Skew-T Log-P Diagrams
An upper air sounding from the Slidell, Louisiana, NWS site, located about 85 SM west of the accident site, depicted a moist low-level environment with saturated conditions from 500 feet AGL to 6000 feet with a capping inversion. The freezing level was identified at 14,700 feet. The wind profile indicated calm surface wind with wind from the south-southeast veering to the southwest and west through 18,000 feet. A low-level wind maximum or low-level jet was identified near 5000 feet at 215 degrees at 25 knots, with winds less than 10 knots below 1000 feet AGL.