2021
DOI: 10.55599/ejssm.v3i3.16
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In Situ Observations of the 21 April 2007 Tulia, Texas Tornado

Abstract: A localized tornado outbreak occurred across the Texas Panhandle during the afternoon and evening hours of 21 April 2007. One supercell thunderstorm produced an EF2 tornado in the town of Tulia, TX. A mobile mesonet vehicle was struck by the tornado while fortuitously collecting in situ data near the center of the vortex. The instrumentation sufficiently resolved the wind and pressure characteristics, at approximately 2.9 m and 2.6 m respectively above ground level, of the tornado’s micro-α scale environment. … Show more

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Cited by 5 publications
(12 citation statements)
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“…The need for estimating tornado intensity from damage arises from the scarcity of direct measurements of tornadoes. In situ measurements of tornadoes are exceedingly uncommon, limited to a select number of targeted observations (e.g., Karstens et al 2010;Lee et al 2011;Wurman et al 2013) or through serendipitous encounters between tornadoes and surface meteorological instruments (e.g., Blair et al 2008;Blanchard 2013). However, the difficulty and inherent risks associated with the collection of in situ tornado measurements (e.g., Wurman et al 2014) have led to the use of mobile Doppler radar systems as a preferred method for collecting information about tornado structure.…”
Section: Introductionmentioning
confidence: 99%
“…The need for estimating tornado intensity from damage arises from the scarcity of direct measurements of tornadoes. In situ measurements of tornadoes are exceedingly uncommon, limited to a select number of targeted observations (e.g., Karstens et al 2010;Lee et al 2011;Wurman et al 2013) or through serendipitous encounters between tornadoes and surface meteorological instruments (e.g., Blair et al 2008;Blanchard 2013). However, the difficulty and inherent risks associated with the collection of in situ tornado measurements (e.g., Wurman et al 2014) have led to the use of mobile Doppler radar systems as a preferred method for collecting information about tornado structure.…”
Section: Introductionmentioning
confidence: 99%
“…Supercell tornadoes are the most damaging local severe weather phenomena capable of producing wind speeds greater than 100 m s −1 and atmospheric pressure deficits greater than 100 hPa (Blair et al, 2008;Karstens et al, 2010). The strongest, most damaging winds of a tornado typically occur within the core flow or radius of maximum winds (RMW) along the outer boundary of the tornado core of low atmospheric pressure (Karstens et al, 2010;Wurman et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Direct measurements of atmospheric conditions from inside tornadoes have been limited to ground-based instrumentation (Samaras and Lee, 2004;Blair et al, 2008;Karstens et al, 2010;Kosiba and Wurman, 2013;Wurman et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
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