Since the elevation of the tornado’s ground circulation was approximately 3705m (~12 156 ft) MSL, this is the highest-elevation tornado documented in the United States. Most tornadoes have wind speeds less than 110 miles per hour (180 km/h), are about 250 feet (80 m) across, and travel a few miles (several kilometers) before dissipating. Nick is responsible for the documentation and. [78] Tornadoes are focused in the right front quadrant of landfalling tropical cyclones, which tend to occur in the late summer and autumn. I would also like to point out that it was considered with the Teton Wilderness Tornado in 1987 that, because of the decrease in pressure and density, “F4 winds may be needed to produce F3 damage in the air at this altitude.” Considering that “this altitude” was referencing up to 10,000 feet, this is entirely applicable here where the High Uintas Wilderness tornado exceeded such altitudes. ", "Frequently Asked Questions about Tornadoes", "A thermodynamically general theory for convective vortices", "A Comprehensive Glossary of Weather Terms for Storm Spotters", "Tornado Outbreak Day Sequences: Historic Events and Climatology (1875–2003)", "May 31–June 1, 2013 Tornado and Flash Flood Event: The May 31, 2013 El Reno, OK Tornado", "Tornado factory – giant simulator probes killer twisters", 10.1175/1520-0493(1930)58<205:STIOAT>2.0.CO;2, "Streamwise Vorticity: The Origin of Updraft Rotation in Supercell Storms", 10.1175/1520-0469(1984)041<2991:SVTOOU>2.0.CO;2, "On the Rotation and Propagation of Simulated Supercell Thunderstorms", 10.1175/1520-0469(1985)042<0271:OTRAPO>2.0.CO;2, "Simulation and Analysis of Tornado Development and Decay within a Three-Dimensional Supercell Thunderstorm", 10.1175/1520-0469(1995)052<2675:SAAOTD>2.0.CO;2, "Sunnyvale and Los Altos, CA Tornadoes 1998-05-04", "The "Musical" Sound Emitted by a Tornado, 10.1175/1520-0493(1966)094<0213:TMSEBA>2.3.CO;2, "Low-Frequency Atmospheric Acoustic Energy Associated with Vortices Produced by Thunderstorms", "A History of Severe-Storm-Intercept Field Programs", 10.1175/1520-0434(1999)014<0558:AHOSSI>2.0.CO;2, "Tornado Detection Based on Seismic Signal", 10.1175/1520-0450(1995)034<0572:TDBOSS>2.0.CO;2, "A Historical Perspective of In-Situ Observations within Tornado Cores", "Characteristics of Cloud-to-Ground Lightning Associated with Violent Tornadoes", 10.1175/1520-0434(1997)012<0428:COCTGL>2.0.CO;2, "Pressure Measurements at the ground in an F-4 tornado", "How Tornadoes Form and Why They're so Unpredictable", "Tornadogenesis Resulting from the Transport of Circulation by a Downdraft: Idealized Numerical Simulations", 10.1175/1520-0469(2003)060<0795:TRFTTO>2.0.CO;2, "European Severe Weather Database definitions", "Severe Weather Climatology for New Mexico", "Goshen County Tornado Given Official Rating of EF2", "On the Relationship of Tornado Path Length and Width to Intensity", 10.1175/1520-0434(2004)019<0310:OTROTP>2.0.CO;2, "Tornadoes in Canada: Everything you need to know", "UK tornado climatology and the development of simple prediction tools", "The April 2004 Tornado in North-Central Bangladesh: A Case for Introducing Tornado Forecasting and Warning Systems", "Bangladesh and East India Tornadoes Background Information", "Synoptical and mesoscale weather situations associated with tornadoes in Europe", "Structure and Dynamics of Supercell Thunderstorms", "Frequently Asked Questions: Are TC tornadoes weaker than midlatitude tornadoes? [17], As the mesocyclone lowers below the cloud base, it begins to take in cool, moist air from the downdraft region of the storm. [128], Research programs, including field projects such as the VORTEX projects (Verification of the Origins of Rotation in Tornadoes Experiment), deployment of TOTO (the TOtable Tornado Observatory), Doppler on Wheels (DOW), and dozens of other programs, hope to solve many questions that still plague meteorologists. These tornadoes are said to be "roping out", or becoming a "rope tornado". Although tornadoes are not rare in California (as discussed in Monteverdi et al. This is the "dissipating stage", often lasting no more than a few minutes, after which the tornado ends. Questions or comments about this summary? The most extensive tornado outbreak on record was the 2011 Super Outbreak, which spawned 360 confirmed tornadoes over the southeastern United States, 216 of them within a single 24-hour period. Other rich areas of research are tornadoes associated with mesovortices within linear thunderstorm structures and within tropical cyclones.

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