Path length: 12 miles
Width: 1000 yards
Four tornadoes are a part of the SPC Database on February 11, 1950. The strongest was given a rating of F3. It moved at least 12 miles near La Porte in Harris County, TX. The Climatological Data National Summary (CDNS) has limited information on this event. There is no damage summary. Information comes from Thomas Grazulis in Significant Tornadoes and newspaper reports.
The tornado moved to the NNE across the west side of La Porte. 25 homes were hit. Several had significant damage, and most were unroofed. A total of 200 buildings had some degree of damage.
There is a discrepancy in the injury count. SPC lists 12 injuries, the CDNS has 6 injuries, and Grazulis has 20 injuries. There was one fatality.
We gathered information for this event from the SPC & NCDC Databases, the February 1950 Climatological National Summary and Thomas Grazulis in Significant Tornadoes and found the following differences:
- SPC and NCDC have max width of 1000 yards. This is how we choose the event.
- The Climatological Summary also lists the width at 1000 yards.
- Grazulis has the width at 500 yards.
- The SPC and NCDC have the length at 12 miles.
- The Storm Data summary has no path length listed.
- Grazulis has the path length at 15 miles.
- The SPC and NCDC have 12 injuries reported.
- The summary has 6 injuries.
- Grazulis lists 20 injuries.
- SPC, NCDC and Summary have start time of 13:50.
- Grazulis has start time of 13:40.
February 1950 Climatological Data National Summary
Grazulis, Thomas P. (1993). Significant Tornadoes 1680-1991: A Chronology and Analysis of Events. St. Johnsbury, VT: The Tornado Project of Environmental Films. Page 953.
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