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The Carr Fire Vortex: A Case of Pyrotornadogenesis?
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2018
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Source: Geophysical Research Letters, 45(23)
[PDF-1.37 MB]
Details:
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Journal Title:Geophysical Research Letters
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NOAA Program & Office:
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Description:Radar and satellite observations document the evolution of a destructive fire-generated vortex during the Carr fire on 26 July 2018 near Redding, California. The National Weather Service estimated that surface wind speeds in the vortex were in excess of 64 m/s, equivalent to an EF-3 tornado. Radar data show that the vortex formed within an antecedent region of cyclonic wind shear along the fire perimeter and immediately following rapid vertical development of the convective plume, which grew from 6 to 12 km aloft in just 15 min. The rapid plume development was linked to the release of moist instability in a pyrocumulonimbus (pyroCb). As the cloud grew, the vortex intensi fied and ascended, eventually reaching an
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Source:Geophysical Research Letters, 45(23)
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DOI:
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ISSN:0094-8276;1944-8007;
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Rights Information:Other
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