Lacombe, LA Tornado - March 9, 2011

Estimated Maximum Wind:
105 mph
Damage Path Length:
11 miles
Maximum Path Width:
300 yards
Approximate Start Point/Time:
3 miles N of Lacombe, LA at 450 AM
Approximate End Point/Time:
8 miles SW of Picayune, MS at 515 AM


A National Weather Service Damage Assessment Team has surveyed the storm damage in St. Tammany Parish near Lacombe, LA. It has been determined the damage was the result of a tornado. The tornado has been rated an EF-1 on the Enhanced Fujita Scale. Damage estimates were consistent with winds of 105 mph.

The tornado touched down just south of Interstate 12 and moved to the north-northeast and northeast to the Pearl River. The greatest damage occurred in the Fairhope neighborhood with numerous trees uprooted or snapped. Moderate damage to one residence occurred as one quarter of the roofing deck lifted off the house and windows blew out after a garage door was blown in. A couple of other houses had minor roof shingle damage. The tornado continued on an intermittent path to the northeast with mostly power pole and tree damage across Highway 434...Highway 36...and ending near Highway 41 just north of the Hickory Community. The tornado damage path was 11 miles long and was 300 yards wide at its widest point. No injuries or deaths were reported.

Lacombe, LA tornado track of Mar 9, 2011
Surveyed damage track near Lacombe, LA  Download in KML  Disclaimer

KLIX reflectivity for Lacombe, LA tornado of 3/9/2011
KLIX WSR-88D Reflectivity showing "hook echo" as it crossed I-12 near Bayou Lacombe - 0552 CST 03/09/2011

KLIX Storm Relative Velocity product for Lacombe, LA tornado - 03/09/11 0543 CST
KLIX WSR-88D Storm Relative Velocity showing "gate-to-gate signature" as it crossed I-12 near Bayou Lacombe - 0552 CST 03/09/2011



Trees snapped and uprooted

Entrance to Fairhope neighborhood

House with portion of roof removed and trees snapped in front yard

Damaged trees

Shingles removed from home

Damaged trees

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