A squall line with embedded severe thunderstorms moved through the area ahead of a cold front. Strong onshore flow ahead of the front also led to coastal flooding.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 30-APR-17 16:40:00 to 30-APR-17 16:40:00 (CST-6)
Location: WEST DELTA 27A AWOS (KDLP)
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS station KDLP in West Delta Block 27A reported a wind gust of 41 knots.

Marine Thunderstorm Wind in LAKE PONCHARTRAIN AND LAKE MAUREPAS, GULF OF MEXICO
From 30-APR-17 10:36:00 to 30-APR-17 10:36:00 (CST-6)
Location: LKFRNT ARPT NEW
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

New Orleans Lakefront Airport ASOS reported a wind gust of 38 knots.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 30-APR-17 17:40:00 to 30-APR-17 17:40:00 (CST-6)
Location: WEST DELTA 27A AWOS (KDLP)
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS station KDLP in West Delta Block 27A reported a wind gust of 45 knots.

Marine Thunderstorm Wind in LAKE PONCHARTRAIN AND LAKE MAUREPAS, GULF OF MEXICO
From 30-APR-17 10:40:00 to 30-APR-17 10:40:00 (CST-6)
Location: NORTH LAKE PONTCHARTRAIN
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow site XMVL measured a wind gust of 40.8 mph.

Marine Thunderstorm Wind in COASTAL WATERS FROM BOOTHVILLE LOUISIANA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM, GULF OF MEXICO
From 30-APR-17 18:13:00 to 30-APR-17 18:13:00 (CST-6)
Location: PILOTS STATION (PSTL1)
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow East Bay Tower (XEBT) reported a wind gust of 39.8 mph.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 30-APR-17 17:20:00 to 30-APR-17 17:20:00 (CST-6)
Location: WEST DELTA 27A AWOS (KDLP)
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS station KDLP in West Delta Block 27A reported a wind gust of 38 knots.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 30-APR-17 19:58:00 to 30-APR-17 19:58:00 (CST-6)
Location: BURLWOOD C-MAN STATION (BURL1)
Magnitude: 48.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow East Bay Tower (XEBT) measured a wind gust of 55.3 mph.

Marine Thunderstorm Wind in COASTAL WATERS FROM BOOTHVILLE LOUISIANA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM, GULF OF MEXICO
From 30-APR-17 20:03:00 to 30-APR-17 20:03:00 (CST-6)
Location: PILOTS STATION (PSTL1)
Magnitude: 48.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Weatherflow East Bay Tower (XEBT) measured a wind gust of 55.1 mph.

Marine Thunderstorm Wind in MISSISSIPPI SOUND, GULF OF MEXICO
From 30-APR-17 21:06:00 to 30-APR-17 21:06:00 (CST-6)
Location: PETIS BOIS ISLAND STATION (PTBM6)
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: WLON

Petit Bois Island WLON site (PTBM6) reported a wind gust of 37 knots.

Marine Thunderstorm Wind in MISSISSIPPI SOUND, GULF OF MEXICO
From 30-APR-17 18:54:00 to 30-APR-17 19:12:00 (CST-6)
Location: DOCK C PASCAGOULA STATION (DKCM6)
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: WLON

Port of Pascagoula, Range A Rear WLON site (RARM6) reported several wind gusts greater than 34 knots. The maximum wind gust was 43 knots which also coincided with a sustained wind of 34 knots at 19:06 CST.

Marine Thunderstorm Wind in MISSISSIPPI SOUND, GULF OF MEXICO
From 30-APR-17 19:42:00 to 30-APR-17 19:42:00 (CST-6)
Location: PETIS BOIS ISLAND STATION (PTBM6)
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: WLON

Petit Bois Island WLON site (PTBM6) reported a wind gust of 36 knots.

Marine Thunderstorm Wind in MISSISSIPPI SOUND, GULF OF MEXICO
From 30-APR-17 17:42:00 to 30-APR-17 18:12:00 (CST-6)
Location: DOCK C PASCAGOULA STATION (DKCM6)
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: WLON

Port of Pascagoula Range A Rear WLON site (RARM6) reported several wind gusts greater than 34 knots. The highest gust was measured at 41kts at 18:06 CST.