasses and other elevated roadways. Portions of every Interstate in southeast Louisiana, plus the Lake Pontchartrain Causeway were closed at times on the 28th into the morning of the 29th.