Excessive Heat — Southeast St. Tammany Parish, Louisiana

2023-07-13 · Southeast St. Tammany Parish, Louisiana

Event narrative

Very hot and humid weather occurred over portions of southeast Louisiana mainly along and north of I-12 on July 13th. High temperatures were in the upper 90s to 100 degrees with heat indices were in the 113 to 115 degree range.

Wider weather episode

A ridge sat over the southwestern portion of the CONUS in the middle of July. This ridge caused extreme record-breaking temperatures across much of the south, including southeast Louisiana and southern Mississippi. The record-breaking temperatures paired with high humidity values caused the heat to be excessive across southeast Louisiana and southern Mississippi.

Source: NOAA Storm Events Database, event_id 1126928. Narrative written by the NWS forecast office that issued the report.