Isabel, LA Tornado - April 4, 2011

Estimated Maximum Wind:
105 mph
Damage Path Length:
400 yards
Maximum Path Width:
75 yards
Approximate Start Point/Time:
10 miles SW of Bogalusa, LA at 701 PM
Approximate End Point/Time:
10 miles SW of Bogalusa, LA at 702 PM


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

The tornado touched down southwest of Hansen Road and traveled to the northeast. A few trees were snapped and uprooted south of Hansen Road where the tornado was witnessed coming down and going back up a few times. After the tornado crossed Hansen Road a single wind mobile home was blown to the east about 5 feet. The mobile also experienced roof damage and lost a back porch. Numerous trees were snapped and six large trees were uprooted. The tornado damage path was 400 yards long and was 75 yards wide at its widest point. No injuries were reported.

Isabel, LA tornado track of April 4, 2011
Surveyed damage track in Isabel, LA  Download in KML  Disclaimer

KLIX reflectivity for Isabel, LA tornado of 4/4/2011
KLIX WSR-88D Reflectivity for Isabel, LA tornado at 0700 PM CDT 4/4/2011

KLIX Storm Relative Velocity product for Isabel, LA tornado - 04/04/11 700 PM CDT
KLIX WSR-88D Storm Relative Velocity at maximum intensity at 0700 PM CDT 4/4/2011



Shed destroyed and RV flipped

Trees snapped

Trees Snapped and Uprooted

Trees uprooted

Mobile home moved off foundation and damaged

Return to event page is the U.S. government's official web portal to all federal, state and local government web resources and services.