A slow moving cold front provided a focus for several waves of thunderstorms and heavy rain over a 3 day period. Several reports of tornadoes and flash flooding were received during the period.

Flash Flood in HANCOCK, MISSISSIPPI
From 21-MAR-12 19:15:00 to 21-MAR-12 20:45:00 (CST-6)
Location: DIAMONDHEAD ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Widespread street flooding reported in Diamondhead. Some severe street flooding occurred with an estimated two and a half feet depth at its deepest points.

Tornado in HARRISON, MISSISSIPPI
From 21-MAR-12 19:32:00 to 21-MAR-12 19:35:00 (CST-6)
Location: LIGANA
Tornado F-scale: EF0
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey concluded that an EF0 tornado with a path width 50 yards wide was on the ground for about one quarter mile. Winds were estimated at 70 mph. Damage was confined to a trailer at Vidalia and Walnut Roads.

Thunderstorm Wind in HARRISON, MISSISSIPPI
From 21-MAR-12 19:30:00 to 21-MAR-12 19:30:00 (CST-6)
Location: PASS CHRISTIAN
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power poles were downed northwest of Pass Christian.

Flash Flood in HARRISON, MISSISSIPPI
From 21-MAR-12 20:40:00 to 21-MAR-12 21:30:00 (CST-6)
Location: PASS CHRISTIAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Severe street flooding was reported along and near U.S. Highway 90.

Lightning in HARRISON, MISSISSIPPI
From 21-MAR-12 20:50:00 to 21-MAR-12 20:50:00 (CST-6)
Location: PASS CHRISTIAN
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous fires reported, including an apartment complex, at least one home, and several power poles.

Flash Flood in PEARL RIVER, MISSISSIPPI
From 21-MAR-12 20:50:00 to 21-MAR-12 21:30:00 (CST-6)
Location: PICAYUNE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Pearl River County Sheriffs Office reported high water near the intersection of Moeller and Apache Roads.

Thunderstorm Wind in PIKE, MISSISSIPPI
From 21-MAR-12 10:20:00 to 21-MAR-12 10:20:00 (CST-6)
Location: MAGNOLIA
Magnitude: 60.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Pike County Emergency Management reports straight line wind damage in Magnolia with power lines down, roof damage to several barns, and trees blown down.

Thunderstorm Wind in HANCOCK, MISSISSIPPI
From 21-MAR-12 14:10:00 to 21-MAR-12 14:10:00 (CST-6)
Location: KILN
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down along Callington Road.

Thunderstorm Wind in HANCOCK, MISSISSIPPI
From 21-MAR-12 14:10:00 to 21-MAR-12 14:10:00 (CST-6)
Location: PEARLINGTON
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were reported down in Pearlington.

Thunderstorm Wind in HARRISON, MISSISSIPPI
From 21-MAR-12 15:02:00 to 21-MAR-12 15:02:00 (CST-6)
Location: LIGANA
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Trees were reported down near Highway 53, Lizana School Road and Saucier Lizana Road.

Tornado in HARRISON, MISSISSIPPI
From 21-MAR-12 23:35:00 to 21-MAR-12 23:38:00 (CST-6)
Location: WOOL MARKET
Tornado F-scale: EF1
Property damage: 15.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS Storm survey confirmed a tornado touched down on John Lee Road and Roberts Road. Trees were twisted, a travel trailer was flipped, and several homes lost portions of their roofs. The path width was 100 yards, and was on the ground for nearly 1 mile. Estimated wind speed was 90 mph.

Thunderstorm Wind in HARRISON, MISSISSIPPI
From 22-MAR-12 04:05:00 to 22-MAR-12 04:05:00 (CST-6)
Location: BILOXI
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Damage reported at the Hampton Inn. Possible tornado.

Tornado in HARRISON, MISSISSIPPI
From 22-MAR-12 04:10:00 to 22-MAR-12 04:15:00 (CST-6)
Location: D IBERVILLE
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

NWS storm survey confirmed a tornado touched down along Highway 67 at Highway 15. Most of the damage was at the starting point with a large shed door blown in, causing roof damage and a patio roof lifted off. Most of the remainder of the damage was to shingles and fences, with an end point in Coventry Estates. The path width was 100 yards with a damage track around 4 miles long. Estimated wind speed was 85 mph.

Thunderstorm Wind in HARRISON, MISSISSIPPI
From 21-MAR-12 20:20:00 to 21-MAR-12 20:20:00 (CST-6)
Location: CUEVAS
Magnitude: 55.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were reported downed along Beatline Road.

Flash Flood in HARRISON, MISSISSIPPI
From 22-MAR-12 00:15:00 to 22-MAR-12 01:00:00 (CST-6)
Location: PASS CHRISTIAN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Major street flooding on Highway 90 near Pass Christian. Major street flooding also reported north-northwest of Long Beach along 28th Street from Beatline Road to Klondyke Road, and south of Lyman on Canal Road south of Robinson Road.