8/2/2023 0 Comments Tornado warning dallas![]() Simultaneously, a low-pressure area and associated cold front were anticipated to shift eastward across an unstable environment, leading to the formation of severe thunderstorms. Plains, providing increasing wind shear throughout the region. In the upper levels of the atmosphere, an upper-level trough was expected to amplify as it progressed eastward into the U.S. In advance of the outbreak, the SPC monitored several weather features of interest. A small Slight risk was added across northeastern Texas, southeastern Oklahoma, and western Arkansas on October 19, but as confidence in a higher-end event increased, these same areas were raised to an Enhanced risk. In their day 3 outlook on October 18, the organization introduced a broad Marginal risk for much of the same areas. The first signs of organized severe weather across the South Central United States came on October 16, when the Storm Prediction Center (SPC) first delineated a risk area across portions of northern Texas, eastern Oklahoma, and adjacent portions of Kansas, Missouri, and Arkansas. A later squall line contributed to additional tornadoes and a widespread swath of damaging winds as the system tracked eastward. One of those tornadoes caused EF3 damage in the Dallas suburbs, becoming the costliest tornado event in Texas history, at $1.55 billion. On the evening of October 20, discrete supercell thunderstorms developed across the Dallas–Fort Worth metroplex, contributing to several tornadoes. Forecasters first identified the threat on October 16 as a large upper-level trough was expected to combine with an unstable atmosphere across Texas, Oklahoma, and Arkansas particularly. 1 Most severe tornado damage see Enhanced Fujita scaleĢ Time from first tornado to last tornadoĪ significant severe weather event impacted the South Central United States between October 20–22, 2019.
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