A slow moving low pressure system in the upper levels of the atmosphere centered over southeast Texas aided in the development of strong to severe thunderstorms over southeast Louisiana and the adjacent coastal waters during the afternoon and evening of the 4th.

Marine Thunderstorm Wind in LAKE PONCHARTRAIN AND LAKE MAUREPAS, GULF OF MEXICO
From 04-JUN-16 20:51:00 to 04-JUN-16 20:51:00 (CST-6)
Location: LKFRNT ARPT NEW
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Lakefront Airport reported a 41 knot wind gust in a thunderstorm.

Marine Thunderstorm Wind in COASTAL WATERS FROM PORT FOURCHON LOUISIANA TO LOWER ATCHAFALAYA RIVER LOUISIANA OUT 20 NM, GULF OF MEXICO
From 04-JUN-16 19:15:00 to 04-JUN-16 19:15:00 (CST-6)
Location: ISLE DERNIERES STATION (ILDL1)
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Fourchon Heliport AWOS KXPY reported a 42 knot wind gust in a thunderstorm.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 04-JUN-16 19:42:00 to 04-JUN-16 19:42:00 (CST-6)
Location: GRAND ISLE STATION (GISL1)
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Station GISL1 reported a 36 knot wind gust in a thunderstorm.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 04-JUN-16 19:55:00 to 04-JUN-16 19:55:00 (CST-6)
Location: MISSISSIPPI CANYON OIL PLATFORM 311A (KMDJ)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Apache Rig KMDJ in Mississippi Canyon Block 311A measured a 50 knot wind gust in a thunderstorm.

Marine Thunderstorm Wind in COASTAL WATERS FROM BOOTHVILLE LOUISIANA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM, GULF OF MEXICO
From 04-JUN-16 14:06:00 to 04-JUN-16 14:06:00 (CST-6)
Location: PILOTS STATION (PSTL1)
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Station PILL1 measured a wind gust of 42 knots in a thunderstorm.

Marine Thunderstorm Wind in MISSISSIPPI SOUND, GULF OF MEXICO
From 04-JUN-16 16:18:00 to 04-JUN-16 16:18:00 (CST-6)
Location: PETIS BOIS ISLAND STATION (PTBM6)
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Station PTBM6 reported a 35 knot wind gust during a thunderstorm.

Marine Thunderstorm Wind in COASTAL WATERS FROM PORT FOURCHON LOUISIANA TO LOWER ATCHAFALAYA RIVER LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 04-JUN-16 18:15:00 to 04-JUN-16 18:15:00 (CST-6)
Location: SOUTH TIMBALIER 301B AWOS (KSTZ)
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Station KSQE in Ship Shoal Block 354 reported a wind gust of 36 knots in a thunderstorm.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 04-JUN-16 19:42:00 to 04-JUN-16 19:42:00 (CST-6)
Location: GRAND ISLE STATION (GISL1)
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Station GISL1 reported a 37 knot wind gust in a thunderstorm.