The areas affected include... Coastal Waters from Stake Island LA to Southwest Pass of the Mississippi River from 20 to 60 nm... Coastal waters from Southwest Pass of the Mississippi River to Port Fourchon Louisiana from 20 to 60 NM...
At 947 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 50 nm southeast of Southwest Pass Of the Mississippi River, moving southeast at 10 knots.
The strong thunderstorm will remain over mainly open waters.