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A tornadic debris signature (TDS), often colloquially referred to as a debris ball, [1] is an area of high reflectivity on weather radar caused by debris lofting into the air, usually associated with a tornado. [1] [2] A TDS may also be indicated by dual-polarization radar products, designated as a polarimetric tornado debris signature (PTDS).
A tornado debris signature was observed on three radars but no known damage could be found due to it being in inaccessible areas. [8] EF0 E of Lexington: Cleveland: OK [to be determined] 16:26 0.4 mi (0.64 km) 30 yd (27 m) An EF0 tornado has been confirmed by NWS Norman. Preliminary information. [5] EF0 S of Wynnewood: Murray: OK [to be ...
Strong mesocyclone on a thunderstorm near Tuscaloosa, Alabama, that was analyzed as fitting the characteristics of a TVS.It was associated with a tornado.. A tornadic vortex signature, abbreviated TVS, is a Pulse-Doppler radar weather radar detected rotation algorithm that indicates the likely presence of a strong mesocyclone that is in some stage of tornadogenesis. [1]
When the rain starts to fall, people immediately look to the weather radar to see how long it will last. But when severe weather strikes, meteorologists can use this technology to pinpoint the ...
A Weather Service radar detected a tornado debris signature in a storm moving east of Marianna and into Jackson County around 7:30 a.m. Tornado warning issue for Chipley. 8:42 a.m.: A tornado ...
A hook echo is a pendant or hook-shaped weather radar signature as part of some supercell thunderstorms. It is found in the lower portions of a storm as air and precipitation flow into a mesocyclone, resulting in a curved feature of reflectivity. The echo is produced by rain, hail, or debris being wrapped around the supercell. [1]
The average person and weather enthusiast can follow along on social media with reports in real-time as volatile weather unfolds -- and terms like "radar-confirmed tornado" are often thrown out by ...
This is referred to as a "tornado debris signature," meaning the radar is able to differentiate debris from rain, hail and other weather elements. This radar image shows Tallahassee, Florida, as ...
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