NSSL Briefings

NSSL contributes to DFW tornado preparedness study

An example of digitally mapped tornado path information and actual damage contours laid over Dallas-Fort Worth urban and demographic data.

An example of digitally mapped tornado path information and actual damage contours laid over Dallas-Fort Worth urban and demographic data. Light green represents F1 damage; green, F2; yellow, F3; and dark orange, F4. Photo courtesy of Scott Rae, NCTCOG.

More information is at http://www. dfwinfo.com/weather/study.html.

NSSL played a vital role in a recent study by the North Central Texas Council of Governments (NCTCOG) and the NWS in Fort Worth to make a general assessment of Dallas-Fort Worth's susceptibility to a major tornado outbreak. The goal of the project was to help emergency personnel prepare for such a disaster by better defining the magnitude of the warning, rescue and recovery tasks. The study featured the use of digitally-mapped tornado path information and actual damage contours from the May 3, 1999 Oklahoma City tornado outbreak laid atop Dallas-Fort Worth urban and demographic data. Contributors to the project included NSSL Researcher Greg Stumpf and former NSSL scientist Amy Wyatt. Ironically, during the evening rush hour on March 28, 2000, a pair of F3 tornadoes hit downtown Fort Worth and Arlington, Texas. Following these tornadoes, Scott Rae, Senior Research Associate at the NCTCOG, expects the study results to be taken more seriously than before. "There were certainly a few people around that dismissed the study results early by thinking that tornadoes could never strike a place like downtown Fort Worth. The ironic strike on March 28 certainly erased many of those views. The scenarios were suddenly that much more viable....Urban areas are not immune to tornado strikes and urban buildings are certainly not invincible."


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